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class="vector-toc-link" href="#Features"> <div class="vector-toc-text"> 3 Features </div> </a> <button aria-controls="toc-Features-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> Toggle Features subsection </button> <ul id="toc-Features-sublist" class="vector-toc-list"> <li id="toc-Stars" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Stars"> <div class="vector-toc-text"> 3.1 Stars </div> </a> <ul id="toc-Stars-sublist" class="vector-toc-list"> <li id="toc-Head_stars" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Head_stars"> <div class="vector-toc-text"> 3.1.1 Head stars </div> </a> <ul id="toc-Head_stars-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tail_stars" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Tail_stars"> <div class="vector-toc-text"> 3.1.2 Tail stars </div> </a> <ul id="toc-Tail_stars-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Deep-sky_objects" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Deep-sky_objects"> <div class="vector-toc-text"> 3.2 Deep-sky objects </div> </a> <ul id="toc-Deep-sky_objects-sublist" class="vector-toc-list"> <li id="toc-Head_objects" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Head_objects"> <div class="vector-toc-text"> 3.2.1 Head objects </div> </a> <ul id="toc-Head_objects-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tail_objects" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Tail_objects"> <div class="vector-toc-text"> 3.2.2 Tail objects </div> </a> <ul id="toc-Tail_objects-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Meteor_showers" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Meteor_showers"> <div class="vector-toc-text"> 3.3 Meteor showers </div> </a> <ul id="toc-Meteor_showers-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> 4 References </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> 5 External links </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" > Toggle the table of contents </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading">Serpens</h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox 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Available in 78 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-78" aria-hidden="true" > 78 languages </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Slang_(sterrebeeld)" title="Slang (sterrebeeld) – Afrikaans" lang="af" hreflang="af" data-title="Slang (sterrebeeld)" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target">Afrikaans</a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%AD%D9%8A%D8%A9_(%D9%83%D9%88%D9%83%D8%A8%D8%A9)" title="الحية (كوكبة) – Arabic" lang="ar" hreflang="ar" data-title="الحية (كوكبة)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target">العربية</a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Serpens" title="Serpens – Asturian" lang="ast" hreflang="ast" data-title="Serpens" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target">Asturianu</a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/%C4%B0lan_(b%C3%BCrc)" title="İlan (bürc) – Azerbaijani" lang="az" hreflang="az" data-title="İlan (bürc)" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target">Azərbaycanca</a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/T%C5%8Da-ch%C3%B4a-ch%C5%8D" title="Tōa-chôa-chō – Minnan" lang="nan" hreflang="nan" data-title="Tōa-chôa-chō" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target">閩南語 / Bân-lâm-gú</a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%99%D1%8B%D0%BB%D0%B0%D0%BD_(%D0%B9%D0%BE%D0%BD%D0%B4%D0%BE%D2%99%D0%BB%D0%BE%D2%A1)" title="Йылан (йондоҙлоҡ) – Bashkir" lang="ba" hreflang="ba" data-title="Йылан (йондоҙлоҡ)" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target">Башҡортса</a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%97%D0%BC%D1%8F%D1%8F_(%D1%81%D1%83%D0%B7%D0%BE%D1%80%E2%80%99%D0%B5)" title="Змяя (сузор’е) – Belarusian" lang="be" hreflang="be" data-title="Змяя (сузор’е)" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target">Беларуская</a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%97%D1%8C%D0%BC%D1%8F%D1%8F_(%D1%81%D1%83%D0%B7%D0%BE%D1%80%E2%80%99%D0%B5)" title="Зьмяя (сузор’е) – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Зьмяя (сузор’е)" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target">Беларуская (тарашкевіца)</a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%97%D0%BC%D0%B8%D1%8F_(%D1%81%D1%8A%D0%B7%D0%B2%D0%B5%D0%B7%D0%B4%D0%B8%D0%B5)" title="Змия (съзвездие) – Bulgarian" lang="bg" hreflang="bg" data-title="Змия (съзвездие)" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target">Български</a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A6%E0%BE%A6%E0%BE%B2%E0%BD%B4%E0%BD%A3%E0%BC%8B%E0%BD%86%E0%BD%BA%E0%BD%93%E0%BC%8B%E0%BD%A6%E0%BE%90%E0%BD%A2%E0%BC%8B%E0%BD%9A%E0%BD%BC%E0%BD%98%E0%BC%8B" title="སྦྲུལ་ཆེན་སྐར་ཚོམ་ – Tibetan" lang="bo" hreflang="bo" data-title="སྦྲུལ་ཆེན་སྐར་ཚོམ་" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetan" class="interlanguage-link-target">བོད་ཡིག</a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Zmija_(sazvije%C5%BE%C4%91e)" title="Zmija (sazviježđe) – Bosnian" lang="bs" hreflang="bs" data-title="Zmija (sazviježđe)" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target">Bosanski</a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Naer_(steredeg)" title="Naer (steredeg) – Breton" lang="br" hreflang="br" data-title="Naer (steredeg)" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target">Brezhoneg</a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Constel%C2%B7laci%C3%B3_del_Serpent" title="Constel·lació del Serpent – Catalan" lang="ca" hreflang="ca" data-title="Constel·lació del Serpent" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target">Català</a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Souhv%C4%9Bzd%C3%AD_Hada" title="Souhvězdí Hada – Czech" lang="cs" hreflang="cs" data-title="Souhvězdí Hada" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target">Čeština</a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Serpens" title="Serpens – Corsican" lang="co" hreflang="co" data-title="Serpens" data-language-autonym="Corsu" data-language-local-name="Corsican" class="interlanguage-link-target">Corsu</a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Slangen" title="Slangen – Danish" lang="da" hreflang="da" data-title="Slangen" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target">Dansk</a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Schlange_(Sternbild)" title="Schlange (Sternbild) – German" lang="de" hreflang="de" data-title="Schlange (Sternbild)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target">Deutsch</a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Madu_(t%C3%A4htkuju)" title="Madu (tähtkuju) – Estonian" lang="et" hreflang="et" data-title="Madu (tähtkuju)" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target">Eesti</a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%8C%CF%86%CE%B9%CF%82_(%CE%B1%CF%83%CF%84%CE%B5%CF%81%CE%B9%CF%83%CE%BC%CF%8C%CF%82)" title="Όφις (αστερισμός) – Greek" lang="el" hreflang="el" data-title="Όφις (αστερισμός)" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target">Ελληνικά</a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Serpens" title="Serpens – Spanish" lang="es" hreflang="es" data-title="Serpens" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target">Español</a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Serpento_(konstelacio)" title="Serpento (konstelacio) – Esperanto" lang="eo" hreflang="eo" data-title="Serpento (konstelacio)" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target">Esperanto</a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Serpens_(konstelazioa)" title="Serpens (konstelazioa) – Basque" lang="eu" hreflang="eu" data-title="Serpens (konstelazioa)" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target">Euskara</a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1_(%D8%B5%D9%88%D8%B1%D8%AA_%D9%81%D9%84%DA%A9%DB%8C)" title="مار (صورت فلکی) – Persian" lang="fa" hreflang="fa" data-title="مار (صورت فلکی)" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target">فارسی</a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Serpent_(constellation)" title="Serpent (constellation) – French" lang="fr" hreflang="fr" data-title="Serpent (constellation)" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target">Français</a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/An_Ph%C3%A9ist" title="An Phéist – Irish" lang="ga" hreflang="ga" data-title="An Phéist" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target">Gaeilge</a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Serpens" title="Serpens – Galician" lang="gl" hreflang="gl" data-title="Serpens" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target">Galego</a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Ki-s%C3%A0-chho" title="Ki-sà-chho – Hakka Chinese" lang="hak" hreflang="hak" data-title="Ki-sà-chho" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target">客家語 / Hak-kâ-ngî</a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B1%80%EC%9E%90%EB%A6%AC" title="뱀자리 – Korean" lang="ko" hreflang="ko" data-title="뱀자리" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target">한국어</a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%95%D5%B1_(%D5%B0%D5%A1%D5%B4%D5%A1%D5%BD%D5%BF%D5%A5%D5%B2%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6)" title="Օձ (համաստեղություն) – Armenian" lang="hy" hreflang="hy" data-title="Օձ (համաստեղություն)" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target">Հայերեն</a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A4%B0%E0%A5%8D%E0%A4%AA_%E0%A4%A4%E0%A4%BE%E0%A4%B0%E0%A4%BE%E0%A4%AE%E0%A4%82%E0%A4%A1%E0%A4%B2" title="सर्प तारामंडल – Hindi" lang="hi" hreflang="hi" data-title="सर्प तारामंडल" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target">हिन्दी</a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Zmija_(zvije%C5%BE%C4%91e)" title="Zmija (zviježđe) – Croatian" lang="hr" hreflang="hr" data-title="Zmija (zviježđe)" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target">Hrvatski</a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Serpens" title="Serpens – Indonesian" lang="id" hreflang="id" data-title="Serpens" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target">Bahasa Indonesia</a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/H%C3%B6ggormurinn" title="Höggormurinn – Icelandic" lang="is" hreflang="is" data-title="Höggormurinn" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target">Íslenska</a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Serpente_(costellazione)" title="Serpente (costellazione) – Italian" lang="it" hreflang="it" data-title="Serpente (costellazione)" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target">Italiano</a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A0%D7%97%D7%A9_(%D7%A7%D7%91%D7%95%D7%A6%D7%AA_%D7%9B%D7%95%D7%9B%D7%91%D7%99%D7%9D)" title="נחש (קבוצת כוכבים) – Hebrew" lang="he" hreflang="he" data-title="נחש (קבוצת כוכבים)" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target">עברית</a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Serpens" title="Serpens – Javanese" lang="jv" hreflang="jv" data-title="Serpens" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target">Jawa</a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%92%E1%83%95%E1%83%94%E1%83%9A%E1%83%98%E1%83%A1_%E1%83%97%E1%83%90%E1%83%9C%E1%83%90%E1%83%95%E1%83%90%E1%83%A0%E1%83%A1%E1%83%99%E1%83%95%E1%83%9A%E1%83%90%E1%83%95%E1%83%94%E1%83%93%E1%83%98" title="გველის თანავარსკვლავედი – Georgian" lang="ka" hreflang="ka" data-title="გველის თანავარსკვლავედი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target">ქართული</a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Serpens_(ranneves)" title="Serpens (ranneves) – Cornish" lang="kw" hreflang="kw" data-title="Serpens (ranneves)" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target">Kernowek</a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Hayya_(kundinyota)" title="Hayya (kundinyota) – Swahili" lang="sw" hreflang="sw" data-title="Hayya (kundinyota)" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target">Kiswahili</a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Serpens_(constellatio)" title="Serpens (constellatio) – Latin" lang="la" hreflang="la" data-title="Serpens (constellatio)" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target">Latina</a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/%C4%8C%C5%ABska_(zvaigzn%C4%81js)" title="Čūska (zvaigznājs) – Latvian" lang="lv" hreflang="lv" data-title="Čūska (zvaigznājs)" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target">Latviešu</a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Serpens_(St%C3%A4rebild)" title="Serpens (Stärebild) – Luxembourgish" lang="lb" hreflang="lb" data-title="Serpens (Stärebild)" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target">Lëtzebuergesch</a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Gyvat%C4%97_(%C5%BEvaig%C5%BEdynas)" title="Gyvatė (žvaigždynas) – Lithuanian" lang="lt" hreflang="lt" data-title="Gyvatė (žvaigždynas)" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target">Lietuvių</a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/K%C3%ADgy%C3%B3_csillagk%C3%A9p" title="Kígyó csillagkép – Hungarian" lang="hu" hreflang="hu" data-title="Kígyó csillagkép" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target">Magyar</a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%97%D0%BC%D0%B8%D1%98%D0%B0_(%D1%81%D0%BE%D1%95%D0%B2%D0%B5%D0%B7%D0%B4%D0%B8%D0%B5)" title="Змија (соѕвездие) – Macedonian" lang="mk" hreflang="mk" data-title="Змија (соѕвездие)" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target">Македонски</a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B5%BC%E0%B4%AA%E0%B5%8D%E0%B4%AA%E0%B4%AE%E0%B4%A3%E0%B5%8D%E0%B4%A1%E0%B4%B2%E0%B4%82" title="സർപ്പമണ്ഡലം – Malayalam" lang="ml" hreflang="ml" data-title="സർപ്പമണ്ഡലം" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target">മലയാളം</a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B3%D9%8A%D8%B1%D9%BE%D9%8A%D9%86%D8%B3" title="سيرپينس – Egyptian Arabic" lang="arz" hreflang="arz" data-title="سيرپينس" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target">مصرى</a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Ular_(buruj)" title="Ular (buruj) – Malay" lang="ms" hreflang="ms" data-title="Ular (buruj)" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target">Bahasa Melayu</a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/G%C3%A9%CC%A4%E1%B9%B3-si%C3%A8-c%C3%B4%CC%A4" title="Gé̤ṳ-siè-cô̤ – Mindong" lang="cdo" hreflang="cdo" data-title="Gé̤ṳ-siè-cô̤" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target">閩東語 / 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lang="nl" hreflang="nl" data-title="Slang (sterrenbeeld)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target">Nederlands</a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%81%B8%E3%81%B3%E5%BA%A7" title="へび座 – Japanese" lang="ja" hreflang="ja" data-title="へび座" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target">日本語</a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Slaang_(st%C3%A4%C3%A4rbil)" title="Slaang (stäärbil) – Northern Frisian" lang="frr" hreflang="frr" data-title="Slaang (stäärbil)" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target">Nordfriisk</a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Slangen" title="Slangen – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Slangen" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target">Norsk bokmål</a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Slangen" title="Slangen – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Slangen" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target">Norsk nynorsk</a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Ilon_(yulduz_turkumi)" title="Ilon (yulduz turkumi) – Uzbek" lang="uz" hreflang="uz" data-title="Ilon (yulduz turkumi)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target">Oʻzbekcha / ўзбекча</a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Gwiazdozbi%C3%B3r_W%C4%99%C5%BCa" title="Gwiazdozbiór Węża – Polish" lang="pl" hreflang="pl" data-title="Gwiazdozbiór Węża" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target">Polski</a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Serpens" title="Serpens – Portuguese" lang="pt" hreflang="pt" data-title="Serpens" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target">Português</a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/%C8%98arpele_(constela%C8%9Bie)" title="Șarpele (constelație) – Romanian" lang="ro" hreflang="ro" data-title="Șarpele (constelație)" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target">Română</a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%97%D0%BC%D0%B5%D1%8F_(%D1%81%D0%BE%D0%B7%D0%B2%D0%B5%D0%B7%D0%B4%D0%B8%D0%B5)" title="Змея (созвездие) – Russian" lang="ru" hreflang="ru" data-title="Змея (созвездие)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target">Русский</a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D2%AE%D3%A9%D0%BD_(%D1%81%D1%83%D0%BB%D1%83%D1%81%D1%82%D0%B0%D1%80_%D0%B1%D3%A9%D0%BB%D3%A9%D1%85%D1%82%D3%A9%D1%80%D3%A9)" title="Үөн (сулустар бөлөхтөрө) – Yakut" lang="sah" hreflang="sah" data-title="Үөн (сулустар бөлөхтөрө)" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target">Саха тыла</a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Serpens" title="Serpens – Simple English" lang="en-simple" hreflang="en-simple" data-title="Serpens" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target">Simple English</a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Had_(s%C3%BAhvezdie)" title="Had (súhvezdie) – Slovak" lang="sk" hreflang="sk" data-title="Had (súhvezdie)" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target">Slovenčina</a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%97%D0%BC%D0%B8%D1%98%D0%B0_(%D1%81%D0%B0%D0%B7%D0%B2%D0%B5%D0%B6%D1%92%D0%B5)" title="Змија (сазвежђе) – Serbian" lang="sr" hreflang="sr" data-title="Змија (сазвежђе)" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target">Српски / srpski</a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Zmija_(zvije%C5%BE%C4%91e)" title="Zmija (zviježđe) – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Zmija (zviježđe)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target">Srpskohrvatski / српскохрватски</a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/K%C3%A4%C3%A4rme_(t%C3%A4hdist%C3%B6)" title="Käärme (tähdistö) – Finnish" lang="fi" hreflang="fi" data-title="Käärme (tähdistö)" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target">Suomi</a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Ormen_(stj%C3%A4rnbild)" title="Ormen (stjärnbild) – Swedish" lang="sv" hreflang="sv" data-title="Ormen (stjärnbild)" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target">Svenska</a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%A5%E0%B8%B8%E0%B9%88%E0%B8%A1%E0%B8%94%E0%B8%B2%E0%B8%A7%E0%B8%87%E0%B8%B9" title="กลุ่มดาวงู – Thai" lang="th" hreflang="th" data-title="กลุ่มดาวงู" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target">ไทย</a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Serpens_(tak%C4%B1my%C4%B1ld%C4%B1z)" title="Serpens (takımyıldız) – Turkish" lang="tr" hreflang="tr" data-title="Serpens (takımyıldız)" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target">Türkçe</a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%97%D0%BC%D1%96%D1%8F_(%D1%81%D1%83%D0%B7%D1%96%D1%80%27%D1%8F)" title="Змія (сузір'я) – Ukrainian" lang="uk" hreflang="uk" data-title="Змія (сузір'я)" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target">Українська</a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D9%85%D8%A7%D8%B1_(%D9%85%D8%AC%D9%85%D8%B9_%D8%A7%D9%84%D9%86%D8%AC%D9%88%D9%85)" title="مار (مجمع النجوم) – Urdu" lang="ur" hreflang="ur" data-title="مار (مجمع النجوم)" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target">اردو</a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/C%E1%BB%B1_X%C3%A0" title="Cự Xà – Vietnamese" lang="vi" hreflang="vi" data-title="Cự Xà" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target">Tiếng Việt</a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Serpens" title="Serpens – Waray" lang="war" hreflang="war" data-title="Serpens" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target">Winaray</a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%B7%A8%E8%9B%87%E5%BA%A7" title="巨蛇座 – Wu" lang="wuu" hreflang="wuu" data-title="巨蛇座" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target">吴语</a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%B7%A8%E8%9B%87%E5%BA%A7" title="巨蛇座 – Cantonese" lang="yue" hreflang="yue" data-title="巨蛇座" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target">粵語</a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Serpens" title="Serpens – Zazaki" lang="diq" hreflang="diq" data-title="Serpens" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target">Zazaki</a></li><li class="interlanguage-link interwiki-zh badge-Q17437798 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Click here for more information."><img alt="Featured article" src="//upload.wikimedia.org/wikipedia/en/thumb/e/e7/Cscr-featured.svg/20px-Cscr-featured.svg.png" decoding="async" width="20" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/e/e7/Cscr-featured.svg/30px-Cscr-featured.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/e/e7/Cscr-featured.svg/40px-Cscr-featured.svg.png 2x" data-file-width="466" data-file-height="443" /></a></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Constellation split into two non-contiguous parts</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the Chinese astronomy constellation, see <a href="/wiki/Serpens_(Chinese_astronomy)" class="mw-redirect" title="Serpens (Chinese astronomy)">Serpens (Chinese astronomy)</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox plainlist"><caption class="infobox-title">Serpens</caption><tbody><tr><td colspan="2" class="infobox-subheader" style="font-size: 110%;">Constellation</td></tr><tr><td colspan="2" class="infobox-image"><a href="/wiki/File:Serpens_Caput_IAU.svg" class="mw-file-description" title="Serpens Caput"><img alt="Serpens Caput" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Serpens_Caput_IAU.svg/290px-Serpens_Caput_IAU.svg.png" decoding="async" width="290" height="378" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Serpens_Caput_IAU.svg/435px-Serpens_Caput_IAU.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Serpens_Caput_IAU.svg/580px-Serpens_Caput_IAU.svg.png 2x" data-file-width="611" data-file-height="797" /></a><a href="/wiki/File:Serpens_Cauda_IAU.svg" class="mw-file-description" title="Serpens Cauda"><img alt="Serpens Cauda" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Serpens_Cauda_IAU.svg/290px-Serpens_Cauda_IAU.svg.png" decoding="async" width="290" height="377" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Serpens_Cauda_IAU.svg/435px-Serpens_Cauda_IAU.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Serpens_Cauda_IAU.svg/580px-Serpens_Cauda_IAU.svg.png 2x" data-file-width="610" data-file-height="793" /></a><div class="infobox-caption"><a href="/wiki/List_of_stars_in_Serpens" title="List of stars in Serpens">List of stars in Serpens</a></div></td></tr><tr><th scope="row" class="infobox-label">Abbreviation</th><td class="infobox-data">Ser</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Genitive_case" title="Genitive case">Genitive</a></th><td class="infobox-data">Serpentis</td></tr><tr><th scope="row" class="infobox-label">Pronunciation</th><td class="infobox-data"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/ˈsɜːrpɪnz/</a>, genitive <a href="/wiki/Help:IPA/English" title="Help:IPA/English">/sərˈpɛntɪs/</a></td></tr><tr><th scope="row" class="infobox-label">Symbolism</th><td class="infobox-data">the <a href="/wiki/Snake" title="Snake">Snake</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Right_ascension" title="Right ascension">Right ascension</a></th><td class="infobox-data">Serpens Caput: 15h 10.4m to 16h 22.5m Serpens Cauda: 17h 16.9m to 18h 58.3m </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Declination" title="Declination">Declination</a></th><td class="infobox-data">Serpens Caput: 25.66° to −03.72° Serpens Cauda: 06.42° to −16.14°</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/88_modern_constellations_by_area" class="mw-redirect" title="88 modern constellations by area">Area</a></th><td class="infobox-data">Serpens Caput: 428 sq. deg. Serpens Cauda: 208 sq. deg. Total: 637 sq. deg. (<a href="/wiki/88_modern_constellations_by_area" class="mw-redirect" title="88 modern constellations by area">23rd</a>)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Asterism_(astronomy)" title="Asterism (astronomy)">Main stars</a></th><td class="infobox-data">11</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Bayer_designation" title="Bayer designation">Bayer</a>/<a href="/wiki/Flamsteed_designation" title="Flamsteed designation">Flamsteed</a> stars</th><td class="infobox-data">57</td></tr><tr><th scope="row" class="infobox-label">Stars with <a href="/wiki/Exoplanet" title="Exoplanet">planets</a></th><td class="infobox-data">15</td></tr><tr><th scope="row" class="infobox-label">Stars brighter than 3.00m</th><td class="infobox-data">1</td></tr><tr><th scope="row" class="infobox-label">Stars within 10.00 pc (32.62 ly)</th><td class="infobox-data">2</td></tr><tr><th scope="row" class="infobox-label">Brightest star</th><td class="infobox-data"><a href="/wiki/Alpha_Serpentis" title="Alpha Serpentis">α Ser</a> (Unukalhai) (2.63<a href="/wiki/Apparent_magnitude" title="Apparent magnitude">m</a>)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Messier_object" title="Messier object">Messier objects</a></th><td class="infobox-data">2</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Meteor_shower" title="Meteor shower">Meteor showers</a></th><td class="infobox-data">0</td></tr><tr><th scope="row" class="infobox-label">Bordering constellations</th><td class="infobox-data">Serpens Caput: <a href="/wiki/Corona_Borealis" title="Corona Borealis">Corona Borealis</a> <a href="/wiki/Bo%C3%B6tes" title="Boötes">Boötes</a> <a href="/wiki/Virgo_(constellation)" title="Virgo (constellation)">Virgo</a> <a href="/wiki/Libra_(constellation)" title="Libra (constellation)">Libra</a> <a href="/wiki/Ophiuchus" title="Ophiuchus">Ophiuchus</a> <a href="/wiki/Hercules_(constellation)" title="Hercules (constellation)">Hercules</a> Serpens Cauda: <a href="/wiki/Aquila_(constellation)" title="Aquila (constellation)">Aquila</a> <a href="/wiki/Ophiuchus" title="Ophiuchus">Ophiuchus</a> <a href="/wiki/Sagittarius_(constellation)" title="Sagittarius (constellation)">Sagittarius</a> <a href="/wiki/Scutum_(constellation)" title="Scutum (constellation)">Scutum</a></td></tr><tr><td colspan="2" class="infobox-below" style="font-size: smaller;">Visible at latitudes between +<a href="/wiki/80th_parallel_north" title="80th parallel north">80</a>° and −<a href="/wiki/80th_parallel_south" title="80th parallel south">80</a>°. Best visible at 21:00 (9 p.m.) during the month of July.</td></tr></tbody></table> Serpens (<a href="/wiki/Ancient_Greek_language" class="mw-redirect" title="Ancient Greek language">Ancient Greek</a>: <a href="https://en.wiktionary.org/wiki/%E1%BD%8C%CF%86%CE%B9%CF%82#Ancient_Greek" class="extiw" title="wikt:Ὄφις">Ὄφις</a>, <a href="/wiki/Romanization_of_Ancient_Greek" class="mw-redirect" title="Romanization of Ancient Greek">romanized</a>: Óphis, <a href="/wiki/Literal_translation" title="Literal translation">lit.</a> 'the Serpent') is a <a href="/wiki/Constellation" title="Constellation">constellation</a> in the <a href="/wiki/Northern_celestial_hemisphere" title="Northern celestial hemisphere">northern celestial hemisphere</a>. One of the 48 constellations listed by the 2nd-century astronomer <a href="/wiki/Ptolemy" title="Ptolemy">Ptolemy</a>, it remains one of the <a href="/wiki/IAU_designated_constellations" title="IAU designated constellations">88 modern constellations</a> designated by the <a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">International Astronomical Union</a>. It is unique among the modern constellations in being split into two non-contiguous parts, Serpens Caput (Serpent Head) to the west and Serpens Cauda (Serpent Tail) to the east. Between these two halves lies the constellation of Ophiuchus, the "Serpent-Bearer". In figurative representations, the body of the serpent is represented as passing behind Ophiuchus between <a href="/wiki/Mu_Serpentis" title="Mu Serpentis">Mu Serpentis</a> in Serpens Caput and <a href="/wiki/Nu_Serpentis" title="Nu Serpentis">Nu Serpentis</a> in Serpens Cauda. The brightest <a href="/wiki/List_of_stars_in_Serpens" title="List of stars in Serpens">star in Serpens</a> is the <a href="/wiki/Red_giant" title="Red giant">red giant</a> star <a href="/wiki/Alpha_Serpentis" title="Alpha Serpentis">Alpha Serpentis</a>, or Unukalhai, in Serpens Caput, with an <a href="/wiki/Apparent_magnitude" title="Apparent magnitude">apparent magnitude</a> of 2.63. Also located in Serpens Caput are the naked-eye <a href="/wiki/Globular_cluster" title="Globular cluster">globular cluster</a> <a href="/wiki/Messier_5" title="Messier 5">Messier 5</a> and the naked-eye <a href="/wiki/Variable_star" title="Variable star">variables</a> <a href="/wiki/R_Serpentis" title="R Serpentis">R Serpentis</a> and <a href="/wiki/Tau4_Serpentis" title="Tau4 Serpentis">Tau4 Serpentis</a>. Notable extragalactic objects include <a href="/wiki/Seyfert%27s_Sextet" title="Seyfert's Sextet">Seyfert's Sextet</a>, one of the densest galaxy clusters known; <a href="/wiki/Arp_220" title="Arp 220">Arp 220</a>, the prototypical <a href="/wiki/Ultraluminous_infrared_galaxy" class="mw-redirect" title="Ultraluminous infrared galaxy">ultraluminous infrared galaxy</a>; and <a href="/wiki/Hoag%27s_Object" title="Hoag's Object">Hoag's Object</a>, the most famous of the very rare class of galaxies known as <a href="/wiki/Ring_galaxy" title="Ring galaxy">ring galaxies</a>. Part of the Milky Way's <a href="/wiki/Galactic_plane" title="Galactic plane">galactic plane</a> passes through Serpens Cauda, which is therefore rich in galactic <a href="/wiki/Deep-sky_object" title="Deep-sky object">deep-sky objects</a>, such as the <a href="/wiki/Eagle_Nebula" title="Eagle Nebula">Eagle Nebula</a> (IC 4703) and its associated star cluster <a href="/wiki/Messier_16" class="mw-redirect" title="Messier 16">Messier 16</a>. The <a href="/wiki/Nebula" title="Nebula">nebula</a> measures 70 light-years by 50 light-years and contains the <a href="/wiki/Pillars_of_Creation" title="Pillars of Creation">Pillars of Creation</a>, three dust clouds that became famous for the image taken by the <a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a>. Other striking objects include the <a href="/wiki/Red_Square_Nebula" title="Red Square Nebula">Red Square Nebula</a>, one of the few objects in astronomy to take on a square shape; and <a href="/wiki/Westerhout_40" title="Westerhout 40">Westerhout 40</a>, a massive nearby <a href="/wiki/Star_formation" title="Star formation">star-forming region</a> consisting of a <a href="/wiki/Molecular_cloud" title="Molecular cloud">molecular cloud</a> and an <a href="/wiki/H_II_region" title="H II region">H II region</a>. <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2>[<a href="/w/index.php?title=Serpens&action=edit&section=1" title="Edit section: History">edit</a>]</div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Sidney_Hall_-_Urania%27s_Mirror_-_Taurus_Poniatowski,_Serpentarius,_Scutum_Sobiesky,_and_Serpens.jpg" class="mw-file-description"><img alt="Serpens shown as a snake being held by Ophiuchus in Urania's Mirror." src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Sidney_Hall_-_Urania%27s_Mirror_-_Taurus_Poniatowski%2C_Serpentarius%2C_Scutum_Sobiesky%2C_and_Serpens.jpg/220px-Sidney_Hall_-_Urania%27s_Mirror_-_Taurus_Poniatowski%2C_Serpentarius%2C_Scutum_Sobiesky%2C_and_Serpens.jpg" decoding="async" width="220" height="155" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Sidney_Hall_-_Urania%27s_Mirror_-_Taurus_Poniatowski%2C_Serpentarius%2C_Scutum_Sobiesky%2C_and_Serpens.jpg/330px-Sidney_Hall_-_Urania%27s_Mirror_-_Taurus_Poniatowski%2C_Serpentarius%2C_Scutum_Sobiesky%2C_and_Serpens.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/Sidney_Hall_-_Urania%27s_Mirror_-_Taurus_Poniatowski%2C_Serpentarius%2C_Scutum_Sobiesky%2C_and_Serpens.jpg/440px-Sidney_Hall_-_Urania%27s_Mirror_-_Taurus_Poniatowski%2C_Serpentarius%2C_Scutum_Sobiesky%2C_and_Serpens.jpg 2x" data-file-width="3592" data-file-height="2527" /></a><figcaption>Serpens held by Ophiuchus, as depicted in <a href="/wiki/Urania%27s_Mirror" title="Urania's Mirror">Urania's Mirror</a>, a set of constellation cards published in <a href="/wiki/London" title="London">London</a> c. 1825. Above the tail of the serpent is the now-obsolete constellation <a href="/wiki/Taurus_Poniatovii" title="Taurus Poniatovii">Taurus Poniatovii</a> while below it is <a href="/wiki/Scutum_(constellation)" title="Scutum (constellation)">Scutum</a></figcaption></figure> In <a href="/wiki/Greek_mythology" title="Greek mythology">Greek mythology</a>, Serpens represents a <a href="/wiki/Snake" title="Snake">snake</a> held by the healer <a href="/wiki/Asclepius" title="Asclepius">Asclepius</a>. Represented in the sky by the constellation Ophiuchus, Asclepius once killed a snake, but the animal was subsequently resurrected after a second snake placed a revival herb on it before its death. As snakes shed their skin every year, they were known as the symbol of rebirth in ancient Greek society, and legend says Asclepius would revive dead humans using the same technique he witnessed. Although this is likely the logic for Serpens' presence with Ophiuchus, the true reason is still not fully known. Sometimes, Serpens was depicted as coiling around Ophiuchus, but the majority of atlases showed Serpens passing either behind Ophiuchus' body or between his legs.<a href="#cite_note-Ridpath-1">[1]</a> In some ancient atlases, the constellations Serpens and Ophiuchus were depicted as two separate constellations, although more often they were shown as a single constellation. One notable figure to depict Serpens separately was <a href="/wiki/Johann_Bayer" title="Johann Bayer">Johann Bayer</a>; thus, Serpens' stars are cataloged with separate <a href="/wiki/Bayer_designation" title="Bayer designation">Bayer designations</a> from those of Ophiuchus. When <a href="/wiki/Eug%C3%A8ne_Delporte" class="mw-redirect" title="Eugène Delporte">Eugène Delporte</a> established modern constellation boundaries in the 1920s, he elected to depict the two separately. However, this posed the problem of how to disentangle the two constellations, with Deporte deciding to split Serpens into two areas—the head and the tail—separated by the continuous Ophiuchus. These two areas became known as Serpens Caput and Serpens Cauda,<a href="#cite_note-Ridpath-1">[1]</a> caput being the Latin word for head and cauda the Latin word for tail.<a href="#cite_note-2">[2]</a> In <a href="/wiki/Chinese_astronomy" title="Chinese astronomy">Chinese astronomy</a>, most of the stars of Serpens represented part of a wall surrounding a marketplace, known as <a href="/wiki/Tianshi" class="mw-redirect" title="Tianshi">Tianshi</a>, which was in Ophiuchus and part of <a href="/wiki/Hercules" title="Hercules">Hercules</a>. Serpens also contains a few <a href="/wiki/Chinese_constellations" title="Chinese constellations">Chinese constellations</a>. Two stars in the tail represented part of <a href="/wiki/Shilou" class="mw-redirect" title="Shilou">Shilou</a>, the tower with the market office. Another star in the tail represented <a href="/w/index.php?title=Liesi&action=edit&redlink=1" class="new" title="Liesi (page does not exist)">Liesi</a>, jewel shops. One star in the head (<a href="/wiki/Mu_Serpentis" title="Mu Serpentis">Mu Serpentis</a>) marked <a href="/w/index.php?title=Tianru&action=edit&redlink=1" class="new" title="Tianru (page does not exist)">Tianru</a>, the <a href="/wiki/Crown_prince" title="Crown prince">crown prince</a>'s wet nurse, or sometimes <a href="/wiki/Rain" title="Rain">rain</a>.<a href="#cite_note-Ridpath-1">[1]</a> There were two "serpent" constellations in <a href="/wiki/Babylonian_astronomy" title="Babylonian astronomy">Babylonian astronomy</a>, known as Mušḫuššu and Bašmu. It appears that Mušḫuššu was depicted as a hybrid of a dragon, a lion and a bird, and loosely corresponded to <a href="/wiki/Hydra_(constellation)" title="Hydra (constellation)">Hydra</a>. Bašmu was a <a href="/wiki/Horned_serpent" class="mw-redirect" title="Horned serpent">horned serpent</a> (c.f. <a href="/wiki/Ningishzida" title="Ningishzida">Ningishzida</a>) and roughly corresponds to the Ὄφις constellation of <a href="/wiki/Eudoxus_of_Cnidus" title="Eudoxus of Cnidus">Eudoxus of Cnidus</a> on which the Ὄφις (Serpens) of Ptolemy is based.<a href="#cite_note-3">[3]</a> <div class="mw-heading mw-heading2"><h2 id="Characteristics">Characteristics</h2>[<a href="/w/index.php?title=Serpens&action=edit&section=2" title="Edit section: Characteristics">edit</a>]</div> Serpens is the only one of the <a href="/wiki/88_modern_constellations" class="mw-redirect" title="88 modern constellations">88 modern constellations</a> to be split into two disconnected regions in the sky: Serpens Caput (the head) and Serpens Cauda (the tail). The constellation is also unusual in that it depends on another constellation for context; specifically, it is being held by the Serpent Bearer Ophiuchus.<a href="#cite_note-Ridpath-1">[1]</a> Serpens Caput is bordered by <a href="/wiki/Libra_(constellation)" title="Libra (constellation)">Libra</a> to the south, <a href="/wiki/Virgo_(constellation)" title="Virgo (constellation)">Virgo</a> and <a href="/wiki/Bo%C3%B6tes" title="Boötes">Boötes</a> to the west, <a href="/wiki/Corona_Borealis" title="Corona Borealis">Corona Borealis</a> to the north, and Ophiuchus and <a href="/wiki/Hercules_(constellation)" title="Hercules (constellation)">Hercules</a> to the east; Serpens Cauda is bordered by <a href="/wiki/Sagittarius_(constellation)" title="Sagittarius (constellation)">Sagittarius</a> to the south, Scutum and <a href="/wiki/Aquila_(constellation)" title="Aquila (constellation)">Aquila</a> to the east, and Ophiuchus to the north and west. Covering 636.9 <a href="/wiki/Square_degree" title="Square degree">square degrees</a> total, it ranks 23rd of the 88 constellations in size. It appears prominently in both the northern and southern skies during the Northern Hemisphere's summer.<a href="#cite_note-tirionconst-4">[4]</a> Its main <a href="/wiki/Asterism_(astronomy)" title="Asterism (astronomy)">asterism</a> consists of 11 stars, and 108 stars in total are brighter than magnitude 6.5, the traditional limit for naked-eye visibility.<a href="#cite_note-tirionconst-4">[4]</a> Serpens Caput's boundaries, as set by Belgian astronomer <a href="/wiki/Eug%C3%A8ne_Joseph_Delporte" title="Eugène Joseph Delporte">Eugène Delporte</a> in 1930, are defined by a 10-sided polygon, while Serpens Cauda's are defined by a 22-sided polygon. In the <a href="/wiki/Equatorial_coordinate_system" title="Equatorial coordinate system">equatorial coordinate system</a>, the <a href="/wiki/Right_ascension" title="Right ascension">right ascension</a> coordinates of Serpens Caput's borders lie between 15h 10.4m and 16h 22.5m , while the <a href="/wiki/Declination" title="Declination">declination</a> coordinates are between 25.66° and −03.72°. Serpens Cauda's boundaries lie between right ascensions of 17h 16.9m and 18h 58.3m and declinations of 06.42° and −16.14°.<a href="#cite_note-boundary-5">[5]</a> The <a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">International Astronomical Union</a> (IAU) adopted the three-letter abbreviation "Ser" for the constellation in 1922.<a href="#cite_note-boundary-5">[5]</a><a href="#cite_note-pa30_469-6">[6]</a> <div class="mw-heading mw-heading2"><h2 id="Features">Features</h2>[<a href="/w/index.php?title=Serpens&action=edit&section=3" title="Edit section: Features">edit</a>]</div> <div class="mw-heading mw-heading3"><h3 id="Stars">Stars</h3>[<a href="/w/index.php?title=Serpens&action=edit&section=4" title="Edit section: Stars">edit</a>]</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/List_of_stars_in_Serpens" title="List of stars in Serpens">List of stars in Serpens</a></div> <div class="mw-heading mw-heading4"><h4 id="Head_stars">Head stars</h4>[<a href="/w/index.php?title=Serpens&action=edit&section=5" title="Edit section: Head stars">edit</a>]</div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:SerpensCaputCC.jpg" class="mw-file-description"><img alt="The pattern of stars in Serpens Caput seen with the naked eye, with a triangle marking the head and a line of stars extending down marking the upper body" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/SerpensCaputCC.jpg/200px-SerpensCaputCC.jpg" decoding="async" width="200" height="300" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/81/SerpensCaputCC.jpg/300px-SerpensCaputCC.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/81/SerpensCaputCC.jpg/400px-SerpensCaputCC.jpg 2x" data-file-width="427" data-file-height="640" /></a><figcaption>The constellation Serpens (Caput) as it can be seen by the naked eye</figcaption></figure> Marking the heart of the serpent is the constellation's brightest star, <a href="/wiki/Alpha_Serpentis" title="Alpha Serpentis">Alpha Serpentis</a>. Traditionally called Unukalhai,<a href="#cite_note-7">[7]</a> is a <a href="/wiki/Red_giant" title="Red giant">red giant</a> of <a href="/wiki/Spectral_type" class="mw-redirect" title="Spectral type">spectral type</a> K2III located approximately 23 parsecs distant with a visual <a href="/wiki/Apparent_magnitude" title="Apparent magnitude">magnitude</a> of 2.630 ± 0.009,<a href="#cite_note-AlphaSimbad-8">[8]</a> meaning it can easily be seen with the naked eye even in areas with substantial light pollution. A faint companion is in orbit around the red giant star,<a href="#cite_note-Eggleton-9">[9]</a> although it is not visible to the naked eye. Situated near Alpha is <a href="/wiki/Lambda_Serpentis" title="Lambda Serpentis">Lambda Serpentis</a>, a magnitude 4.42 ± 0.05 star rather similar to the Sun<a href="#cite_note-daSilva-10">[10]</a> positioned only 12 parsecs away.<a href="#cite_note-LambdaSimbad-11">[11]</a> It has an exoplanet orbiting around it.<a href="#cite_note-12">[12]</a> Another <a href="/wiki/Solar_analog" title="Solar analog">solar analog</a> in Serpens is the primary of <a href="/wiki/Psi_Serpentis" title="Psi Serpentis">Psi Serpentis</a>, a binary star<a href="#cite_note-Hall-13">[13]</a> located slightly further away at approximately 14 parsecs.<a href="#cite_note-PsiSimbad-14">[14]</a> <a href="/wiki/Beta_Serpentis" title="Beta Serpentis">Beta</a>, <a href="/wiki/Gamma_Serpentis" title="Gamma Serpentis">Gamma</a>, and <a href="/wiki/Iota_Serpentis" title="Iota Serpentis">Iota Serpentis</a> form a distinctive triangular shape marking the head of the snake, with <a href="/wiki/Kappa_Serpentis" title="Kappa Serpentis">Kappa Serpentis</a> (the proper name is Gudja<a href="#cite_note-IAU-CSN-15">[15]</a>) being roughly midway between Gamma and Iota. The brightest of the four with an apparent magnitude of roughly 3.67, Beta Serpentis is a white main-sequence star roughly 160 parsecs distant.<a href="#cite_note-BetaSimbad-16">[16]</a> It is likely that a nearby 10th-magnitude star<a href="#cite_note-BetaBSimbad-17">[17]</a> is physically associated with Beta, although it is not certain.<a href="#cite_note-Shaya-18">[18]</a> The <a href="/wiki/Mira_variable" title="Mira variable">Mira variable</a> <a href="/wiki/R_Serpentis" title="R Serpentis">R Serpentis</a>, situated between Beta and Gamma, is visible to the naked eye at its maximum of 5th-magnitude, but, typical of Mira variables, it can fade to below magnitude 14.<a href="#cite_note-RAAVSO-19">[19]</a> Gamma Serpentis itself is an F-type <a href="/wiki/Subgiant" title="Subgiant">subgiant</a> located only 11 parsecs distant and thus is quite bright, being of magnitude 3.84 ± 0.05.<a href="#cite_note-GammaSimbad-20">[20]</a> The star is known to show <a href="/wiki/Solar-like_oscillations" title="Solar-like oscillations">solar-like oscillations</a>.<a href="#cite_note-Bi-21">[21]</a> Iota Serpentis is a binary star system.<a href="#cite_note-Muterspaugh_2010-22">[22]</a> <a href="/wiki/Delta_Serpentis" title="Delta Serpentis">Delta Serpentis</a>, forming part of the body of the snake between the heart and the head, is a multiple star system<a href="#cite_note-Malkov-23">[23]</a> positioned around 70 parsecs from Earth. Consisting of four stars, the system has a total apparent magnitude of 3.79 as viewed from Earth,<a href="#cite_note-DeltaSimbad-24">[24]</a> although two of the stars, with a combined apparent magnitude of 3.80, provide nearly all the light.<a href="#cite_note-DeltaBSimbad-25">[25]</a> The primary, a white subgiant, is a <a href="/wiki/Delta_Scuti_variable" title="Delta Scuti variable">Delta Scuti variable</a> with an average apparent magnitude of 4.23.<a href="#cite_note-DeltaAAVSO-26">[26]</a> Positioned very near Delta, both in the night sky and likely in actual space at an estimated distance of around 70 parsecs,<a href="#cite_note-16Simbad-27">[27]</a> is the <a href="/wiki/Barium_star" title="Barium star">barium star</a> <a href="/wiki/16_Serpentis" title="16 Serpentis">16 Serpentis</a>.<a href="#cite_note-Tomkin-28">[28]</a> Another notable variable star visible to the naked eye is <a href="/wiki/Chi_Serpentis" title="Chi Serpentis">Chi Serpentis</a>, an <a href="/wiki/Alpha%C2%B2_Canum_Venaticorum_variable" class="mw-redirect" title="Alpha² Canum Venaticorum variable">Alpha² Canum Venaticorum variable</a> situated midway between Delta and Beta which varies from its median brightness of 5.33 by 0.03 magnitudes over a period of approximately 1.5 days.<a href="#cite_note-ChiAAVSO-29">[29]</a> Chi Serpentis is a <a href="/wiki/Ap_and_Bp_stars" title="Ap and Bp stars">chemically peculiar</a> star.<a href="#cite_note-Loden1983-30">[30]</a> The two stars in Serpens Caput that form part of the Snake's body below the heart are <a href="/wiki/Epsilon_Serpentis" title="Epsilon Serpentis">Epsilon</a> and Mu Serpentis, both third-magnitude <a href="/wiki/A-type_main-sequence_star" title="A-type main-sequence star">A-type main-sequence stars</a>.<a href="#cite_note-EpsilonSimbad-31">[31]</a><a href="#cite_note-MuSimbad-32">[32]</a> Both have a peculiarity: Epsilon is an <a href="/wiki/Am_star" title="Am star">Am star</a>,<a href="#cite_note-Adelman-33">[33]</a> while Mu is a binary.<a href="#cite_note-Gontcharov-34">[34]</a> Located slightly northwest of Mu is <a href="/wiki/36_Serpentis" title="36 Serpentis">36 Serpentis</a>, another A-type main-sequence star. This star also has a peculiarity; it is a binary with the primary component being a <a href="/wiki/Lambda_Bo%C3%B6tis_star" title="Lambda Boötis star">Lambda Boötis star</a>, meaning that it has solar-like amounts of <a href="/wiki/Carbon" title="Carbon">carbon</a>, <a href="/wiki/Nitrogen" title="Nitrogen">nitrogen</a>, and <a href="/wiki/Oxygen" title="Oxygen">oxygen</a>, while containing very low amounts of <a href="/wiki/Iron_peak" title="Iron peak">iron peak</a> elements.<a href="#cite_note-Nikolov-35">[35]</a> The secondary star has also been a source of X-ray emissions.<a href="#cite_note-Mason2010-36">[36]</a> <a href="/wiki/25_Serpentis" title="25 Serpentis">25 Serpentis</a>, positioned a few degrees northeast of Mu Serpentis, is a <a href="/wiki/Spectroscopic_binary" class="mw-redirect" title="Spectroscopic binary">spectroscopic binary</a><a href="#cite_note-Petrie-37">[37]</a> consisting of a hot <a href="/wiki/Blue_giant" title="Blue giant">B-type giant</a> and an A-type main-sequence star. The primary is a <a href="/wiki/Slowly_pulsating_B_star" class="mw-redirect" title="Slowly pulsating B star">slowly pulsating B star</a>, which causes the system to vary by 0.03 magnitudes.<a href="#cite_note-25AAVSO-38">[38]</a> Serpens Caput contains many <a href="/wiki/RR_Lyrae_variable" title="RR Lyrae variable">RR Lyrae variables</a>, although most are too faint to be seen without professional photography. The brightest is <a href="/w/index.php?title=VY_Serpentis&action=edit&redlink=1" class="new" title="VY Serpentis (page does not exist)">VY Serpentis</a>, only of 10th magnitude. This star's period has been increasing by approximately 1.2 seconds per century.<a href="#cite_note-Wunder-39">[39]</a> A variable star of a different kind is <a href="/wiki/Tau4_Serpentis" title="Tau4 Serpentis">Tau4 Serpentis</a>, a cool red giant that pulsates between magnitudes 5.89 and 7.07 in 87 days.<a href="#cite_note-Tau4AAVSO-40">[40]</a> This star has been found to display an inverse <a href="/wiki/P_Cygni_profile" class="mw-redirect" title="P Cygni profile">P Cygni profile</a>,<a href="#cite_note-Kolotilov-41">[41]</a> where cold infalling gas on to the star creates <a href="/wiki/Redshift" title="Redshift">redshifted</a> hydrogen absorption lines next to the normal emission lines.<a href="#cite_note-UToledo-42">[42]</a> Several stars in Serpens have been found to have <a href="/wiki/Exoplanet" title="Exoplanet">planets</a>. The brightest, <a href="/wiki/Omega_Serpentis" title="Omega Serpentis">Omega Serpentis</a>, located between Epsilon and Mu, is an <a href="/wiki/Orange_giant" class="mw-redirect" title="Orange giant">orange giant</a> with a planet of at least 1.7 <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a>-masses.<a href="#cite_note-Sato-43">[43]</a> <a href="/wiki/NN_Serpentis" title="NN Serpentis">NN Serpentis</a>, an eclipsing <a href="/wiki/Post_common_envelope_binary" title="Post common envelope binary">post-common-envelope binary</a> consisting of a <a href="/wiki/White_dwarf" title="White dwarf">white dwarf</a> and a <a href="/wiki/Red_dwarf" title="Red dwarf">red dwarf</a>,<a href="#cite_note-Parsons-44">[44]</a> is very likely to have two planets causing variations in the period of the eclipses.<a href="#cite_note-Marsh-45">[45]</a> Although it does not have a planet, the solar analog <a href="/w/index.php?title=HD_137510&action=edit&redlink=1" class="new" title="HD 137510 (page does not exist)">HD 137510</a> has been found to have a <a href="/wiki/Brown_dwarf" title="Brown dwarf">brown dwarf</a> companion within the <a href="/wiki/Brown-dwarf_desert" title="Brown-dwarf desert">brown-dwarf desert</a>.<a href="#cite_note-Endl-46">[46]</a> <a href="/w/index.php?title=PSR_B1534%2B11&action=edit&redlink=1" class="new" title="PSR B1534+11 (page does not exist)">PSR B1534+11</a> is a system consisting of two <a href="/wiki/Neutron_star" title="Neutron star">neutron stars</a> orbiting each other, one of which is a <a href="/wiki/Pulsar" title="Pulsar">pulsar</a> with a period of 37.9 milliseconds. Situated approximately 1000 parsecs distant, the system was used to test <a href="/wiki/Albert_Einstein" title="Albert Einstein">Albert Einstein</a>'s theory of <a href="/wiki/General_relativity" title="General relativity">general relativity</a>, validating the system's relativistic parameters to within 0.2% of values predicted by the theory.<a href="#cite_note-Fonseca-47">[47]</a> The <a href="/wiki/X-ray" title="X-ray">X-ray</a> emission from the system has been found to be present when the non-pulsar star intersects the equatorial <a href="/wiki/Pulsar_wind" class="mw-redirect" title="Pulsar wind">pulsar wind</a> of the pulsar, and the system's orbit has been found to vary slightly.<a href="#cite_note-Durant-48">[48]</a> <div class="mw-heading mw-heading4"><h4 id="Tail_stars">Tail stars</h4>[<a href="/w/index.php?title=Serpens&action=edit&section=6" title="Edit section: Tail stars">edit</a>]</div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:SerpensCaudaCC.jpg" class="mw-file-description"><img alt="The pattern of stars in Serpens Cauda seen with the naked eye, with a line of stars marking the tail" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/SerpensCaudaCC.jpg/200px-SerpensCaudaCC.jpg" decoding="async" width="200" height="302" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/SerpensCaudaCC.jpg/300px-SerpensCaudaCC.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3a/SerpensCaudaCC.jpg/400px-SerpensCaudaCC.jpg 2x" data-file-width="424" data-file-height="640" /></a><figcaption>The constellation Serpens (Cauda) as it can be seen by the naked eye</figcaption></figure> The brightest star in the tail, <a href="/wiki/Eta_Serpentis" title="Eta Serpentis">Eta Serpentis</a>, is similar to Alpha Serpentis' primary in that it is a red giant of spectral class K. This star, however, is known to exhibit solar-like oscillations over a period of approximately 2.16 hours.<a href="#cite_note-Hekker-49">[49]</a><a href="#cite_note-mnras409_2_777-50">[50]</a> The other two stars in Serpens Cauda forming its asterism are <a href="/wiki/Theta_Serpentis" title="Theta Serpentis">Theta</a> and <a href="/wiki/Xi_Serpentis" title="Xi Serpentis">Xi Serpentis</a>. Xi, where the asterism crosses over to Mu Serpentis in the head, is a triple star system<a href="#cite_note-Eggleton-9">[9]</a> located approximately 105 parsecs away.<a href="#cite_note-XiSimbad-51">[51]</a><a href="#cite_note-XiSpecType-52">[52]</a> Two of the stars, with a combined apparent magnitude of around 3.5, form a spectroscopic binary with an <a href="/wiki/Angular_separation" class="mw-redirect" title="Angular separation">angular separation</a> of only 2.2 milli<a href="/wiki/Arcseconds" class="mw-redirect" title="Arcseconds">arcseconds</a>,<a href="#cite_note-Halbwachs-53">[53]</a> and thus cannot be resolved with modern equipment. The primary is a <a href="/wiki/White_giant" class="mw-redirect" title="White giant">white giant</a> with an excess of <a href="/wiki/Strontium" title="Strontium">strontium</a>.<a href="#cite_note-XiSimbad-51">[51]</a> Theta, forming the tip of the tail, is also a multiple system, consisting of two A-type main-sequence stars with a combined apparent magnitude of around 4.1 separated by almost half an arcminute.<a href="#cite_note-Eggleton-9">[9]</a> There is also a third G-type star with a mass and radius similar to that of the Sun.<a href="#cite_note-ThetaSerC-54">[54]</a> Lying near the boundary with Ophiuchus are <a href="/wiki/Zeta_Serpentis" title="Zeta Serpentis">Zeta</a>, <a href="/wiki/Nu_Serpentis" title="Nu Serpentis">Nu</a>, and <a href="/wiki/Omicron_Serpentis" title="Omicron Serpentis">Omicron Serpentis</a>. All three are 4th-magnitude main-sequence stars, with Nu and Omicron being of spectral type A<a href="#cite_note-NuSimbad-55">[55]</a><a href="#cite_note-OmicronSimbad-56">[56]</a> and Zeta being of spectral type F.<a href="#cite_note-ZetaSimbad-57">[57]</a> Nu is a single star<a href="#cite_note-Eggleton-9">[9]</a> with a 9th-magnitude visual companion,<a href="#cite_note-NuBSimbad-58">[58]</a> while Omicron is a Delta Scuti variable with amplitude variations of 0.01 magnitudes.<a href="#cite_note-OmicronAAVSO-59">[59]</a> In 1909, the <a href="/wiki/Symbiotic_nova" title="Symbiotic nova">symbiotic nova</a><a href="#cite_note-Pavlenko-60">[60]</a> <a href="/w/index.php?title=RT_Serpentis&action=edit&redlink=1" class="new" title="RT Serpentis (page does not exist)">RT Serpentis</a> appeared near Omicron, although it only reached a maximum magnitude of 10.<a href="#cite_note-RTAAVSO-61">[61]</a> The star system <a href="/wiki/59_Serpentis" title="59 Serpentis">59 Serpentis</a>, also known as d Serpentis, is a triple star system <a href="#cite_note-Tilley-62">[62]</a> consisting of a spectroscopic binary containing an A-type star and an orange giant<a href="#cite_note-Abt-63">[63]</a> and an orange giant secondary.<a href="#cite_note-59BSimbad-64">[64]</a> The system shows <a href="/wiki/Irregular_variable" title="Irregular variable">irregular variations in brightness</a> between magnitudes 5.17 and 5.2.<a href="#cite_note-59AAVSO-65">[65]</a> In 1970, the nova <a href="/wiki/FH_Serpentis" title="FH Serpentis">FH Serpentis</a> appeared just slightly north of 59 Serpentis, reaching a maximum brightness of 4.5.<a href="#cite_note-FHAAVSO-66">[66]</a> Also near 59 Serpentis in the <a href="/w/index.php?title=Serpens_Cloud&action=edit&redlink=1" class="new" title="Serpens Cloud (page does not exist)">Serpens Cloud</a> are several <a href="/wiki/Orion_variable" title="Orion variable">Orion variables</a>. <a href="/w/index.php?title=MWC_297&action=edit&redlink=1" class="new" title="MWC 297 (page does not exist)">MWC 297</a> is a <a href="/wiki/Herbig_Ae/Be_star" title="Herbig Ae/Be star">Herbig Be star</a> that in 1994 exhibited a large <a href="/wiki/X-ray" title="X-ray">X-ray</a> flare and increased in X-ray luminosity by five times before returning to the quiescent state.<a href="#cite_note-Hamaguchi-67">[67]</a> The star also appears to possess a <a href="/wiki/Circumstellar_disk" class="mw-redirect" title="Circumstellar disk">circumstellar disk</a>.<a href="#cite_note-Acke-68">[68]</a> Another Orion variable in the region is <a href="/w/index.php?title=VV_Serpentis&action=edit&redlink=1" class="new" title="VV Serpentis (page does not exist)">VV Serpentis</a>, a Herbig Ae star that has been found to exhibit Delta Scuti pulsations.<a href="#cite_note-Ripepi-69">[69]</a> VV Serpentis has also, like MWC 297, been found to have a dusty disk surrounding it,<a href="#cite_note-Alonso-Albi-70">[70]</a> and is also a <a href="/wiki/UX_Orionis_star" class="mw-redirect" title="UX Orionis star">UX Orionis star</a>,<a href="#cite_note-VVAAVSO-71">[71]</a> meaning that it shows irregular variations in its brightness.<a href="#cite_note-72">[72]</a> The star <a href="/w/index.php?title=HR_6958&action=edit&redlink=1" class="new" title="HR 6958 (page does not exist)">HR 6958</a>, also known as MV Serpentis, is an Alpha2 Canum Venaticorum variable that is faintly visible to the naked eye.<a href="#cite_note-MVAAVSO-73">[73]</a> The star's metal abundance is ten times higher than the Sun for most metals at the iron peak and up to 1,000 times more for heavier elements. It has also been found to contain excess <a href="/wiki/Silicon" title="Silicon">silicon</a>.<a href="#cite_note-Lopez-Garcia-74">[74]</a> Barely visible to the naked eye is <a href="/w/index.php?title=HD_172365&action=edit&redlink=1" class="new" title="HD 172365 (page does not exist)">HD 172365</a>,<a href="#cite_note-HD172365Simbad-75">[75]</a> a likely post-<a href="/wiki/Blue_straggler" title="Blue straggler">blue straggler</a> in the open cluster <a href="/wiki/IC_4756" title="IC 4756">IC 4756</a> that contains a large excess of <a href="/wiki/Lithium" title="Lithium">lithium</a>.<a href="#cite_note-Andrievsky-76">[76]</a> <a href="/w/index.php?title=HD_172189&action=edit&redlink=1" class="new" title="HD 172189 (page does not exist)">HD 172189</a>, also located in IC 4756, is an <a href="/wiki/Algol_variable" title="Algol variable">Algol variable</a> eclipsing binary<a href="#cite_note-Ibanoglu-77">[77]</a> with a 5.70 day period. The primary star in the system is also a Delta Scuti variable, undergoing multiple pulsation frequencies, which, combined with the eclipses, causes the system to vary by around a tenth of a magnitude.<a href="#cite_note-Costa-78">[78]</a> As the <a href="/wiki/Galactic_plane" title="Galactic plane">galactic plane</a> passes through it, Serpens Cauda contains many massive <a href="/wiki/OB_star" title="OB star">OB stars</a>. Several of these are visible to the naked eye, such as <a href="/w/index.php?title=NW_Serpentis&action=edit&redlink=1" class="new" title="NW Serpentis (page does not exist)">NW Serpentis</a>, an early <a href="/wiki/Be_star" title="Be star">Be star</a> that has been found to be somewhat variable. The variability is interesting; according to one study, it could be one of the first discovered hybrids between <a href="/wiki/Beta_Cephei_variable" title="Beta Cephei variable">Beta Cephei variables</a> and slowly pulsating B stars.<a href="#cite_note-Gutierrez-Soto-79">[79]</a> Although not visible to the naked eye, <a href="/w/index.php?title=HD_167971&action=edit&redlink=1" class="new" title="HD 167971 (page does not exist)">HD 167971</a> (MY Serpentis) is a <a href="/wiki/Beta_Lyrae_variable" title="Beta Lyrae variable">Beta Lyrae variable</a> triple system consisting of three very hot <a href="/wiki/O-type_star" title="O-type star">O-type stars</a>. A member of the cluster <a href="/wiki/NGC_6604" title="NGC 6604">NGC 6604</a>,<a href="#cite_note-DeBecker-80">[80]</a> the two eclipsing stars are both blue giants, with one being of the very early spectral type O7.5III. The remaining star is either a blue giant or <a href="/wiki/Blue_supergiant" title="Blue supergiant">supergiant</a> of a late O or early B spectral type.<a href="#cite_note-Ibanoglu2-81">[81]</a> Also an eclipsing<a href="#cite_note-V411AAVSO-82">[82]</a> binary, the <a href="/w/index.php?title=HD_166734&action=edit&redlink=1" class="new" title="HD 166734 (page does not exist)">HD 166734</a> system consists of two O-type blue supergiants in orbit around each other.<a href="#cite_note-Conti-83">[83]</a> Less extreme in terms of mass and temperature is <a href="/w/index.php?title=HD_161701&action=edit&redlink=1" class="new" title="HD 161701 (page does not exist)">HD 161701</a>, a spectroscopic binary consisting of a <a href="/wiki/B-type_star" class="mw-redirect" title="B-type star">B-type</a> primary and an <a href="/wiki/Ap_star" class="mw-redirect" title="Ap star">Ap</a> secondary, although it is the only known spectroscopic binary to consist of a star with excess of <a href="/wiki/Mercury_(element)" title="Mercury (element)">mercury</a> and <a href="/wiki/Manganese" title="Manganese">manganese</a> and an Ap star.<a href="#cite_note-Hubrig-84">[84]</a> South of the <a href="/wiki/Eagle_Nebula" title="Eagle Nebula">Eagle Nebula</a> on the border with Sagittarius is the eclipsing binary <a href="/wiki/W_Serpentis" title="W Serpentis">W Serpentis</a>, whose primary is a white giant that is interacting with the secondary. The system has been found to contain an <a href="/wiki/Accretion_disk" title="Accretion disk">accretion disk</a>, and was one of the first discovered <a href="/w/index.php?title=Serpentid&action=edit&redlink=1" class="new" title="Serpentid (page does not exist)">Serpentids</a>, which are eclipsing binaries containing exceptionally strong <a href="/wiki/Far-ultraviolet" class="mw-redirect" title="Far-ultraviolet">far-ultraviolet</a> spectral lines.<a href="#cite_note-Weiland-85">[85]</a> It is suspected that such Serpentids are in an earlier evolutionary phase, and will evolve first into <a href="/wiki/Double_periodic_variable" title="Double periodic variable">double periodic variables</a> and then classical Algol variables.<a href="#cite_note-Mennickent-86">[86]</a> Also near the Eagle Nebula is the eclipsing <a href="/wiki/Wolf%E2%80%93Rayet_star" title="Wolf–Rayet star">Wolf–Rayet</a> binary <a href="/wiki/CV_Serpentis" title="CV Serpentis">CV Serpentis</a>, consisting of a Wolf–Rayet star and a hot O-type subgiant. The system is surrounded by a ring-shaped <a href="/wiki/Nebula" title="Nebula">nebula</a>, likely formed during the Wolf–Rayet phase of the primary.<a href="#cite_note-Cappa-87">[87]</a> The eclipses of the system vary erratically, and although there are two theories as to why, neither of them is completely consistent with current understanding of stars.<a href="#cite_note-David-Uraz-88">[88]</a> Serpens Cauda contains a few <a href="/wiki/X-ray_binary" title="X-ray binary">X-ray binaries</a>. One of these, <a href="/w/index.php?title=GX_17%2B2&action=edit&redlink=1" class="new" title="GX 17+2 (page does not exist)">GX 17+2</a>, is a <a href="/wiki/Low-mass_X-ray_binary" class="mw-redirect" title="Low-mass X-ray binary">low-mass X-ray binary</a> consisting of a neutron star and, as in all low-mass X-ray binaries, a low-mass star. The system has been classified as a <a href="/w/index.php?title=Z_source&action=edit&redlink=1" class="new" title="Z source (page does not exist)">Sco-like Z source</a>, meaning that its accretion is near the <a href="/wiki/Eddington_limit" class="mw-redirect" title="Eddington limit">Eddington limit</a>.<a href="#cite_note-Lin-89">[89]</a> The system has also been found to approximately every 3 days brighten by around 3.5 <a href="/wiki/Apparent_magnitude#Standard_reference_values" title="Apparent magnitude">K-band</a> magnitudes, possibly due to the presence of a <a href="/wiki/Synchrotron_radiation" title="Synchrotron radiation">synchrotron jet</a>.<a href="#cite_note-Bornak-90">[90]</a> Another low-mass X-ray binary, <a href="/w/index.php?title=Serpens_X-1&action=edit&redlink=1" class="new" title="Serpens X-1 (page does not exist)">Serpens X-1</a>, undergoes occasional X-ray bursts. One in particular lasted nearly four hours, possibly explained by the burning of carbon in "a heavy element ocean".<a href="#cite_note-Cornelisse-91">[91]</a> Φ 332 (Finsen 332) is a tiny and difficult double-double star at 18:45 / +5°30', named Tweedledee and Tweedledum by South African astronomer <a href="/wiki/William_Stephen_Finsen" title="William Stephen Finsen">William Stephen Finsen</a>, who was struck by the nearly identical position angles and separations at the time of his 1953 discovery.<a href="#cite_note-92">[92]</a><a href="#cite_note-93">[93]</a><a href="#cite_note-94">[94]</a> <a href="/wiki/Gliese_710" title="Gliese 710">Gliese 710</a> is a star that is expected to pass very close to the Solar System in around 1.29 million years.<a href="#cite_note-Bailer2018-95">[95]</a><a href="#cite_note-Berski2016-96">[96]</a><a href="#cite_note-García-Sánchez1999-97">[97]</a> <div class="mw-heading mw-heading3"><h3 id="Deep-sky_objects">Deep-sky objects</h3>[<a href="/w/index.php?title=Serpens&action=edit&section=7" title="Edit section: Deep-sky objects">edit</a>]</div> <div class="mw-heading mw-heading4"><h4 id="Head_objects">Head objects</h4>[<a href="/w/index.php?title=Serpens&action=edit&section=8" title="Edit section: Head objects">edit</a>]</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Messier_5_-_HST.jpg" class="mw-file-description"><img alt="Messier 5's central dense core of stars, containing a large number of stars packed into a small area" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Messier_5_-_HST.jpg/220px-Messier_5_-_HST.jpg" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Messier_5_-_HST.jpg/330px-Messier_5_-_HST.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Messier_5_-_HST.jpg/440px-Messier_5_-_HST.jpg 2x" data-file-width="3152" data-file-height="3152" /></a><figcaption><a href="/wiki/Messier_5" title="Messier 5">Messier 5</a>, a globular cluster that can be seen with the naked eye under good conditions</figcaption></figure> As the galactic plane does not pass through this part of Serpens, a view to many galaxies beyond it is possible. However, a few structures of the Milky Way Galaxy are present in Serpens Caput, such as Messier 5, a <a href="/wiki/Globular_cluster" title="Globular cluster">globular cluster</a> positioned approximately 8° southwest of α Serpentis, next to the star <a href="/wiki/5_Serpentis" title="5 Serpentis">5 Serpentis</a>. Barely visible to the naked eye under good conditions,<a href="#cite_note-M5SEDS-98">[98]</a> and is located approximately 25,000 ly distant.<a href="#cite_note-Paust-99">[99]</a> Messier 5 contains a large number of known RR Lyrae variable stars,<a href="#cite_note-Szeidl-100">[100]</a> and is receding from us at over 50 km/s.<a href="#cite_note-Harris-101">[101]</a> The cluster contains two <a href="/wiki/Millisecond_pulsar" title="Millisecond pulsar">millisecond pulsars</a>, one of which is in a binary, allowing the <a href="/wiki/Proper_motion" title="Proper motion">proper motion</a> of the cluster to be measured. The binary could help our understanding of <a href="/wiki/Neutron_degenerate_matter" class="mw-redirect" title="Neutron degenerate matter">neutron degenerate matter</a>; the current median mass, if confirmed, would exclude any "soft" <a href="/wiki/Equation_of_state" title="Equation of state">equation of state</a> for such matter.<a href="#cite_note-Freire-102">[102]</a> The cluster has been used to test for <a href="/wiki/Magnetic_dipole_moment" class="mw-redirect" title="Magnetic dipole moment">magnetic dipole moments</a> in neutrinos, which could shed light on some hypothetical particles such as the <a href="/wiki/Axion" title="Axion">axion</a>.<a href="#cite_note-Viaux-103">[103]</a> The brightest stars in Messier 5 are around magnitude 10.6,<a href="#cite_note-Coutts_Clement-104">[104]</a> and the globular cluster was first observed by <a href="/wiki/William_Herschel" title="William Herschel">William Herschel</a> in 1791.<a href="#cite_note-105">[105]</a> Another globular cluster is <a href="/wiki/Palomar_5" title="Palomar 5">Palomar 5</a>, found just south of Messier 5. Many stars are leaving this globular cluster due to the Milky Way's gravity, forming a <a href="/wiki/Tidal_tail" title="Tidal tail">tidal tail</a> over 30000 light-years long.<a href="#cite_note-Ibata-106">[106]</a> It is over 11 billion years old.<a href="#cite_note-Martelletal2002-107">[107]</a> It has also been flattened and distorted by tidal effects.<a href="#cite_note-apj721_2_1790-108">[108]</a> The <a href="/w/index.php?title=L134_(nebula)&action=edit&redlink=1" class="new" title="L134 (nebula) (page does not exist)">L134</a>/<a href="/wiki/L183" title="L183">L183</a> is a <a href="/wiki/Dark_nebula" title="Dark nebula">dark nebula</a> complex that, along with a third cloud, is likely formed by fragments of a single original cloud located 36 degrees away from the galactic plane, a large distance for dark nebulae.<a href="#cite_note-ClarkJohnson-109">[109]</a> The entire complex is thought to be around 140 parsecs distant.<a href="#cite_note-Cernis-110">[110]</a> L183, also referred to as L134N, is home to several infrared sources, indicating pre-stellar sources<a href="#cite_note-Lehtinen-111">[111]</a> thought to present the first known observation of the contraction phase between cloud cores and prestellar cores.<a href="#cite_note-Pagani-112">[112]</a> The core is split into three regions,<a href="#cite_note-Kirk-113">[113]</a> with a combined mass of around 25 solar masses.<a href="#cite_note-Juvela-114">[114]</a> Outside of the Milky Way, there are no bright deep-sky objects for amateur astronomers in Serpens Caput, with nothing else above 10th magnitude. The brightest is <a href="/wiki/NGC_5962" title="NGC 5962">NGC 5962</a>, a <a href="/wiki/Spiral_galaxy" title="Spiral galaxy">spiral galaxy</a> positioned around 28 megaparsecs distant<a href="#cite_note-NGC5962NED-115">[115]</a> with an apparent magnitude of 11.34.<a href="#cite_note-GilDePaz-116">[116]</a> Two supernovae have been observed in the galaxy,<a href="#cite_note-Im_et_al_2019-117">[117]</a> and NGC 5962 has two satellite galaxies.<a href="#cite_note-Mao_et_al_2021-118">[118]</a> Slightly fainter is <a href="/wiki/NGC_5921" title="NGC 5921">NGC 5921</a>, a <a href="/wiki/Barred_spiral_galaxy" title="Barred spiral galaxy">barred spiral galaxy</a> with a <a href="/wiki/LINER" class="mw-redirect" title="LINER">LINER</a>-type <a href="/wiki/Active_galactic_nucleus" title="Active galactic nucleus">active galactic nucleus</a> situated somewhat closer at a distance of 21 megaparsecs.<a href="#cite_note-NGC5921NED-119">[119]</a> A <a href="/wiki/Type_II_supernova" title="Type II supernova">type II supernova</a> was observed in this galaxy in 2001 and was designated SN 2001X.<a href="#cite_note-Gal-Yam-120">[120]</a> Fainter still are the spirals <a href="/wiki/NGC_5964" title="NGC 5964">NGC 5964</a><a href="#cite_note-Hernandez-Toledo-121">[121]</a> and <a href="/wiki/NGC_6118" title="NGC 6118">NGC 6118</a>, with the latter being host to the <a href="/wiki/Supernova" title="Supernova">supernova</a> <a href="/w/index.php?title=SN_2004dk&action=edit&redlink=1" class="new" title="SN 2004dk (page does not exist)">SN 2004dk</a>.<a href="#cite_note-Stockdale-122">[122]</a> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Hoag%27s_object.jpg" class="mw-file-description"><img alt="The yellow nucleus of Hoag's Object surrounded by a blue ring of stars" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Hoag%27s_object.jpg/220px-Hoag%27s_object.jpg" decoding="async" width="220" height="215" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Hoag%27s_object.jpg/330px-Hoag%27s_object.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/da/Hoag%27s_object.jpg/440px-Hoag%27s_object.jpg 2x" data-file-width="1521" data-file-height="1489" /></a><figcaption><a href="/wiki/Hoag%27s_Object" title="Hoag's Object">Hoag's Object</a>, a galaxy in Serpens and a member of the very rare class known as <a href="/wiki/Ring_galaxy" title="Ring galaxy">ring galaxies</a>.</figcaption></figure> Hoag's Object, located 600 million light-years from Earth, is a member of the very rare class of galaxies known as ring galaxies. The outer ring is largely composed of young blue stars while the core is made up of older yellow stars. The predominant theory regarding its formation is that the progenitor galaxy was a barred spiral galaxy whose arms had velocities too great to keep the galaxy's coherence and therefore detached.<a href="#cite_note-objects-123">[123]</a> <a href="/wiki/Arp_220" title="Arp 220">Arp 220</a> is another unusual galaxy in Serpens. The prototypical <a href="/wiki/Ultraluminous_infrared_galaxy" class="mw-redirect" title="Ultraluminous infrared galaxy">ultraluminous infrared galaxy</a>, Arp 220 is somewhat closer than Hoag's Object at 250 million light-years from Earth. It consists of two large spiral galaxies in the process of <a href="/wiki/Galactic_collision" class="mw-redirect" title="Galactic collision">colliding</a> with their nuclei orbiting at a distance of 1,200 light-years, causing extensive <a href="/wiki/Star_formation" title="Star formation">star formation</a> throughout both components. It possesses a large cluster of more than a billion stars, partially covered by thick dust clouds near one of the galaxies' core.<a href="#cite_note-objects-123">[123]</a> Another interacting galaxy pair, albeit in an earlier stage, consists of the galaxies <a href="/wiki/NGC_5953" title="NGC 5953">NGC 5953</a> and <a href="/w/index.php?title=NGC_5954&action=edit&redlink=1" class="new" title="NGC 5954 (page does not exist)">NGC 5954</a>. In this case, both are <a href="/wiki/Active_galaxy" class="mw-redirect" title="Active galaxy">active galaxies</a>, with the former a <a href="/wiki/Seyfert_2_galaxy" class="mw-redirect" title="Seyfert 2 galaxy">Seyfert 2 galaxy</a> and the latter a LINER-type galaxy. Both are undergoing a burst of star formation triggered by the interaction.<a href="#cite_note-GonzalezDelgado-124">[124]</a> <a href="/wiki/Seyfert%27s_Sextet" title="Seyfert's Sextet">Seyfert's Sextet</a> is a <a href="/wiki/Galaxy_group" title="Galaxy group">group</a> of six galaxies, four of which are <a href="/wiki/Interacting_galaxy" title="Interacting galaxy">interacting gravitationally</a> and two of which simply appear to be a part of the group despite their greater distance. The gravitationally bound <a href="/wiki/Galaxy_cluster" title="Galaxy cluster">cluster</a> lies at a distance of 190 million <a href="/wiki/Light-year" title="Light-year">light-years</a> from Earth and is approximately 100,000 light-years across, making Seyfert's Sextet one of the densest galaxy groups known. Astronomers predict that the four interacting galaxies will eventually <a href="/wiki/Galactic_merger" class="mw-redirect" title="Galactic merger">merge</a> to form a large <a href="/wiki/Elliptical_galaxy" title="Elliptical galaxy">elliptical galaxy</a>.<a href="#cite_note-objects-123">[123]</a> The radio source <a href="/w/index.php?title=3C_326&action=edit&redlink=1" class="new" title="3C 326 (page does not exist)">3C 326</a> was originally thought to emanate from a giant elliptical galaxy. However, in 1990, it was shown that the source is instead a brighter, smaller galaxy a few arcseconds north.<a href="#cite_note-Rawlings-125">[125]</a> This object, designated 3C 326 N, has enough gas for star formation, but is being inhibited due to the energy from the radio galaxy nucleus.<a href="#cite_note-Guillard-126">[126]</a> A much larger galaxy cluster is the redshift-0.0354 <a href="/w/index.php?title=Abell_2063&action=edit&redlink=1" class="new" title="Abell 2063 (page does not exist)">Abell 2063</a>.<a href="#cite_note-Kanov-127">[127]</a> The cluster is thought to be interacting with the nearby galaxy group <a href="/w/index.php?title=MKW_3s&action=edit&redlink=1" class="new" title="MKW 3s (page does not exist)">MKW 3s</a>, based on radial velocity measurements of galaxies and the positioning of the <a href="/wiki/CD_galaxy" class="mw-redirect" title="CD galaxy">cD galaxy</a> at the center of Abell 2063.<a href="#cite_note-Krempec-Krygier-128">[128]</a> The active galaxy at the center of MKW 3s—<a href="/wiki/NGC_5920" title="NGC 5920">NGC 5920</a>—appears to be creating a bubble of hot gas from its radio activity.<a href="#cite_note-Giacintucci-129">[129]</a> Near the 5th-magnitude star <a href="/wiki/Pi_Serpentis" title="Pi Serpentis">Pi Serpentis</a> lies <a href="/w/index.php?title=AWM_4&action=edit&redlink=1" class="new" title="AWM 4 (page does not exist)">AWM 4</a>, a cluster containing an excess of metals in the intracluster medium. The central galaxy, <a href="/wiki/NGC_6051" title="NGC 6051">NGC 6051</a>, is a <a href="/wiki/Radio_galaxy" title="Radio galaxy">radio galaxy</a> that is probably responsible for this enrichment.<a href="#cite_note-OSullivan-130">[130]</a> Similar to AWM 4, the cluster <a href="/w/index.php?title=Abell_2052&action=edit&redlink=1" class="new" title="Abell 2052 (page does not exist)">Abell 2052</a> has central cD radio galaxy, <a href="/w/index.php?title=3C_317&action=edit&redlink=1" class="new" title="3C 317 (page does not exist)">3C 317</a>. This radio galaxy is believed to have restarted after a period of inactivity less than 200 years ago.<a href="#cite_note-Venturi-131">[131]</a> The galaxy has over 40,000 known globular clusters, the highest known total of any galaxy as of 2002.<a href="#cite_note-MyungGyoon-132">[132]</a> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Galaxy3C321-composite.jpg" class="mw-file-description"><img alt="A brilliant red galaxy on the left interacts with a blue galaxy on the right, forming the merging active galaxy pair 3C 321." src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Galaxy3C321-composite.jpg/220px-Galaxy3C321-composite.jpg" decoding="async" width="220" height="161" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Galaxy3C321-composite.jpg/330px-Galaxy3C321-composite.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Galaxy3C321-composite.jpg/440px-Galaxy3C321-composite.jpg 2x" data-file-width="3600" data-file-height="2627" /></a><figcaption>A composite image of <a href="/wiki/3C_321" title="3C 321">3C 321</a>, a merging active galaxy pair</figcaption></figure> Consisting of two quasars with a separation of less than 5 <a href="/wiki/Arcsecond" class="mw-redirect" title="Arcsecond">arcseconds</a>, the quasar pair <a href="/w/index.php?title=4C_11.50&action=edit&redlink=1" class="new" title="4C 11.50 (page does not exist)">4C 11.50</a> is one of the visually closest pairs of quasars in the sky. The two have markedly different redshifts, however, and are thus unrelated.<a href="#cite_note-Shaver-133">[133]</a> The foreground member of the pair (4C 11.50 A) does not have enough mass to refract light from the background component (4C 11.50 B) enough to produce a <a href="/wiki/Gravitational_lensing" class="mw-redirect" title="Gravitational lensing">lensed</a> image, although it does have a true companion of its own.<a href="#cite_note-Claeskens-134">[134]</a> An even stranger galaxy pair is <a href="/wiki/3C_321" title="3C 321">3C 321</a>. Unlike the previous pair, the two galaxies making up 3C 321 are interacting with each other and are in the process of merging. Both members appear to be active galaxies; the primary radio galaxy may be responsible for the activity in the secondary by means of the former's jet driving material onto the latter's <a href="/wiki/Supermassive_black_hole" title="Supermassive black hole">supermassive black hole</a>.<a href="#cite_note-Evans-135">[135]</a> An example of <a href="/wiki/Gravitational_lens" title="Gravitational lens">gravitational lensing</a> is found in the radio galaxy <a href="/w/index.php?title=3C_324&action=edit&redlink=1" class="new" title="3C 324 (page does not exist)">3C 324</a>. First thought to be a single overluminous radio galaxy with a redshift of z = 1.206, it was found in 1987 to actually be two galaxies, with the radio galaxy at the aforementioned redshift being lensed by another galaxy at redshift z = 0.845. The first example of a multiply-imaged radio galaxy discovered,<a href="#cite_note-136">[136]</a> the source appears to be an elliptical galaxy with a <a href="/wiki/Dust_lane" title="Dust lane">dust lane</a> obscuring our view of the visual and ultraviolet emission from the nucleus.<a href="#cite_note-137">[137]</a> In even shorter wavelengths, the <a href="/wiki/BL_Lac_object" class="mw-redirect" title="BL Lac object">BL Lac object</a> <a href="/w/index.php?title=PG_1553%2B113&action=edit&redlink=1" class="new" title="PG 1553+113 (page does not exist)">PG 1553+113</a> is a heavy emitter of <a href="/wiki/Gamma_ray" title="Gamma ray">gamma rays</a>. This object is the most distant found to emit photons with energies in the <a href="/wiki/Electronvolt" title="Electronvolt">TeV</a> range as of 2007.<a href="#cite_note-Treves-138">[138]</a> The spectrum is unique, with hard emission in some ranges of the gamma-ray spectrum in stark contrast to soft emission in others.<a href="#cite_note-Abdo-139">[139]</a> In 2012, the object flared in the gamma-ray spectrum, tripling in luminosity for two nights, allowing the redshift to be accurately measured as z = 0.49.<a href="#cite_note-Abramowski-140">[140]</a> Several <a href="/wiki/Gamma-ray_burst" title="Gamma-ray burst">gamma-ray bursts</a> (GRBs) have been observed in Serpens Caput, such as <a href="/w/index.php?title=GRB_970111&action=edit&redlink=1" class="new" title="GRB 970111 (page does not exist)">GRB 970111</a>, one of the brightest GRBs observed. An optical transient event associated with this GRB has not been found, despite its intensity. The host galaxy initially also proved elusive, however it now appears that the host is a <a href="/wiki/Seyfert_galaxy#Type_I_Seyfert_galaxies" title="Seyfert galaxy">Seyfert I galaxy</a> located at redshift z = 0.657.<a href="#cite_note-Gorosabel-141">[141]</a> The X-ray afterglow of the GRB has also been much fainter than for other dimmer GRBs.<a href="#cite_note-Feroci-142">[142]</a> More distant is <a href="/w/index.php?title=GRB_060526&action=edit&redlink=1" class="new" title="GRB 060526 (page does not exist)">GRB 060526</a> (redshift z = 3.221), from which X-ray and optical afterglows were detected. This GRB was very faint for a long-duration GRB.<a href="#cite_note-Thoene-143">[143]</a> <div class="mw-heading mw-heading4"><h4 id="Tail_objects">Tail objects</h4>[<a href="/w/index.php?title=Serpens&action=edit&section=9" title="Edit section: Tail objects">edit</a>]</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Eagle_Nebula_-_GPN-2000-000987.jpg" class="mw-file-description"><img alt="Three pillars of opaque gas stand tall in a green nebulous background" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Eagle_Nebula_-_GPN-2000-000987.jpg/220px-Eagle_Nebula_-_GPN-2000-000987.jpg" decoding="async" width="220" height="218" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Eagle_Nebula_-_GPN-2000-000987.jpg/330px-Eagle_Nebula_-_GPN-2000-000987.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a3/Eagle_Nebula_-_GPN-2000-000987.jpg/440px-Eagle_Nebula_-_GPN-2000-000987.jpg 2x" data-file-width="1944" data-file-height="1924" /></a><figcaption>The <a href="/wiki/Pillars_of_Creation" title="Pillars of Creation">Pillars of Creation</a>, a well-known <a href="/wiki/Star-forming_region" class="mw-redirect" title="Star-forming region">star-forming region</a> in the Eagle Nebula made famous by this Hubble photograph</figcaption></figure> Part of the galactic plane passes through the tail, and thus Serpens Cauda is rich in deep-sky objects within the Milky Way galaxy. The Eagle Nebula and its associated star cluster, <a href="/wiki/Messier_16" class="mw-redirect" title="Messier 16">Messier 16</a> lie around 5,700<a href="#cite_note-kuhn_19_M16-144">[144]</a> light-years from Earth in the direction of the <a href="/wiki/Galactic_Center" title="Galactic Center">Galactic Center</a>. The nebula measures 70 light-years by 50 light-years and contains the Pillars of Creation, three dust clouds that became famous for the image taken by the <a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a>. The stars being born in the Eagle Nebula, added to those with an approximate age of 5 million years have an average temperature of 45,000 <a href="/wiki/Kelvin" title="Kelvin">kelvins</a> and produce prodigious amounts of radiation that will eventually <a href="/wiki/Photoevaporation" title="Photoevaporation">destroy</a> the dust pillars.<a href="#cite_note-objects-123">[123]</a> Despite its fame, the Eagle Nebula is fairly dim, with an integrated magnitude of approximately 6.0. The star-forming regions in the nebula are often <a href="/wiki/Evaporating_gaseous_globule" title="Evaporating gaseous globule">evaporating gaseous globules</a>; unlike <a href="/wiki/Bok_globule" title="Bok globule">Bok globules</a> they only hold one <a href="/wiki/Protostar" title="Protostar">protostar</a>.<a href="#cite_note-Levy-145">[145]</a> North of Messier 16, at a distance of approximately 2000 parsecs, is the <a href="/wiki/OB_association" class="mw-redirect" title="OB association">OB association</a> <a href="/w/index.php?title=Serpens_OB2&action=edit&redlink=1" class="new" title="Serpens OB2 (page does not exist)">Serpens OB2</a>, containing over 100 OB stars. Around 5 million years old, the association appears to still contain star-forming regions, and the light from its stars is illuminating the <a href="/wiki/HII_region" class="mw-redirect" title="HII region">HII region</a> <a href="/wiki/Sh2-54" class="mw-redirect" title="Sh2-54">S 54</a>.<a href="#cite_note-Forbes-146">[146]</a> Within this HII region is the open cluster <a href="/wiki/NGC_6604" title="NGC 6604">NGC 6604</a>, which is the same age as the surrounding OB association,<a href="#cite_note-Barbon-147">[147]</a> and the cluster is now thought to simply be the densest part of it.<a href="#cite_note-Reipurth-148">[148]</a> The cluster appears to be producing a thermal chimney of ionized gas, caused by the interaction of the gas from the <a href="/wiki/Galactic_disk" class="mw-redirect" title="Galactic disk">galactic disk</a> with the <a href="/wiki/Galactic_halo" title="Galactic halo">galactic halo</a>.<a href="#cite_note-Forbes-146">[146]</a> Another open cluster in Serpens Cauda is <a href="/wiki/IC_4756" title="IC 4756">IC 4756</a>, containing at least one naked-eye star, HD 172365<a href="#cite_note-Herzog-149">[149]</a> (another naked-eye star in the vicinity, <a href="/w/index.php?title=HD_171586&action=edit&redlink=1" class="new" title="HD 171586 (page does not exist)">HD 171586</a>, is most likely unrelated). Positioned approximately 440 parsecs distant,<a href="#cite_note-Alcaino-150">[150]</a> the cluster is estimated to be around 800 million years old, quite old for an open cluster.<a href="#cite_note-Phelps-151">[151]</a> Despite the presence of the Milky Way in Serpens Cauda, one globular cluster can be found: <a href="/wiki/NGC_6535" title="NGC 6535">NGC 6535</a>, although invisible to the naked eye, can be made out in small telescopes just north of Zeta Serpentis. Rather small and sparse for a globular cluster,<a href="#cite_note-Testa-152">[152]</a> this cluster contains no known RR Lyrae variables, which is unusual for a globular cluster.<a href="#cite_note-Sarajeniti-153">[153]</a> <a href="/wiki/MWC_922" class="mw-redirect" title="MWC 922">MWC 922</a> is a star surrounded by a <a href="/wiki/Planetary_nebula" title="Planetary nebula">planetary nebula</a>. Dubbed the <a href="/wiki/Red_Square_Nebula" title="Red Square Nebula">Red Square Nebula</a> due to its similarities to the <a href="/wiki/Red_Rectangle_Nebula" title="Red Rectangle Nebula">Red Rectangle Nebula</a>, the planetary nebula appears to be a nearly perfect square with a dark band around the equatorial regions. The nebula contains concentric rings, which are similar to those seen in the supernova <a href="/wiki/SN_1987A" title="SN 1987A">SN 1987A</a>.<a href="#cite_note-Tuthill-154">[154]</a> MWC 922 itself is an <a href="/wiki/FS_Canis_Majoris_variable" title="FS Canis Majoris variable">FS Canis Majoris variable</a>,<a href="#cite_note-MWC922AAVSO-155">[155]</a> meaning that it is a Be star containing exceptionally bright <a href="/wiki/Hydrogen" title="Hydrogen">hydrogen</a> <a href="/wiki/Emission_line" class="mw-redirect" title="Emission line">emission lines</a> as well as select <a href="/wiki/Forbidden_line" class="mw-redirect" title="Forbidden line">forbidden lines</a>, likely due to the presence of a close binary.<a href="#cite_note-156">[156]</a> East of Xi Serpentis is another planetary nebula, <a href="/w/index.php?title=Abell_41&action=edit&redlink=1" class="new" title="Abell 41 (page does not exist)">Abell 41</a>, containing the binary star <a href="/w/index.php?title=MT_Serpentis&action=edit&redlink=1" class="new" title="MT Serpentis (page does not exist)">MT Serpentis</a> at its center. The nebula appears to have a bipolar structure, and the axis of symmetry of the nebula has been found to be within 5° of the line perpendicular to the orbital plane of the stars, strengthening the link between binary stars and bipolar planetary nebulae.<a href="#cite_note-Jones-157">[157]</a> On the other end of the stellar age spectrum is <a href="/w/index.php?title=L483&action=edit&redlink=1" class="new" title="L483 (page does not exist)">L483</a>, a dark nebula which contains the protostar <a href="/w/index.php?title=IRAS_18418-0440&action=edit&redlink=1" class="new" title="IRAS 18418-0440 (page does not exist)">IRAS 18418-0440</a>. Although classified as a <a href="/wiki/Protostar#Classes_of_Protostars" title="Protostar">class 0 protostar</a>, it has some unusual features for such an object, such as a lack of high-velocity <a href="/wiki/Stellar_wind" title="Stellar wind">stellar winds</a>, and it has been proposed that this object is in transition between class 0 and <a href="/wiki/Protostar#Classes_of_Protostars" title="Protostar">class I</a>.<a href="#cite_note-Tafalla-158">[158]</a> A <a href="/wiki/Variable_nebula" title="Variable nebula">variable nebula</a> exists around the protostar, although it is only visible in infrared light.<a href="#cite_note-Connelley-159">[159]</a> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:W40_(%3DSh2-64).jpg" class="mw-file-description"><img alt="Bright blue stars in a large gold cloud of gas" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/W40_%28%3DSh2-64%29.jpg/220px-W40_%28%3DSh2-64%29.jpg" decoding="async" width="220" height="219" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/W40_%28%3DSh2-64%29.jpg/330px-W40_%28%3DSh2-64%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7b/W40_%28%3DSh2-64%29.jpg/440px-W40_%28%3DSh2-64%29.jpg 2x" data-file-width="940" data-file-height="936" /></a><figcaption><a href="/wiki/Westerhout_40" title="Westerhout 40">Westerhout 40</a>, one of the nearest sites of massive star formation</figcaption></figure> The <a href="/w/index.php?title=Serpens_cloud&action=edit&redlink=1" class="new" title="Serpens cloud (page does not exist)">Serpens cloud</a> is a massive star-forming <a href="/wiki/Molecular_cloud" title="Molecular cloud">molecular cloud</a> situated in the southern part of Serpens Cauda. Only two million years old<a href="#cite_note-Oliveira-160">[160]</a> and 420 parsecs distant,<a href="#cite_note-Dzib-161">[161]</a> the cloud is known to contain many protostars such as <a href="/w/index.php?title=Serpens_FIRS_1&action=edit&redlink=1" class="new" title="Serpens FIRS 1 (page does not exist)">Serpens FIRS 1</a><a href="#cite_note-Dionatos-162">[162]</a> and <a href="/w/index.php?title=Serpens_SVS_20&action=edit&redlink=1" class="new" title="Serpens SVS 20 (page does not exist)">Serpens SVS 20</a>.<a href="#cite_note-Ciardi-163">[163]</a> The <a href="/wiki/Serpens_south" class="mw-redirect" title="Serpens south">Serpens South</a> protocluster was uncovered by NASA's <a href="/wiki/Spitzer_Space_Telescope" title="Spitzer Space Telescope">Spitzer Space Telescope</a> in the southern portion of the cloud,<a href="#cite_note-Gutermuth-164">[164]</a> and it appears that star formation is still continuing in the region.<a href="#cite_note-Nakamura-165">[165]</a> Another site of star formation is the Westerhout 40 complex, consisting of a prominent HII region adjacent to a molecular cloud.<a href="#cite_note-Zeilik-166">[166]</a> Located around 500 parsecs distant,<a href="#cite_note-Shuping-167">[167]</a> it is one of the nearest massive regions of star formation, but as the molecular cloud obscures the HII region, rendering it and its embedded cluster tough to see visibly, it is not as well-studied as others.<a href="#cite_note-Rodney-168">[168]</a> The embedded cluster likely contains over 600 stars above 0.1 solar masses,<a href="#cite_note-Kuhn-169">[169]</a> with several massive stars, including at least one O-type star, being responsible for lighting the HII region and the production of a <a href="/wiki/Stellar-wind_bubble" title="Stellar-wind bubble">bubble</a>.<a href="#cite_note-Shuping-167">[167]</a> Despite the presence of the Milky Way, several active galaxies are visible in Serpens Cauda as well, such as <a href="/w/index.php?title=PDS_456&action=edit&redlink=1" class="new" title="PDS 456 (page does not exist)">PDS 456</a>, found near Xi Serpentis. The most intrinsically luminous nearby active galaxy,<a href="#cite_note-Yun-170">[170]</a> this AGN has been found to be extremely variable in the <a href="/wiki/X-ray_spectrum" class="mw-redirect" title="X-ray spectrum">X-ray spectrum</a>. This has allowed light to be shed on the nature of the supermassive black hole at the center, likely a <a href="/wiki/Kerr_black_hole" class="mw-redirect" title="Kerr black hole">Kerr black hole</a>.<a href="#cite_note-Reeves-171">[171]</a> It is possible that the quasar is undergoing a transition from an ultraluminous infrared galaxy to a classical radio-quiet quasar, but there are problems with this theory, and the object appears to be an exceptional object that does not completely lie within current classification systems.<a href="#cite_note-Yun-170">[170]</a> Nearby is <a href="/wiki/NRAO_530" title="NRAO 530">NRAO 530</a>, a <a href="/wiki/Blazar" title="Blazar">blazar</a> that has been known to flare in the X-rays occasionally. One of these flares was for less than 2000 seconds, making it the shortest flare ever observed in a blazar as of 2004.<a href="#cite_note-Foschini-172">[172]</a> The blazar also appears to show periodic variability in its <a href="/wiki/Radio_wave" title="Radio wave">radio wave</a> output over two different periods of six and ten years.<a href="#cite_note-Lu-173">[173]</a> <div class="mw-heading mw-heading3"><h3 id="Meteor_showers">Meteor showers</h3>[<a href="/w/index.php?title=Serpens&action=edit&section=10" title="Edit section: Meteor showers">edit</a>]</div> There are two daytime <a href="/wiki/Meteor_shower" title="Meteor shower">meteor showers</a> that <a href="/wiki/Radiant_(meteor_shower)" title="Radiant (meteor shower)">radiate</a> from Serpens, the <a href="/w/index.php?title=Omega_Serpentids&action=edit&redlink=1" class="new" title="Omega Serpentids (page does not exist)">Omega Serpentids</a> and the <a href="/w/index.php?title=Sigma_Serpentids&action=edit&redlink=1" class="new" title="Sigma Serpentids (page does not exist)">Sigma Serpentids</a>. Both showers peak between December 18 and December 25.<a href="#cite_note-174">[174]</a> <div class="mw-heading mw-heading2"><h2 id="References">References</h2>[<a href="/w/index.php?title=Serpens&action=edit&section=11" title="Edit section: References">edit</a>]</div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-Ridpath-1">^ <a href="#cite_ref-Ridpath_1-0">a</a> <a href="#cite_ref-Ridpath_1-1">b</a> <a href="#cite_ref-Ridpath_1-2">c</a> <a href="#cite_ref-Ridpath_1-3">d</a> <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFRidpath" class="citation web cs1">Ridpath, Ian. <a rel="nofollow" class="external text" href="http://www.ianridpath.com/startales/serpens.html">"Serpens"</a>. Star Tales. self-published. Retrieved 15 May 2014.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Star+Tales&rft.atitle=Serpens&rft.aulast=Ridpath&rft.aufirst=Ian&rft_id=http%3A%2F%2Fwww.ianridpath.com%2Fstartales%2Fserpens.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASerpens" class="Z3988"> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFArnold" class="citation web cs1">Arnold, Maurice (Toby). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150902033440/http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?page=c">"Arnold's Glossary of Anatomy"</a>. Anatomy & Histology - Online Learning. The University of Sydney. Archived from <a rel="nofollow" class="external text" href="http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?page=c">the original</a> on 2015-09-02. Retrieved 8 August 2015.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Anatomy+%26+Histology+-+Online+Learning&rft.atitle=Arnold%27s+Glossary+of+Anatomy&rft.aulast=Arnold&rft.aufirst=Maurice+%28Toby%29&rft_id=http%3A%2F%2Fwww.anatomy.usyd.edu.au%2Fglossary%2Fglossary.cgi%3Fpage%3Dc&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASerpens" class="Z3988"> </li> <li id="cite_note-3"><a href="#cite_ref-3">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWhite2007" class="citation book cs1">White, Gavin (2007). Babylonian Star-Lore: An Illustrated Guide to the Star-lore and Constellations of Ancient Babylonia. 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Astronomy and Astrophysics. 417 (2): 605–613. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2004A&A...417..605P">2004A&A...417..605P</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1051%2F0004-6361%3A20034087">10.1051/0004-6361:20034087</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0004-6361">0004-6361</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Astronomy+and+Astrophysics&rft.atitle=L183+%28L134N%29+Revisited&rft.volume=417&rft.issue=2&rft.pages=605-613&rft.date=2004&rft.issn=0004-6361&rft_id=info%3Adoi%2F10.1051%2F0004-6361%3A20034087&rft_id=info%3Abibcode%2F2004A%26A...417..605P&rft.aulast=Pagani&rft.aufirst=L.&rft.au=Bacmann%2C+A.&rft.au=Motte%2C+F.&rft.au=Cambr%C3%A9sy%2C+L.&rft.au=Fich%2C+M.&rft.au=Lagache%2C+G.&rft.au=Miville-Desch%C3%AAnes%2C+M.-A.&rft.au=Pardo%2C+J.-R.&rft.au=Apponi%2C+A.+J.&rft_id=https%3A%2F%2Fdoi.org%2F10.1051%252F0004-6361%253A20034087&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASerpens" class="Z3988"> </li> <li id="cite_note-Kirk-113"><a href="#cite_ref-Kirk_113-0">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKirkCrutcherWard-Thompson2009" class="citation journal cs1">Kirk, Jason M.; Crutcher, Richard M.; Ward-Thompson, Derek (2009). "BIMA N2H+1-0 Mapping Observations of L183: Fragmentation and Spin-up in a Collapsing, Magnetized, Rotating, Prestellar Core". The Astrophysical Journal. 701 (2): 1044–1052. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/0906.3632">0906.3632</a>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2009ApJ...701.1044K">2009ApJ...701.1044K</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1088%2F0004-637X%2F701%2F2%2F1044">10.1088/0004-637X/701/2/1044</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0004-637X">0004-637X</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:119251856">119251856</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal&rft.atitle=BIMA+N2H%2B1-0+Mapping+Observations+of+L183%3A+Fragmentation+and+Spin-up+in+a+Collapsing%2C+Magnetized%2C+Rotating%2C+Prestellar+Core&rft.volume=701&rft.issue=2&rft.pages=1044-1052&rft.date=2009&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A119251856%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2009ApJ...701.1044K&rft_id=info%3Aarxiv%2F0906.3632&rft.issn=0004-637X&rft_id=info%3Adoi%2F10.1088%2F0004-637X%2F701%2F2%2F1044&rft.aulast=Kirk&rft.aufirst=Jason+M.&rft.au=Crutcher%2C+Richard+M.&rft.au=Ward-Thompson%2C+Derek&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASerpens" class="Z3988"> </li> <li id="cite_note-Juvela-114"><a href="#cite_ref-Juvela_114-0">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJuvelaMattilaLehtinenLemke2002" class="citation journal cs1">Juvela, M.; Mattila, K.; Lehtinen, K.; Lemke, D.; Laureijs, R.; Prusti, T. (2002). "Far-infrared and molecular line observations of Lynds 183 – Studies of cold gas and dust". Astronomy and Astrophysics. 382 (2): 583–599. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/astro-ph/0111216">astro-ph/0111216</a>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2002A&A...382..583J">2002A&A...382..583J</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1051%2F0004-6361%3A20011539">10.1051/0004-6361:20011539</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0004-6361">0004-6361</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:17367806">17367806</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Astronomy+and+Astrophysics&rft.atitle=Far-infrared+and+molecular+line+observations+of+Lynds+183+%E2%80%93+Studies+of+cold+gas+and+dust&rft.volume=382&rft.issue=2&rft.pages=583-599&rft.date=2002&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A17367806%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2002A%26A...382..583J&rft_id=info%3Aarxiv%2Fastro-ph%2F0111216&rft.issn=0004-6361&rft_id=info%3Adoi%2F10.1051%2F0004-6361%3A20011539&rft.aulast=Juvela&rft.aufirst=M.&rft.au=Mattila%2C+K.&rft.au=Lehtinen%2C+K.&rft.au=Lemke%2C+D.&rft.au=Laureijs%2C+R.&rft.au=Prusti%2C+T.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASerpens" class="Z3988"> </li> <li id="cite_note-NGC5962NED-115"><a href="#cite_ref-NGC5962NED_115-0">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+5962&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES">"NED results for object NGC 5962"</a>. <a href="/wiki/NASA/IPAC_Extragalactic_Database" title="NASA/IPAC Extragalactic Database">NASA/IPAC Extragalactic Database</a>. Retrieved 3 June 2015.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=NED+results+for+object+NGC+5962&rft.pub=NASA%2FIPAC+Extragalactic+Database&rft_id=http%3A%2F%2Fned.ipac.caltech.edu%2Fcgi-bin%2Fobjsearch%3Fobjname%3DNGC%2B5962%26extend%3Dno%26hconst%3D73%26omegam%3D0.27%26omegav%3D0.73%26corr_z%3D1%26out_csys%3DEquatorial%26out_equinox%3DJ2000.0%26obj_sort%3DRA%2Bor%2BLongitude%26of%3Dpre_text%26zv_breaker%3D30000.0%26list_limit%3D5%26img_stamp%3DYES&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASerpens" class="Z3988"> </li> <li id="cite_note-GilDePaz-116"><a href="#cite_ref-GilDePaz_116-0">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGil_De_PazBoissierMadoreSeibert2007" class="citation journal cs1">Gil De Paz, Armando; Boissier, Samuel; Madore, Barry F.; Seibert, Mark; Joe, Young H.; Boselli, Alessandro; Wyder, Ted K.; Thilker, David; Bianchi, Luciana; et al. 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"Mapping Meteoroid Orbits: New Meteor Showers Discovered". Sky & Telescope: 24.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Sky+%26+Telescope&rft.atitle=Mapping+Meteoroid+Orbits%3A+New+Meteor+Showers+Discovered&rft.pages=24&rft.date=2012-09&rft.aulast=Jenniskens&rft.aufirst=Peter&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASerpens" class="Z3988"> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2>[<a href="/w/index.php?title=Serpens&action=edit&section=12" title="Edit section: External links">edit</a>]</div> <ul><li><a rel="nofollow" class="external text" href="http://www.allthesky.com/constellations/serpens/">The Deep Photographic Guide to the Constellations: Serpens (Caput)</a></li> <li><a rel="nofollow" class="external text" href="http://astrojan.nhely.hu/serpens.htm">The clickable Serpens (Caput)</a></li> <li><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a> Media related to <a href="https://commons.wikimedia.org/wiki/Serpens" class="extiw" title="commons:Serpens">Serpens</a> at Wikimedia Commons</li> <li><a rel="nofollow" class="external text" href="https://iconographic.warburg.sas.ac.uk/category/vpc-taxonomy-017701">Warburg Institute Iconographic Database (medieval and early modern images of Serpens)</a>; more can be found under <a rel="nofollow" class="external text" href="https://iconographic.warburg.sas.ac.uk/category/vpc-taxonomy-017051">Serpentarius</a></li></ul> <div class="navbox-styles"><style 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abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Serpens" title="Template:Serpens"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Serpens" title="Template talk:Serpens"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Serpens" title="Special:EditPage/Template:Serpens"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Constellation_of_Serpens" style="font-size:114%;margin:0 4em"><a href="/wiki/Serpens_(constellation)" class="mw-redirect" title="Serpens (constellation)">Constellation of Serpens</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div> <ul><li><a href="/wiki/List_of_stars_in_Serpens" title="List of stars in Serpens">List of stars in Serpens</a></li> <li><a href="/wiki/Serpens_in_Chinese_astronomy" title="Serpens in Chinese astronomy">Serpens in Chinese astronomy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Star" title="Star">Stars</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Bayer_designation" title="Bayer designation">Bayer</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alpha_Serpentis" title="Alpha Serpentis">α (Unukalhai)</a></li> <li><a href="/wiki/Beta_Serpentis" title="Beta Serpentis">β (Chow)</a></li> <li><a href="/wiki/Gamma_Serpentis" title="Gamma Serpentis">γ (Ainalhai)</a></li> <li><a href="/wiki/Delta_Serpentis" title="Delta Serpentis">δ</a></li> <li><a href="/wiki/Epsilon_Serpentis" title="Epsilon Serpentis">ε</a></li> <li><a href="/wiki/Zeta_Serpentis" title="Zeta Serpentis">ζ</a></li> <li><a href="/wiki/Eta_Serpentis" title="Eta Serpentis">η</a></li> <li><a href="/wiki/Theta_Serpentis" title="Theta Serpentis">θ (Alya)</a></li> <li><a href="/wiki/Iota_Serpentis" title="Iota Serpentis">ι</a></li> <li><a href="/wiki/Kappa_Serpentis" title="Kappa Serpentis">κ (Gudja)</a></li> <li><a href="/wiki/Lambda_Serpentis" title="Lambda Serpentis">λ</a></li> <li><a href="/wiki/Mu_Serpentis" title="Mu Serpentis">μ</a></li> <li><a href="/wiki/Nu_Serpentis" title="Nu Serpentis">ν</a></li> <li><a href="/wiki/Xi_Serpentis" title="Xi Serpentis">ξ</a></li> <li><a href="/wiki/Omicron_Serpentis" title="Omicron Serpentis">ο</a></li> <li><a href="/wiki/Pi_Serpentis" title="Pi Serpentis">π</a></li> <li><a href="/wiki/Rho_Serpentis" title="Rho Serpentis">ρ</a></li> <li><a href="/wiki/Sigma_Serpentis" title="Sigma Serpentis">σ</a></li> <li><a href="/wiki/Tau1_Serpentis" title="Tau1 Serpentis">τ1</a></li> <li><a href="/wiki/Tau2_Serpentis" title="Tau2 Serpentis">τ2</a></li> <li><a href="/wiki/Tau3_Serpentis" title="Tau3 Serpentis">τ3</a></li> <li><a href="/wiki/Tau4_Serpentis" title="Tau4 Serpentis">τ4</a></li> <li><a href="/wiki/Tau5_Serpentis" title="Tau5 Serpentis">τ5</a></li> <li><a href="/wiki/Tau6_Serpentis" title="Tau6 Serpentis">τ6</a></li> <li><a href="/wiki/Tau7_Serpentis" title="Tau7 Serpentis">τ7</a></li> <li><a href="/wiki/Tau8_Serpentis" title="Tau8 Serpentis">τ8</a></li> <li><a href="/wiki/Upsilon_Serpentis" title="Upsilon Serpentis">υ</a></li> <li><a href="/wiki/Phi_Serpentis" title="Phi Serpentis">φ</a></li> <li><a href="/wiki/Chi_Serpentis" title="Chi Serpentis">χ</a></li> <li><a href="/wiki/Psi_Serpentis" title="Psi Serpentis">ψ</a></li> <li><a href="/wiki/Omega_Serpentis" title="Omega Serpentis">ω</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Flamsteed_designation" title="Flamsteed designation">Flamsteed</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/3_Serpentis" title="3 Serpentis">3</a></li> <li><a href="/wiki/4_Serpentis" class="mw-redirect" title="4 Serpentis">4</a></li> <li><a href="/wiki/5_Serpentis" title="5 Serpentis">5</a></li> <li><a href="/wiki/6_Serpentis" title="6 Serpentis">6</a></li> <li><a href="/wiki/7_Serpentis" class="mw-redirect" title="7 Serpentis">7</a></li> <li><a href="/wiki/8_Serpentis" class="mw-redirect" title="8 Serpentis">8</a></li> <li><a href="/wiki/10_Serpentis" title="10 Serpentis">10</a></li> <li><a href="/wiki/11_Serpentis" title="11 Serpentis">11 (A1)</a></li> <li><a href="/wiki/14_Serpentis" class="mw-redirect" title="14 Serpentis">14</a></li> <li><a href="/wiki/16_Serpentis" title="16 Serpentis">16</a></li> <li><a href="/wiki/25_Serpentis" title="25 Serpentis">25 (A2)</a></li> <li><a href="/wiki/29_Serpentis" class="mw-redirect" title="29 Serpentis">29</a></li> <li><a href="/wiki/36_Serpentis" title="36 Serpentis">36 (b)</a></li> <li><a href="/wiki/39_Serpentis" class="mw-redirect" title="39 Serpentis">39</a></li> <li><a href="/wiki/40_Serpentis" class="mw-redirect" title="40 Serpentis">40</a></li> <li><a href="/wiki/43_Serpentis" class="mw-redirect" title="43 Serpentis">43</a></li> <li><a href="/wiki/45_Serpentis" class="mw-redirect" title="45 Serpentis">45</a></li> <li><a href="/wiki/46_Serpentis" class="mw-redirect" title="46 Serpentis">46</a></li> <li><a href="/wiki/47_Serpentis" class="mw-redirect" title="47 Serpentis">47</a></li> <li><a href="/wiki/59_Serpentis" title="59 Serpentis">59 (d)</a></li> <li><a href="/wiki/60_Serpentis" title="60 Serpentis">60 (c)</a></li> <li><a href="/wiki/61_Serpentis" class="mw-redirect" title="61 Serpentis">61</a></li> <li><a href="/wiki/64_Serpentis" title="64 Serpentis">64</a></li> <li><a href="/wiki/3_Herculis" class="mw-redirect" title="3 Herculis">3 Her</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Variable_star_designation" class="mw-redirect" title="Variable star designation">Variable</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/R_Serpentis" title="R Serpentis">R</a></li> <li><a href="/wiki/W_Serpentis" title="W Serpentis">W</a></li> <li><a href="/w/index.php?title=X_Serpentis&action=edit&redlink=1" class="new" title="X Serpentis (page does not exist)">X</a></li> <li><a href="/w/index.php?title=RT_Serpentis&action=edit&redlink=1" class="new" title="RT Serpentis (page does not exist)">RT</a></li> <li><a href="/w/index.php?title=UZ_Serpentis&action=edit&redlink=1" class="new" title="UZ Serpentis (page does not exist)">UZ</a></li> <li><a href="/w/index.php?title=VV_Serpentis&action=edit&redlink=1" class="new" title="VV Serpentis (page does not exist)">VV</a></li> <li><a href="/w/index.php?title=VY_Serpentis&action=edit&redlink=1" class="new" title="VY Serpentis (page does not exist)">VY</a></li> <li><a href="/w/index.php?title=WX_Serpentis&action=edit&redlink=1" class="new" title="WX Serpentis (page does not exist)">WX</a></li> <li><a href="/w/index.php?title=AA_Serpentis&action=edit&redlink=1" class="new" title="AA Serpentis (page does not exist)">AA</a></li> <li><a href="/w/index.php?title=AN_Serpentis&action=edit&redlink=1" class="new" title="AN Serpentis (page does not exist)">AN</a></li> <li><a href="/wiki/AO_Serpentis" title="AO Serpentis">AO</a></li> <li><a href="/w/index.php?title=AP_Serpentis&action=edit&redlink=1" class="new" title="AP Serpentis (page does not exist)">AP</a></li> <li><a href="/w/index.php?title=AR_Serpentis&action=edit&redlink=1" class="new" title="AR Serpentis (page does not exist)">AR</a></li> <li><a href="/w/index.php?title=AU_Serpentis&action=edit&redlink=1" class="new" title="AU Serpentis (page does not exist)">AU</a></li> <li><a href="/w/index.php?title=BQ_Serpentis&action=edit&redlink=1" class="new" title="BQ Serpentis (page does not exist)">BQ</a></li> <li><a href="/wiki/CT_Serpentis" title="CT Serpentis">CT</a></li> <li><a href="/wiki/CV_Serpentis" title="CV Serpentis">CV</a></li> <li><a href="/w/index.php?title=CW_Serpentis&action=edit&redlink=1" class="new" title="CW Serpentis (page does not exist)">CW</a></li> <li><a href="/w/index.php?title=EG_Serpentis&action=edit&redlink=1" class="new" title="EG Serpentis (page does not exist)">EG</a></li> <li><a href="/wiki/FH_Serpentis" title="FH Serpentis">FH</a></li> <li><a href="/w/index.php?title=HD_135297&action=edit&redlink=1" class="new" title="HD 135297 (page does not exist)">FI</a></li> <li><a href="/w/index.php?title=FK_Serpentis&action=edit&redlink=1" class="new" title="FK Serpentis (page does not exist)">FK</a></li> <li><a href="/w/index.php?title=FL_Serpentis&action=edit&redlink=1" class="new" title="FL Serpentis (page does not exist)">FL</a></li> <li><a href="/w/index.php?title=FQ_Serpentis&action=edit&redlink=1" class="new" title="FQ Serpentis (page does not exist)">FQ</a></li> <li><a href="/w/index.php?title=FR_Serpentis&action=edit&redlink=1" class="new" title="FR Serpentis (page does not exist)">FR</a></li> <li><a href="/w/index.php?title=HD_134793&action=edit&redlink=1" class="new" title="HD 134793 (page does not exist)">LV</a></li> <li><a href="/w/index.php?title=LW_Serpentis&action=edit&redlink=1" class="new" title="LW Serpentis (page does not exist)">LW</a></li> <li><a href="/w/index.php?title=LX_Serpentis&action=edit&redlink=1" class="new" title="LX Serpentis (page does not exist)">LX</a></li> <li><a href="/w/index.php?title=MR_Serpentis&action=edit&redlink=1" class="new" title="MR Serpentis (page does not exist)">MR</a></li> <li><a href="/w/index.php?title=MS_Serpentis&action=edit&redlink=1" class="new" title="MS Serpentis (page does not exist)">MS</a></li> <li><a href="/w/index.php?title=MT_Serpentis&action=edit&redlink=1" class="new" title="MT Serpentis (page does not exist)">MT</a></li> <li><a href="/w/index.php?title=MV_Serpentis&action=edit&redlink=1" class="new" title="MV Serpentis (page does not exist)">MV</a></li> <li><a href="/w/index.php?title=HD_167971&action=edit&redlink=1" class="new" title="HD 167971 (page does not exist)">MY</a></li> <li><a href="/wiki/NN_Serpentis" title="NN Serpentis">NN</a></li> <li><a href="/w/index.php?title=NO_Serpentis&action=edit&redlink=1" class="new" title="NO Serpentis (page does not exist)">NO</a></li> <li><a href="/w/index.php?title=HD_144515&action=edit&redlink=1" class="new" title="HD 144515 (page does not exist)">NQ</a></li> <li><a href="/w/index.php?title=NW_Serpentis&action=edit&redlink=1" class="new" title="NW Serpentis (page does not exist)">NW</a></li> <li><a href="/w/index.php?title=OO_Serpentis&action=edit&redlink=1" class="new" title="OO Serpentis (page does not exist)">OO</a></li> <li><a href="/w/index.php?title=OU_Serpentis&action=edit&redlink=1" class="new" title="OU Serpentis (page does not exist)">OU</a></li> <li><a href="/w/index.php?title=HD_140629&action=edit&redlink=1" class="new" title="HD 140629 (page does not exist)">PS</a></li> <li><a href="/w/index.php?title=HD_171782&action=edit&redlink=1" class="new" title="HD 171782 (page does not exist)">QV</a></li> <li><a href="/w/index.php?title=HD_141690&action=edit&redlink=1" class="new" title="HD 141690 (page does not exist)">QX</a></li> <li><a href="/w/index.php?title=QY_Serpentis&action=edit&redlink=1" class="new" title="QY Serpentis (page does not exist)">QY</a></li> <li><a href="/w/index.php?title=HD_141272&action=edit&redlink=1" class="new" title="HD 141272 (page does not exist)">V382</a></li> <li><a href="/w/index.php?title=HD_166734&action=edit&redlink=1" class="new" title="HD 166734 (page does not exist)">V411</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Bright_Star_Catalogue" title="Bright Star Catalogue">HR</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=HD_135263&action=edit&redlink=1" class="new" title="HD 135263 (page does not exist)">5665</a></li> <li><a href="/w/index.php?title=HD_136028&action=edit&redlink=1" class="new" title="HD 136028 (page does not exist)">5690</a></li> <li><a href="/wiki/HD_136138" title="HD 136138">5692</a></li> <li><a href="/w/index.php?title=HD_136442&action=edit&redlink=1" class="new" title="HD 136442 (page does not exist)">5706</a></li> <li><a href="/w/index.php?title=HD_136643&action=edit&redlink=1" class="new" title="HD 136643 (page does not exist)">5711</a></li> <li><a href="/w/index.php?title=HD_137510&action=edit&redlink=1" class="new" title="HD 137510 (page does not exist)">5740</a></li> <li><a href="/w/index.php?title=HD_137853&action=edit&redlink=1" class="new" title="HD 137853 (page does not exist)">5745</a></li> <li><a href="/w/index.php?title=HD_138803&action=edit&redlink=1" class="new" title="HD 138803 (page does not exist)">5783</a></li> <li><a href="/w/index.php?title=HD_139087&action=edit&redlink=1" class="new" title="HD 139087 (page does not exist)">5796</a></li> <li><a href="/w/index.php?title=HD_139862&action=edit&redlink=1" class="new" title="HD 139862 (page does not exist)">5831</a></li> <li><a href="/w/index.php?title=HD_140438&action=edit&redlink=1" class="new" title="HD 140438 (page does not exist)">5850</a></li> <li><a href="/w/index.php?title=HD_140775&action=edit&redlink=1" class="new" title="HD 140775 (page does not exist)">5859</a></li> <li><a href="/w/index.php?title=HD_140815&action=edit&redlink=1" class="new" title="HD 140815 (page does not exist)">5861</a></li> <li><a href="/w/index.php?title=HD_141353&action=edit&redlink=1" class="new" title="HD 141353 (page does not exist)">5874</a></li> <li><a href="/w/index.php?title=HD_142244&action=edit&redlink=1" class="new" title="HD 142244 (page does not exist)">5909</a></li> <li><a href="/w/index.php?title=HD_142437&action=edit&redlink=1" class="new" title="HD 142437 (page does not exist)">5913</a></li> <li><a href="/w/index.php?title=HD_142763&action=edit&redlink=1" class="new" title="HD 142763 (page does not exist)">5931</a></li> <li><a href="/w/index.php?title=HD_144426&action=edit&redlink=1" class="new" title="HD 144426 (page does not exist)">5992</a></li> <li><a href="/w/index.php?title=HD_144889&action=edit&redlink=1" class="new" title="HD 144889 (page does not exist)">6005</a></li> <li><a href="/w/index.php?title=HD_145085&action=edit&redlink=1" class="new" title="HD 145085 (page does not exist)">6011</a></li> <li><a href="/w/index.php?title=HD_145148&action=edit&redlink=1" class="new" title="HD 145148 (page does not exist)">6014</a></li> <li><a href="/w/index.php?title=HD_145206&action=edit&redlink=1" class="new" title="HD 145206 (page does not exist)">6016</a></li> <li><a href="/w/index.php?title=HD_156971&action=edit&redlink=1" class="new" title="HD 156971 (page does not exist)">6449</a></li> <li><a href="/w/index.php?title=HR_6496&action=edit&redlink=1" class="new" title="HR 6496 (page does not exist)">6496</a></li> <li><a href="/w/index.php?title=HD_159358&action=edit&redlink=1" class="new" title="HD 159358 (page does not exist)">6544</a></li> <li><a href="/w/index.php?title=HD_159877&action=edit&redlink=1" class="new" title="HD 159877 (page does not exist)">6562</a></li> <li><a href="/w/index.php?title=HD_160018&action=edit&redlink=1" class="new" title="HD 160018 (page does not exist)">6568</a></li> <li><a href="/w/index.php?title=HD_161023&action=edit&redlink=1" class="new" title="HD 161023 (page does not exist)">6600</a></li> <li><a href="/w/index.php?title=HD_161701&action=edit&redlink=1" class="new" title="HD 161701 (page does not exist)">6620</a></li> <li><a href="/w/index.php?title=HD_162757&action=edit&redlink=1" class="new" title="HD 162757 (page does not exist)">6666</a></li> <li><a href="/w/index.php?title=HD_163336&action=edit&redlink=1" class="new" title="HD 163336 (page does not exist)">6681</a></li> <li><a href="/w/index.php?title=HD_165402&action=edit&redlink=1" class="new" title="HD 165402 (page does not exist)">6755</a></li> <li><a href="/w/index.php?title=HD_165438&action=edit&redlink=1" class="new" title="HD 165438 (page does not exist)">6756</a></li> <li><a href="/w/index.php?title=HD_165462&action=edit&redlink=1" class="new" title="HD 165462 (page does not exist)">6757</a></li> <li><a href="/w/index.php?title=HD_166103&action=edit&redlink=1" class="new" title="HD 166103 (page does not exist)">6785</a></li> <li><a href="/w/index.php?title=HD_167564&action=edit&redlink=1" class="new" title="HD 167564 (page does not exist)">6830</a></li> <li><a href="/w/index.php?title=HD_167768&action=edit&redlink=1" class="new" title="HD 167768 (page does not exist)">6840</a></li> <li><a href="/w/index.php?title=HD_167833&action=edit&redlink=1" class="new" title="HD 167833 (page does not exist)">6843</a></li> <li><a href="/w/index.php?title=HD_168415&action=edit&redlink=1" class="new" title="HD 168415 (page does not exist)">6858</a></li> <li><a href="/w/index.php?title=HD_169268&action=edit&redlink=1" class="new" title="HD 169268 (page does not exist)">6890</a></li> <li><a href="/w/index.php?title=HD_169493&action=edit&redlink=1" class="new" title="HD 169493 (page does not exist)">6898</a></li> <li><a href="/w/index.php?title=HD_170200&action=edit&redlink=1" class="new" title="HD 170200 (page does not exist)">6928</a></li> <li><a href="/wiki/HD_171978" title="HD 171978">6993 (e)</a></li> <li><a href="/w/index.php?title=HD_172088&action=edit&redlink=1" class="new" title="HD 172088 (page does not exist)">6999</a></li> <li><a href="/w/index.php?title=HD_172365&action=edit&redlink=1" class="new" title="HD 172365 (page does not exist)">7008</a></li> <li><a href="/w/index.php?title=HD_173495&action=edit&redlink=1" class="new" title="HD 173495 (page does not exist)">7048</a></li> <li><a href="/w/index.php?title=HD_173954&action=edit&redlink=1" class="new" title="HD 173954 (page does not exist)">7076</a></li> <li><a href="/w/index.php?title=HD_175679&action=edit&redlink=1" class="new" title="HD 175679 (page does not exist)">7144</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/Henry_Draper_Catalogue" title="Henry Draper Catalogue">HD</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=HD_135061&action=edit&redlink=1" class="new" title="HD 135061 (page does not exist)">135061</a></li> <li><a href="/w/index.php?title=HD_135615&action=edit&redlink=1" class="new" title="HD 135615 (page does not exist)">135615</a></li> <li><a href="/w/index.php?title=HD_136027&action=edit&redlink=1" class="new" title="HD 136027 (page does not exist)">136027</a></li> <li><a href="/wiki/HD_136118" title="HD 136118">136118</a></li> <li><a href="/w/index.php?title=HD_138085&action=edit&redlink=1" class="new" title="HD 138085 (page does not exist)">138085</a></li> <li><a href="/wiki/HD_142245" title="HD 142245">142245</a></li> <li><a href="/wiki/HD_143436" title="HD 143436">143436</a></li> <li><a href="/w/index.php?title=HD_145936&action=edit&redlink=1" class="new" title="HD 145936 (page does not exist)">145936</a></li> <li><a href="/w/index.php?title=HD_146740&action=edit&redlink=1" class="new" title="HD 146740 (page does not exist)">146740</a></li> <li><a href="/w/index.php?title=HD_157969&action=edit&redlink=1" class="new" title="HD 157969 (page does not exist)">157969</a></li> <li><a href="/w/index.php?title=HD_168112&action=edit&redlink=1" class="new" title="HD 168112 (page does not exist)">168112</a></li> <li><a href="/wiki/HD_168443" title="HD 168443">168443</a></li> <li><a href="/wiki/HD_168746" title="HD 168746">168746 (Alasia)</a></li> <li><a href="/wiki/HD_175541" title="HD 175541">175541 (Kaveh)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=ADS_9544&action=edit&redlink=1" class="new" title="ADS 9544 (page does not exist)">ADS 9544</a></li> <li><a href="/w/index.php?title=AS_296&action=edit&redlink=1" class="new" title="AS 296 (page does not exist)">AS 296</a></li> <li><a href="/wiki/CoRoT-9" class="mw-redirect" title="CoRoT-9">9</a></li> <li><a href="/wiki/CoRoT-11" class="mw-redirect" title="CoRoT-11">11</a></li> <li><a href="/wiki/CoRoT-22" class="mw-redirect" title="CoRoT-22">22</a></li> <li><a href="/wiki/CoRoT-23" title="CoRoT-23">23</a></li> <li><a href="/wiki/CoRoT-27" class="mw-redirect" title="CoRoT-27">27</a></li> <li><a href="/w/index.php?title=Gliese_701&action=edit&redlink=1" class="new" title="Gliese 701 (page does not exist)">Gliese 701</a></li> <li><a href="/wiki/Gliese_710" title="Gliese 710">Gliese 710</a></li> <li><a href="/w/index.php?title=GJ_1224&action=edit&redlink=1" class="new" title="GJ 1224 (page does not exist)">GJ 1224</a></li> <li><a href="/w/index.php?title=GX_17%2B2&action=edit&redlink=1" class="new" title="GX 17+2 (page does not exist)">GX 17+2</a></li> <li><a href="/w/index.php?title=IRAS_18418-0440&action=edit&redlink=1" class="new" title="IRAS 18418-0440 (page does not exist)">IRAS 18418-0440</a></li> <li><a href="/w/index.php?title=MWC_297&action=edit&redlink=1" class="new" title="MWC 297 (page does not exist)">MWC 297</a></li> <li><a href="/wiki/MWC_922" class="mw-redirect" title="MWC 922">MWC 922</a></li> <li><a href="/w/index.php?title=PG_1510%2B234&action=edit&redlink=1" class="new" title="PG 1510+234 (page does not exist)">PG 1510+234</a></li> <li><a href="/w/index.php?title=PG_1605%2B072&action=edit&redlink=1" class="new" title="PG 1605+072 (page does not exist)">PG 1605+072</a></li> <li><a href="/w/index.php?title=PSR_B1534%2B11&action=edit&redlink=1" class="new" title="PSR B1534+11 (page does not exist)">PSR B1534+11</a></li> <li><a href="/wiki/PSR_J1719%E2%88%921438" title="PSR J1719−1438">PSR J1719−1438</a></li> <li><a href="/wiki/Ross_508" title="Ross 508">Ross 508</a></li> <li><a href="/w/index.php?title=Serpens_FIRS_1&action=edit&redlink=1" class="new" title="Serpens FIRS 1 (page does not exist)">Serpens FIRS 1</a></li> <li><a href="/w/index.php?title=Serpens_SVS_20&action=edit&redlink=1" class="new" title="Serpens SVS 20 (page does not exist)">Serpens SVS 20</a></li> <li><a href="/w/index.php?title=Serpens_X-1&action=edit&redlink=1" class="new" title="Serpens X-1 (page does not exist)">Serpens X-1</a></li> <li><a href="/wiki/W40_IRS_1A_South" title="W40 IRS 1A South">W40 IRS 1A South</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Exoplanets" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Exoplanet" title="Exoplanet">Exoplanets</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CoRoT-9b" title="CoRoT-9b">CoRoT-9b</a></li> <li><a href="/wiki/CoRoT-11b" title="CoRoT-11b">CoRoT-11b</a></li> <li><a href="/wiki/CoRoT-22b" title="CoRoT-22b">CoRoT-22b</a></li> <li><a href="/wiki/CoRoT-23b" title="CoRoT-23b">CoRoT-23b</a></li> <li><a href="/wiki/CoRoT-27b" title="CoRoT-27b">CoRoT-27b</a></li> <li><a href="/wiki/HD_168746_b" class="mw-redirect" title="HD 168746 b">HD 168746 b (Onasilos)</a></li> <li><a href="/wiki/HD_175541_b" title="HD 175541 b">HD 175541 b (Kavian)</a></li> <li><a href="/wiki/Omega_Serpentis_b" class="mw-redirect" title="Omega Serpentis b">ω Serpentis b</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Star_cluster" title="Star cluster">Star clusters</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:70px"><a href="/wiki/New_General_Catalogue" title="New General Catalogue">NGC</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NGC_6535" title="NGC 6535">NGC 6535</a></li> <li><a href="/wiki/NGC_6539" title="NGC 6539">NGC 6539</a></li> <li><a href="/wiki/NGC_6604" title="NGC 6604">NGC 6604</a></li> <li><a href="/wiki/NGC_6605" title="NGC 6605">NGC 6605</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IC_4756" title="IC 4756">IC 4756</a></li> <li><a href="/wiki/Messier_5" title="Messier 5">Messier 5</a></li> <li><a href="/wiki/Messier_16" class="mw-redirect" title="Messier 16">Messier 16</a></li> <li><a href="/w/index.php?title=Serpens_OB2&action=edit&redlink=1" class="new" title="Serpens OB2 (page does not exist)">Serpens OB2</a></li> <li><a href="/wiki/Serpens_South" title="Serpens South">Serpens South</a></li> <li><a href="/wiki/Palomar_5" title="Palomar 5">Palomar 5</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Nebula" title="Nebula">Nebulae</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:70px">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Abell_41&action=edit&redlink=1" class="new" title="Abell 41 (page does not exist)">Abell 41</a></li> <li><a href="/wiki/Eagle_Nebula" title="Eagle Nebula">Eagle Nebula</a></li> <li><a href="/w/index.php?title=L134_(nebula)&action=edit&redlink=1" class="new" title="L134 (nebula) (page does not exist)">L134</a></li> <li><a href="/wiki/L183" title="L183">L183</a></li> <li><a href="/w/index.php?title=L483&action=edit&redlink=1" class="new" title="L483 (page does not exist)">L483</a></li> <li><a href="/w/index.php?title=Serpens_cloud&action=edit&redlink=1" class="new" title="Serpens cloud (page does not exist)">Serpens cloud</a></li> <li><a href="/wiki/Sh2-54" class="mw-redirect" title="Sh2-54">Sh2-54</a></li> <li><a href="/wiki/Westerhout_40" title="Westerhout 40">Westerhout 40</a></li> <li><a href="/wiki/Red_Square_Nebula" title="Red Square Nebula">Red Square Nebula</a></li> <li><a href="/w/index.php?title=S68_(nebula)&action=edit&redlink=1" class="new" title="S68 (nebula) (page does not exist)">S68</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:55px"><a href="/wiki/Galaxy" title="Galaxy">Galaxies</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:70px">NGC</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=NGC_5887&action=edit&redlink=1" class="new" title="NGC 5887 (page does not exist)">5887</a></li> <li><a href="/wiki/NGC_5910" title="NGC 5910">5910</a></li> <li><a href="/w/index.php?title=NGC_5911&action=edit&redlink=1" class="new" title="NGC 5911 (page does not exist)">5911</a></li> <li><a href="/w/index.php?title=NGC_5913&action=edit&redlink=1" class="new" title="NGC 5913 (page does not exist)">5913</a></li> <li><a href="/w/index.php?title=NGC_5919&action=edit&redlink=1" class="new" title="NGC 5919 (page does not exist)">5919</a></li> <li><a href="/wiki/NGC_5920" title="NGC 5920">5920</a></li> <li><a href="/wiki/NGC_5921" title="NGC 5921">5921</a></li> <li><a href="/w/index.php?title=NGC_5926&action=edit&redlink=1" class="new" title="NGC 5926 (page does not exist)">5926</a></li> <li><a href="/wiki/NGC_5928" class="mw-redirect" title="NGC 5928">5928</a></li> <li><a href="/w/index.php?title=NGC_5931&action=edit&redlink=1" class="new" title="NGC 5931 (page does not exist)">5931</a></li> <li><a href="/wiki/NGC_5936" title="NGC 5936">5936</a></li> <li><a href="/w/index.php?title=NGC_5937&action=edit&redlink=1" class="new" title="NGC 5937 (page does not exist)">5937</a></li> <li><a href="/wiki/NGC_5940" title="NGC 5940">5940</a></li> <li><a href="/w/index.php?title=NGC_5942&action=edit&redlink=1" class="new" title="NGC 5942 (page does not exist)">5942</a></li> <li><a href="/w/index.php?title=NGC_5941&action=edit&redlink=1" class="new" title="NGC 5941 (page does not exist)">5941</a></li> <li><a href="/w/index.php?title=NGC_5944&action=edit&redlink=1" class="new" title="NGC 5944 (page does not exist)">5944</a></li> <li><a href="/w/index.php?title=NGC_5951&action=edit&redlink=1" class="new" title="NGC 5951 (page does not exist)">5951</a></li> <li><a href="/wiki/NGC_5953" title="NGC 5953">5953</a></li> <li><a href="/w/index.php?title=NGC_5954&action=edit&redlink=1" class="new" title="NGC 5954 (page does not exist)">5954</a></li> <li><a href="/w/index.php?title=NGC_5952&action=edit&redlink=1" class="new" title="NGC 5952 (page does not exist)">5952</a></li> <li><a href="/w/index.php?title=NGC_5956&action=edit&redlink=1" class="new" title="NGC 5956 (page does not exist)">5956</a></li> <li><a href="/w/index.php?title=NGC_5955&action=edit&redlink=1" class="new" title="NGC 5955 (page does not exist)">5955</a></li> <li><a href="/w/index.php?title=NGC_5957&action=edit&redlink=1" class="new" title="NGC 5957 (page does not exist)">5957</a></li> <li><a href="/w/index.php?title=NGC_5960&action=edit&redlink=1" class="new" title="NGC 5960 (page does not exist)">5960</a></li> <li><a href="/wiki/NGC_5962" title="NGC 5962">5962</a></li> <li><a href="/wiki/NGC_5964" title="NGC 5964">5964</a></li> <li><a href="/wiki/NGC_5970" title="NGC 5970">5970</a></li> <li><a href="/w/index.php?title=NGC_5972&action=edit&redlink=1" class="new" title="NGC 5972 (page does not exist)">5972</a></li> <li><a href="/w/index.php?title=NGC_5975&action=edit&redlink=1" class="new" title="NGC 5975 (page does not exist)">5975</a></li> <li><a href="/w/index.php?title=NGC_5977&action=edit&redlink=1" class="new" title="NGC 5977 (page does not exist)">5977</a></li> <li><a href="/w/index.php?title=NGC_5980&action=edit&redlink=1" class="new" title="NGC 5980 (page does not exist)">5980</a></li> <li><a href="/w/index.php?title=NGC_5983&action=edit&redlink=1" class="new" title="NGC 5983 (page does not exist)">5983</a></li> <li><a href="/w/index.php?title=NGC_5984&action=edit&redlink=1" class="new" title="NGC 5984 (page does not exist)">5984</a></li> <li><a href="/wiki/NGC_5988" title="NGC 5988">5988</a></li> <li><a href="/w/index.php?title=NGC_5991&action=edit&redlink=1" class="new" title="NGC 5991 (page does not exist)">5991</a></li> <li><a href="/w/index.php?title=NGC_5990&action=edit&redlink=1" class="new" title="NGC 5990 (page does not exist)">5990</a></li> <li><a href="/w/index.php?title=NGC_5994&action=edit&redlink=1" class="new" title="NGC 5994 (page does not exist)">5994</a></li> <li><a href="/wiki/NGC_5996" title="NGC 5996">5996</a></li> <li><a href="/w/index.php?title=NGC_5997&action=edit&redlink=1" class="new" title="NGC 5997 (page does not exist)">5997</a></li> <li><a href="/w/index.php?title=NGC_6003&action=edit&redlink=1" class="new" title="NGC 6003 (page does not exist)">6003</a></li> <li><a href="/w/index.php?title=NGC_6004&action=edit&redlink=1" class="new" title="NGC 6004 (page does not exist)">6004</a></li> <li><a href="/wiki/NGC_6008" title="NGC 6008">6008</a></li> <li><a href="/w/index.php?title=NGC_6006&action=edit&redlink=1" class="new" title="NGC 6006 (page does not exist)">6006</a></li> <li><a href="/w/index.php?title=NGC_6007&action=edit&redlink=1" class="new" title="NGC 6007 (page does not exist)">6007</a></li> <li><a href="/w/index.php?title=NGC_6009&action=edit&redlink=1" class="new" title="NGC 6009 (page does not exist)">6009</a></li> <li><a href="/w/index.php?title=NGC_6012&action=edit&redlink=1" class="new" title="NGC 6012 (page does not exist)">6012</a></li> <li><a href="/w/index.php?title=NGC_6010&action=edit&redlink=1" class="new" title="NGC 6010 (page does not exist)">6010</a></li> <li><a href="/w/index.php?title=NGC_6014&action=edit&redlink=1" class="new" title="NGC 6014 (page does not exist)">6014</a></li> <li><a href="/w/index.php?title=NGC_6020&action=edit&redlink=1" class="new" title="NGC 6020 (page does not exist)">6020</a></li> <li><a href="/w/index.php?title=NGC_6017&action=edit&redlink=1" class="new" title="NGC 6017 (page does not exist)">6017</a></li> <li><a href="/w/index.php?title=NGC_6018&action=edit&redlink=1" class="new" title="NGC 6018 (page does not exist)">6018</a></li> <li><a href="/w/index.php?title=NGC_6021&action=edit&redlink=1" class="new" title="NGC 6021 (page does not exist)">6021</a></li> <li><a href="/w/index.php?title=NGC_6022&action=edit&redlink=1" class="new" title="NGC 6022 (page does not exist)">6022</a></li> <li><a href="/w/index.php?title=NGC_6023&action=edit&redlink=1" class="new" title="NGC 6023 (page does not exist)">6023</a></li> <li><a href="/wiki/NGC_6027" title="NGC 6027">6027</a></li> <li><a href="/wiki/NGC_6027a" title="NGC 6027a">6027a</a></li> <li><a href="/wiki/NGC_6027b" title="NGC 6027b">6027b</a></li> <li><a href="/wiki/NGC_6027c" title="NGC 6027c">6027c</a></li> <li><a href="/wiki/NGC_6027d" title="NGC 6027d">6027d</a></li> <li><a href="/wiki/NGC_6027e" title="NGC 6027e">6027e</a></li> <li><a href="/w/index.php?title=NGC_6029&action=edit&redlink=1" class="new" title="NGC 6029 (page does not exist)">6029</a></li> <li><a href="/w/index.php?title=NGC_6033&action=edit&redlink=1" class="new" title="NGC 6033 (page does not exist)">6033</a></li> <li><a href="/w/index.php?title=NGC_6037&action=edit&redlink=1" class="new" title="NGC 6037 (page does not exist)">6037</a></li> <li><a href="/w/index.php?title=NGC_6036&action=edit&redlink=1" class="new" title="NGC 6036 (page does not exist)">6036</a></li> <li><a href="/wiki/NGC_6051" title="NGC 6051">6051</a></li> <li><a href="/w/index.php?title=NGC_6063&action=edit&redlink=1" class="new" title="NGC 6063 (page does not exist)">6063</a></li> <li><a href="/w/index.php?title=NGC_6065&action=edit&redlink=1" class="new" title="NGC 6065 (page does not exist)">6065</a></li> <li><a href="/w/index.php?title=NGC_6066&action=edit&redlink=1" class="new" title="NGC 6066 (page does not exist)">6066</a></li> <li><a href="/w/index.php?title=NGC_6070&action=edit&redlink=1" class="new" title="NGC 6070 (page does not exist)">6070</a></li> <li><a href="/w/index.php?title=NGC_6080&action=edit&redlink=1" class="new" title="NGC 6080 (page does not exist)">6080</a></li> <li><a href="/w/index.php?title=NGC_6100&action=edit&redlink=1" class="new" title="NGC 6100 (page does not exist)">6100</a></li> <li><a href="/wiki/NGC_6118" title="NGC 6118">6118</a></li> <li><a href="/w/index.php?title=NGC_6172&action=edit&redlink=1" class="new" title="NGC 6172 (page does not exist)">6172</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=3C_317&action=edit&redlink=1" class="new" title="3C 317 (page does not exist)">317</a></li> <li><a href="/w/index.php?title=3C_318&action=edit&redlink=1" class="new" title="3C 318 (page does not exist)">318</a></li> <li><a href="/wiki/3C_321" title="3C 321">321</a></li> <li><a href="/w/index.php?title=3C_323.1&action=edit&redlink=1" class="new" title="3C 323.1 (page does not exist)">323.1</a></li> <li><a href="/w/index.php?title=3C_324&action=edit&redlink=1" class="new" title="3C 324 (page does not exist)">324</a></li> <li><a href="/w/index.php?title=3C_326&action=edit&redlink=1" class="new" title="3C 326 (page does not exist)">326</a></li> <li><a href="/w/index.php?title=Arp_72&action=edit&redlink=1" class="new" title="Arp 72 (page does not exist)">Arp 72</a></li> <li><a href="/wiki/Arp_220" title="Arp 220">Arp 220</a></li> <li><a href="/w/index.php?title=4C_11.50&action=edit&redlink=1" class="new" title="4C 11.50 (page does not exist)">4C 11.50</a></li> <li><a href="/wiki/CGCG_049-033" title="CGCG 049-033">CGCG 049-033</a></li> <li><a href="/wiki/Hoag%27s_Object" title="Hoag's Object">Hoag's Object</a></li> <li><a href="/wiki/IC_4537" title="IC 4537">IC 4537</a></li> <li><a href="/wiki/IC_4588" title="IC 4588">IC 4588</a></li> <li><a href="/w/index.php?title=IRAS_15107%2B0724&action=edit&redlink=1" class="new" title="IRAS 15107+0724 (page does not exist)">IRAS 15107+0724</a></li> <li><a href="/wiki/NRAO_530" title="NRAO 530">NRAO 530</a></li> <li><a href="/w/index.php?title=PDS_456&action=edit&redlink=1" class="new" title="PDS 456 (page does not exist)">PDS 456</a></li> <li><a href="/w/index.php?title=PG_1553%2B113&action=edit&redlink=1" class="new" title="PG 1553+113 (page does not exist)">PG 1553+113</a></li> <li><a href="/wiki/PGC_54493" title="PGC 54493">PGC 54493</a></li> <li><a href="/w/index.php?title=PKS_1546%2B027&action=edit&redlink=1" class="new" title="PKS 1546+027 (page does not exist)">PKS 1546+027</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Galaxy_clusters" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Galaxy_cluster" title="Galaxy cluster">Galaxy clusters</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Abell_2040&action=edit&redlink=1" class="new" title="Abell 2040 (page does not exist)">Abell 2040</a></li> <li><a href="/w/index.php?title=Abell_2052&action=edit&redlink=1" class="new" title="Abell 2052 (page does not exist)">Abell 2052</a></li> <li><a href="/w/index.php?title=Abell_2063&action=edit&redlink=1" class="new" title="Abell 2063 (page does not exist)">Abell 2063</a></li> <li><a href="/w/index.php?title=Abell_2107&action=edit&redlink=1" class="new" title="Abell 2107 (page does not exist)">Abell 2107</a></li> <li><a href="/w/index.php?title=AWM_4&action=edit&redlink=1" class="new" title="AWM 4 (page does not exist)">AWM 4</a></li> <li><a href="/w/index.php?title=MKW_3s&action=edit&redlink=1" class="new" title="MKW 3s (page does not exist)">MKW 3s</a></li> <li><a href="/wiki/Seyfert%27s_Sextet" title="Seyfert's Sextet">Seyfert's Sextet</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Astronomical_events" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Transient_astronomical_event" class="mw-redirect" title="Transient astronomical event">Astronomical events</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=GRB_970111&action=edit&redlink=1" class="new" title="GRB 970111 (page does not exist)">GRB 970111</a></li> <li><a href="/w/index.php?title=GRB_050813&action=edit&redlink=1" class="new" title="GRB 050813 (page does not exist)">GRB 050813</a></li> <li><a href="/w/index.php?title=GRB_060418&action=edit&redlink=1" class="new" title="GRB 060418 (page does not exist)">GRB 060418</a></li> <li><a href="/w/index.php?title=GRB_060526&action=edit&redlink=1" class="new" title="GRB 060526 (page does not exist)">GRB 060526</a></li> <li><a href="/w/index.php?title=SN_2004dk&action=edit&redlink=1" class="new" title="SN 2004dk (page does not exist)">SN 2004dk</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /> <a href="/wiki/Category:Serpens" title="Category:Serpens">Category</a></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="The_88_modern_constellations" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Constellations/modern" title="Template:Constellations/modern"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Constellations/modern" title="Template talk:Constellations/modern"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Constellations/modern" title="Special:EditPage/Template:Constellations/modern"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="The_88_modern_constellations" style="font-size:114%;margin:0 4em">The <a href="/wiki/IAU_designated_constellations" title="IAU designated constellations">88 modern constellations</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Andromeda_(constellation)" title="Andromeda (constellation)">Andromeda</a></li> <li><a href="/wiki/Antlia" title="Antlia">Antlia</a></li> <li><a href="/wiki/Apus" title="Apus">Apus</a></li> <li><a href="/wiki/Aquarius_(constellation)" title="Aquarius (constellation)">Aquarius</a></li> <li><a href="/wiki/Aquila_(constellation)" title="Aquila (constellation)">Aquila</a></li> <li><a href="/wiki/Ara_(constellation)" title="Ara (constellation)">Ara</a></li> <li><a href="/wiki/Aries_(constellation)" title="Aries (constellation)">Aries</a></li> <li><a href="/wiki/Auriga" title="Auriga">Auriga</a></li> <li><a href="/wiki/Bo%C3%B6tes" title="Boötes">Boötes</a></li> <li><a href="/wiki/Caelum" title="Caelum">Caelum</a></li> <li><a href="/wiki/Camelopardalis" title="Camelopardalis">Camelopardalis</a></li> <li><a href="/wiki/Cancer_(constellation)" title="Cancer (constellation)">Cancer</a></li> <li><a href="/wiki/Canes_Venatici" title="Canes Venatici">Canes Venatici</a></li> <li><a href="/wiki/Canis_Major" title="Canis Major">Canis Major</a></li> <li><a href="/wiki/Canis_Minor" title="Canis Minor">Canis Minor</a></li> <li><a href="/wiki/Capricornus" title="Capricornus">Capricornus</a></li> <li><a href="/wiki/Carina_(constellation)" title="Carina (constellation)">Carina</a></li> <li><a href="/wiki/Cassiopeia_(constellation)" title="Cassiopeia (constellation)">Cassiopeia</a></li> <li><a href="/wiki/Centaurus" title="Centaurus">Centaurus</a></li> <li><a href="/wiki/Cepheus_(constellation)" title="Cepheus (constellation)">Cepheus</a></li> <li><a href="/wiki/Cetus" title="Cetus">Cetus</a></li> <li><a href="/wiki/Chamaeleon" title="Chamaeleon">Chamaeleon</a></li> <li><a href="/wiki/Circinus" title="Circinus">Circinus</a></li> <li><a href="/wiki/Columba_(constellation)" title="Columba (constellation)">Columba</a></li> <li><a href="/wiki/Coma_Berenices" title="Coma Berenices">Coma Berenices</a></li> <li><a href="/wiki/Corona_Australis" title="Corona Australis">Corona Australis</a></li> <li><a href="/wiki/Corona_Borealis" title="Corona Borealis">Corona Borealis</a></li> <li><a href="/wiki/Corvus_(constellation)" title="Corvus (constellation)">Corvus</a></li> <li><a href="/wiki/Crater_(constellation)" title="Crater (constellation)">Crater</a></li> <li><a href="/wiki/Crux" title="Crux">Crux</a></li> <li><a href="/wiki/Cygnus_(constellation)" title="Cygnus (constellation)">Cygnus</a></li> <li><a href="/wiki/Delphinus" title="Delphinus">Delphinus</a></li> <li><a href="/wiki/Dorado" title="Dorado">Dorado</a></li> <li><a href="/wiki/Draco_(constellation)" title="Draco (constellation)">Draco</a></li> <li><a href="/wiki/Equuleus" title="Equuleus">Equuleus</a></li> <li><a href="/wiki/Eridanus_(constellation)" title="Eridanus (constellation)">Eridanus</a></li> <li><a href="/wiki/Fornax" title="Fornax">Fornax</a></li> <li><a href="/wiki/Gemini_(constellation)" title="Gemini (constellation)">Gemini</a></li> <li><a href="/wiki/Grus_(constellation)" title="Grus (constellation)">Grus</a></li> <li><a href="/wiki/Hercules_(constellation)" title="Hercules (constellation)">Hercules</a></li> <li><a href="/wiki/Horologium_(constellation)" title="Horologium (constellation)">Horologium</a></li> <li><a href="/wiki/Hydra_(constellation)" title="Hydra (constellation)">Hydra</a></li> <li><a href="/wiki/Hydrus" title="Hydrus">Hydrus</a></li> <li><a href="/wiki/Indus_(constellation)" title="Indus (constellation)">Indus</a></li> <li><a href="/wiki/Lacerta" title="Lacerta">Lacerta</a></li> <li><a href="/wiki/Leo_(constellation)" title="Leo (constellation)">Leo</a></li> <li><a href="/wiki/Leo_Minor" title="Leo Minor">Leo Minor</a></li> <li><a href="/wiki/Lepus_(constellation)" title="Lepus (constellation)">Lepus</a></li> <li><a href="/wiki/Libra_(constellation)" title="Libra (constellation)">Libra</a></li> <li><a href="/wiki/Lupus_(constellation)" title="Lupus (constellation)">Lupus</a></li> <li><a href="/wiki/Lynx_(constellation)" title="Lynx (constellation)">Lynx</a></li> <li><a href="/wiki/Lyra" title="Lyra">Lyra</a></li> <li><a href="/wiki/Mensa_(constellation)" title="Mensa (constellation)">Mensa</a></li> <li><a href="/wiki/Microscopium" title="Microscopium">Microscopium</a></li> <li><a href="/wiki/Monoceros" title="Monoceros">Monoceros</a></li> <li><a href="/wiki/Musca" title="Musca">Musca</a></li> <li><a href="/wiki/Norma_(constellation)" title="Norma (constellation)">Norma</a></li> <li><a href="/wiki/Octans" title="Octans">Octans</a></li> <li><a href="/wiki/Ophiuchus" title="Ophiuchus">Ophiuchus</a></li> <li><a href="/wiki/Orion_(constellation)" title="Orion (constellation)">Orion</a></li> <li><a href="/wiki/Pavo_(constellation)" title="Pavo (constellation)">Pavo</a></li> <li><a href="/wiki/Pegasus_(constellation)" title="Pegasus (constellation)">Pegasus</a></li> <li><a href="/wiki/Perseus_(constellation)" title="Perseus (constellation)">Perseus</a></li> <li><a href="/wiki/Phoenix_(constellation)" title="Phoenix (constellation)">Phoenix</a></li> <li><a href="/wiki/Pictor" title="Pictor">Pictor</a></li> <li><a href="/wiki/Pisces_(constellation)" title="Pisces (constellation)">Pisces</a></li> <li><a href="/wiki/Piscis_Austrinus" title="Piscis Austrinus">Piscis Austrinus</a></li> <li><a href="/wiki/Puppis" title="Puppis">Puppis</a></li> <li><a href="/wiki/Pyxis" title="Pyxis">Pyxis</a></li> <li><a href="/wiki/Reticulum" title="Reticulum">Reticulum</a></li> <li><a href="/wiki/Sagitta" title="Sagitta">Sagitta</a></li> <li><a href="/wiki/Sagittarius_(constellation)" title="Sagittarius (constellation)">Sagittarius</a></li> <li><a href="/wiki/Scorpius" title="Scorpius">Scorpius</a></li> <li><a href="/wiki/Sculptor_(constellation)" title="Sculptor (constellation)">Sculptor</a></li> <li><a href="/wiki/Scutum_(constellation)" title="Scutum (constellation)">Scutum</a></li> <li><a class="mw-selflink selflink">Serpens</a></li> <li><a href="/wiki/Sextans" title="Sextans">Sextans</a></li> <li><a href="/wiki/Taurus_(constellation)" title="Taurus (constellation)">Taurus</a></li> <li><a href="/wiki/Telescopium" title="Telescopium">Telescopium</a></li> <li><a href="/wiki/Triangulum" title="Triangulum">Triangulum</a></li> <li><a href="/wiki/Triangulum_Australe" title="Triangulum Australe">Triangulum Australe</a></li> <li><a href="/wiki/Tucana" title="Tucana">Tucana</a></li> <li><a href="/wiki/Ursa_Major" title="Ursa Major">Ursa Major</a></li> <li><a href="/wiki/Ursa_Minor" title="Ursa Minor">Ursa Minor</a></li> <li><a href="/wiki/Vela_(constellation)" title="Vela (constellation)">Vela</a></li> <li><a href="/wiki/Virgo_(constellation)" title="Virgo (constellation)">Virgo</a></li> <li><a href="/wiki/Volans" title="Volans">Volans</a></li> <li><a href="/wiki/Vulpecula" title="Vulpecula">Vulpecula</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/Lists_of_constellations" title="Lists of constellations">Lists of constellations</a></li></ul> </div></td></tr></tbody></table></div><div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"></div><div role="navigation" class="navbox" aria-labelledby="Constellation_history" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Constellations/historic" title="Template:Constellations/historic"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Constellations/historic" title="Template talk:Constellations/historic"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Constellations/historic" title="Special:EditPage/Template:Constellations/historic"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Constellation_history" style="font-size:114%;margin:0 4em">Constellation history</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks hlist mw-collapsible autocollapse navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="background: #ddf;"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Constellations/historic/ptolemaic" title="Template:Constellations/historic/ptolemaic"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Constellations/historic/ptolemaic" title="Template talk:Constellations/historic/ptolemaic"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Constellations/historic/ptolemaic" title="Special:EditPage/Template:Constellations/historic/ptolemaic"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="48_constellations_listed_by_Ptolemy_after_150_AD" style="font-size:114%;margin:0 4em">48 constellations listed by <a href="/wiki/Ptolemy" title="Ptolemy">Ptolemy</a> after 150 AD</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Andromeda_(constellation)" title="Andromeda (constellation)">Andromeda</a></li> <li><a href="/wiki/Aquarius_(constellation)" title="Aquarius (constellation)">Aquarius</a></li> <li><a href="/wiki/Aquila_(constellation)" title="Aquila (constellation)">Aquila</a></li> <li><a href="/wiki/Ara_(constellation)" title="Ara (constellation)">Ara</a></li> <li><a href="/wiki/Argo_Navis" title="Argo Navis">Argo Navis</a></li> <li><a href="/wiki/Aries_(constellation)" title="Aries (constellation)">Aries</a></li> <li><a href="/wiki/Auriga" title="Auriga">Auriga</a></li> <li><a href="/wiki/Bo%C3%B6tes" title="Boötes">Boötes</a></li> <li><a href="/wiki/Cancer_(constellation)" title="Cancer (constellation)">Cancer</a></li> <li><a href="/wiki/Canis_Major" title="Canis Major">Canis Major</a></li> <li><a href="/wiki/Canis_Minor" title="Canis Minor">Canis Minor</a></li> <li><a href="/wiki/Capricornus" title="Capricornus">Capricornus</a></li> <li><a href="/wiki/Cassiopeia_(constellation)" title="Cassiopeia (constellation)">Cassiopeia</a></li> <li><a href="/wiki/Centaurus" title="Centaurus">Centaurus</a></li> <li><a href="/wiki/Cepheus_(constellation)" title="Cepheus (constellation)">Cepheus</a></li> <li><a href="/wiki/Cetus" title="Cetus">Cetus</a></li> <li><a href="/wiki/Corona_Australis" title="Corona Australis">Corona Australis</a></li> <li><a href="/wiki/Corona_Borealis" title="Corona Borealis">Corona Borealis</a></li> <li><a href="/wiki/Corvus_(constellation)" title="Corvus (constellation)">Corvus</a></li> <li><a href="/wiki/Crater_(constellation)" title="Crater (constellation)">Crater</a></li> <li><a href="/wiki/Cygnus_(constellation)" title="Cygnus (constellation)">Cygnus</a></li> <li><a href="/wiki/Delphinus" title="Delphinus">Delphinus</a></li> <li><a href="/wiki/Draco_(constellation)" title="Draco (constellation)">Draco</a></li> <li><a href="/wiki/Equuleus" title="Equuleus">Equuleus</a></li> <li><a href="/wiki/Eridanus_(constellation)" title="Eridanus (constellation)">Eridanus</a></li> <li><a href="/wiki/Gemini_(constellation)" title="Gemini (constellation)">Gemini</a></li> <li><a href="/wiki/Hercules_(constellation)" title="Hercules (constellation)">Hercules</a></li> <li><a href="/wiki/Hydra_(constellation)" title="Hydra (constellation)">Hydra</a></li> <li><a href="/wiki/Leo_(constellation)" title="Leo (constellation)">Leo</a></li> <li><a href="/wiki/Lepus_(constellation)" title="Lepus (constellation)">Lepus</a></li> <li><a href="/wiki/Libra_(constellation)" title="Libra (constellation)">Libra</a></li> <li><a href="/wiki/Lupus_(constellation)" title="Lupus (constellation)">Lupus</a></li> <li><a href="/wiki/Lyra" title="Lyra">Lyra</a></li> <li><a href="/wiki/Ophiuchus" title="Ophiuchus">Ophiuchus</a></li> <li><a href="/wiki/Orion_(constellation)" title="Orion (constellation)">Orion</a></li> <li><a href="/wiki/Pegasus_(constellation)" title="Pegasus (constellation)">Pegasus</a></li> <li><a href="/wiki/Perseus_(constellation)" title="Perseus (constellation)">Perseus</a></li> <li><a href="/wiki/Pisces_(constellation)" title="Pisces (constellation)">Pisces</a></li> <li><a href="/wiki/Piscis_Austrinus" title="Piscis Austrinus">Piscis Austrinus</a></li> <li><a href="/wiki/Sagitta" title="Sagitta">Sagitta</a></li> <li><a href="/wiki/Sagittarius_(constellation)" title="Sagittarius (constellation)">Sagittarius</a></li> <li><a href="/wiki/Scorpius" title="Scorpius">Scorpius</a></li> <li><a class="mw-selflink selflink">Serpens</a></li> <li><a href="/wiki/Taurus_(constellation)" title="Taurus (constellation)">Taurus</a></li> <li><a href="/wiki/Triangulum" title="Triangulum">Triangulum</a></li> <li><a href="/wiki/Ursa_Major" title="Ursa Major">Ursa Major</a></li> <li><a href="/wiki/Ursa_Minor" title="Ursa Minor">Ursa Minor</a></li> <li><a href="/wiki/Virgo_(constellation)" title="Virgo (constellation)">Virgo</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background:#ffe"><div><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /> <a href="/wiki/Category:Constellations_listed_by_Ptolemy" title="Category:Constellations listed by Ptolemy">Category</a></div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="background: #ddf;"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Constellations/historic/modern" title="Template:Constellations/historic/modern"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Constellations/historic/modern" title="Template talk:Constellations/historic/modern"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Constellations/historic/modern" title="Special:EditPage/Template:Constellations/historic/modern"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="The_41_additional_constellations_added_in_the_16th,_17th_and_18th_centuries" style="font-size:114%;margin:0 4em">The 41 additional constellations added in the 16th, 17th and 18th centuries</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Vespucci or Corsalius early 16c: <a href="/wiki/Crux" title="Crux">Crux</a></li> <li><a href="/wiki/Triangulum_Australe" title="Triangulum Australe">Triangulum Australe</a></li> <li>Vopel 1536: <a href="/wiki/Coma_Berenices" title="Coma Berenices">Coma Berenices</a></li> <li>Keyser & de Houtman 1596: <a href="/wiki/Apus" title="Apus">Apus</a></li> <li><a href="/wiki/Chamaeleon" title="Chamaeleon">Chamaeleon</a></li> <li><a href="/wiki/Dorado" title="Dorado">Dorado</a></li> <li><a href="/wiki/Grus_(constellation)" title="Grus (constellation)">Grus</a></li> <li><a href="/wiki/Hydrus" title="Hydrus">Hydrus</a></li> <li><a href="/wiki/Indus_(constellation)" title="Indus (constellation)">Indus</a></li> <li><a href="/wiki/Musca" title="Musca">Musca</a></li> <li><a href="/wiki/Pavo_(constellation)" title="Pavo (constellation)">Pavo</a></li> <li><a href="/wiki/Phoenix_(constellation)" title="Phoenix (constellation)">Phoenix</a></li> <li><a href="/wiki/Tucana" title="Tucana">Tucana</a></li> <li><a href="/wiki/Volans" title="Volans">Volans</a></li> <li>Plancius 1613: <a href="/wiki/Camelopardalis" title="Camelopardalis">Camelopardalis</a></li> <li><a href="/wiki/Columba_(constellation)" title="Columba (constellation)">Columba</a></li> <li><a href="/wiki/Monoceros" title="Monoceros">Monoceros</a></li> <li>Habrecht 1621: <a href="/wiki/Reticulum" title="Reticulum">Reticulum</a></li> <li>Hevelius 1683: <a href="/wiki/Canes_Venatici" title="Canes Venatici">Canes Venatici</a></li> <li><a href="/wiki/Lacerta" title="Lacerta">Lacerta</a></li> <li><a href="/wiki/Leo_Minor" title="Leo Minor">Leo Minor</a></li> <li><a href="/wiki/Lynx_(constellation)" title="Lynx (constellation)">Lynx</a></li> <li><a href="/wiki/Scutum_(constellation)" title="Scutum (constellation)">Scutum</a></li> <li><a href="/wiki/Sextans" title="Sextans">Sextans</a></li> <li><a href="/wiki/Vulpecula" title="Vulpecula">Vulpecula</a></li> <li>de Lacaille 1763: <a href="/wiki/Antlia" title="Antlia">Antlia</a></li> <li><a href="/wiki/Caelum" title="Caelum">Caelum</a></li> <li><a href="/wiki/Carina_(constellation)" title="Carina (constellation)">Carina</a></li> <li><a href="/wiki/Circinus" title="Circinus">Circinus</a></li> <li><a href="/wiki/Fornax" title="Fornax">Fornax</a></li> <li><a href="/wiki/Horologium_(constellation)" title="Horologium (constellation)">Horologium</a></li> <li><a href="/wiki/Mensa_(constellation)" title="Mensa (constellation)">Mensa</a></li> <li><a href="/wiki/Microscopium" title="Microscopium">Microscopium</a></li> <li><a href="/wiki/Norma_(constellation)" title="Norma (constellation)">Norma</a></li> <li><a href="/wiki/Octans" title="Octans">Octans</a></li> <li><a href="/wiki/Pictor" title="Pictor">Pictor</a></li> <li><a href="/wiki/Puppis" title="Puppis">Puppis</a></li> <li><a href="/wiki/Pyxis" title="Pyxis">Pyxis</a></li> <li><a href="/wiki/Sculptor_(constellation)" title="Sculptor (constellation)">Sculptor</a></li> <li><a href="/wiki/Telescopium" title="Telescopium">Telescopium</a></li> <li><a href="/wiki/Vela_(constellation)" title="Vela (constellation)">Vela</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="background: #ddf;"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Constellations/historic/obsolete" title="Template:Constellations/historic/obsolete"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Constellations/historic/obsolete" title="Template talk:Constellations/historic/obsolete"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Constellations/historic/obsolete" title="Special:EditPage/Template:Constellations/historic/obsolete"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Obsolete_constellations_(including_Ptolemy&#039;s_Argo_Navis)" style="font-size:114%;margin:0 4em"><a href="/wiki/Former_constellations" title="Former constellations">Obsolete constellations</a> (including Ptolemy's Argo Navis)</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anguilla_(constellation)" class="mw-redirect" title="Anguilla (constellation)">Anguilla</a></li> <li><a href="/wiki/Anser_(constellation)" class="mw-redirect" title="Anser (constellation)">Anser</a></li> <li><a href="/wiki/Antinous_(constellation)" title="Antinous (constellation)">Antinous</a></li> <li><a href="/wiki/Apes_(constellation)" class="mw-redirect" title="Apes (constellation)">Apes</a></li> <li><a href="/wiki/Aranea_(constellation)" class="mw-redirect" title="Aranea (constellation)">Aranea</a></li> <li><a href="/wiki/Argo_Navis" title="Argo Navis">Argo Navis</a></li> <li><a href="/wiki/Asterion_(constellation)" class="mw-redirect" title="Asterion (constellation)">Asterion</a></li> <li><a href="/wiki/Bufo_(constellation)" class="mw-redirect" title="Bufo (constellation)">Bufo</a></li> <li><a href="/wiki/Cancer_Minor" title="Cancer Minor">Cancer Minor</a></li> <li><a href="/wiki/Cerberus_(constellation)" title="Cerberus (constellation)">Cerberus</a></li> <li><a href="/wiki/Chara_(constellation)" class="mw-redirect" title="Chara (constellation)">Chara</a></li> <li><a href="/wiki/Custos_Messium" title="Custos Messium">Custos Messium</a></li> <li><a href="/wiki/Felis_(constellation)" title="Felis (constellation)">Felis</a></li> <li><a href="/wiki/Honores_Friderici" title="Honores Friderici">Honores Friderici/Gloria Frederici</a></li> <li><a href="/wiki/Gallus_(constellation)" title="Gallus (constellation)">Gallus</a></li> <li><a href="/wiki/Globus_Aerostaticus" title="Globus Aerostaticus">Globus Aerostaticus</a></li> <li><a href="/wiki/Hippocampus_(constellation)" class="mw-redirect" title="Hippocampus (constellation)">Hippocampus</a></li> <li><a href="/wiki/Hirudo_(constellation)" class="mw-redirect" title="Hirudo (constellation)">Hirudo</a></li> <li><a href="/wiki/Jordanus_(constellation)" title="Jordanus (constellation)">Jordanus</a></li> <li><a href="/wiki/Leo_Palatinus" title="Leo Palatinus">Leo Palatinus</a></li> <li><a href="/wiki/Lilium_(constellation)" class="mw-redirect" title="Lilium (constellation)">Lilium</a></li> <li><a href="/w/index.php?title=Limax_(constellation)&action=edit&redlink=1" class="new" title="Limax (constellation) (page does not exist)">Limax</a></li> <li><a href="/wiki/Lochium_Funis" title="Lochium Funis">Lochium Funis</a></li> <li><a href="/w/index.php?title=Lumbricus_(constellation)&action=edit&redlink=1" class="new" title="Lumbricus (constellation) (page does not exist)">Lumbricus</a></li> <li><a href="/wiki/Machina_Electrica" title="Machina Electrica">Machina Electrica</a></li> <li><a href="/wiki/Malus_(constellation)" title="Malus (constellation)">Malus</a></li> <li><a href="/w/index.php?title=Manis_(constellation)&action=edit&redlink=1" class="new" title="Manis (constellation) (page does not exist)">Manis</a></li> <li><a href="/wiki/Mons_Maenalus" title="Mons Maenalus">Mons Maenalus</a></li> <li><a href="/wiki/Musca_Borealis" title="Musca Borealis">Musca Borealis</a></li> <li><a href="/wiki/Noctua_(constellation)" title="Noctua (constellation)">Noctua</a></li> <li><a href="/wiki/Officina_Typographica" title="Officina Typographica">Officina Typographica</a></li> <li><a href="/w/index.php?title=Patella_(constellation)&action=edit&redlink=1" class="new" title="Patella (constellation) (page does not exist)">Patella</a></li> <li><a href="/w/index.php?title=Phaethon_(constellation)&action=edit&redlink=1" class="new" title="Phaethon (constellation) (page does not exist)">Phaethon</a></li> <li><a href="/wiki/Polophylax" title="Polophylax">Polophylax</a></li> <li><a href="/wiki/Psalterium_Georgii" title="Psalterium Georgii">Psalterium Georgianum/Harpa Georgii</a></li> <li><a href="/wiki/Quadrans_Muralis" title="Quadrans Muralis">Quadrans Muralis</a></li> <li><a href="/wiki/Ramus_Pomifer" title="Ramus Pomifer">Ramus Pomifer</a></li> <li><a href="/wiki/Robur_Carolinum" title="Robur Carolinum">Robur Carolinum</a></li> <li><a href="/w/index.php?title=Rosa_(constellation)&action=edit&redlink=1" class="new" title="Rosa (constellation) (page does not exist)">Rosa</a></li> <li><a href="/w/index.php?title=Scarabaeus_(constellation)&action=edit&redlink=1" class="new" title="Scarabaeus (constellation) (page does not exist)">Scarabaeus</a></li> <li><a href="/wiki/Sceptrum_Brandenburgicum" title="Sceptrum Brandenburgicum">Sceptrum Brandenburgicum</a></li> <li><a href="/wiki/Sceptrum_et_Manus_Iustitiae" title="Sceptrum et Manus Iustitiae">Sceptrum et Manus Iustitiae</a></li> <li><a href="/wiki/Solarium_(constellation)" title="Solarium (constellation)">Solarium</a></li> <li><a href="/wiki/Rangifer_(constellation)" title="Rangifer (constellation)">Tarandus/Rangifer</a></li> <li><a href="/wiki/Taurus_Poniatovii" title="Taurus Poniatovii">Taurus Poniatovii</a></li> <li><a href="/wiki/Telescopium_Herschelii" title="Telescopium Herschelii">Telescopium Herschelii</a></li> <li><a href="/wiki/Pisces_(constellation)#History_and_Mythology" title="Pisces (constellation)">Testudo</a></li> <li><a href="/wiki/River_Tigris_(constellation)" title="River Tigris (constellation)">Tigris</a></li> <li><a href="/wiki/Triangulum_Minus" title="Triangulum Minus">Triangulum Minus</a></li> <li><a href="/wiki/Turdus_Solitarius" title="Turdus Solitarius">Turdus Solitarius</a></li> <li><a href="/wiki/Vespa_(constellation)" class="mw-redirect" title="Vespa (constellation)">Vespa</a></li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0;background: #ddf;"><div style="padding:0 0.25em"> <ul><li>obsolete constellation names</li></ul> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Musca#History" title="Musca">Apis</a></li> <li><a href="/wiki/Grus_(constellation)" title="Grus (constellation)">Phoenicopterus</a></li> <li><a href="/wiki/Ophiuchus" title="Ophiuchus">Serpentarius</a></li> <li><a href="/wiki/Dorado" title="Dorado">Xiphias</a></li> <li><a href="/wiki/Lyra" title="Lyra">Vultur cadens</a></li> <li><a href="/wiki/Aquila_(constellation)#History" title="Aquila (constellation)">Vultur volans</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <style 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.portal-bar{font-size:88%;font-weight:bold;display:flex;flex-flow:column wrap;align-items:baseline}.mw-parser-output .portal-bar-header{text-align:center;flex:0;padding-left:0.5em;margin:0 auto}.mw-parser-output .portal-bar-related{font-size:100%;align-items:flex-start}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;align-items:center;flex:0;column-gap:1em;border-top:1px solid #a2a9b1;margin:0 auto;list-style:none}.mw-parser-output .portal-bar-content-related{border-top:none;margin:0;list-style:none}}.mw-parser-output .navbox+link+.portal-bar,.mw-parser-output .navbox+style+.portal-bar,.mw-parser-output .navbox+link+.portal-bar-bordered,.mw-parser-output .navbox+style+.portal-bar-bordered,.mw-parser-output .sister-bar+link+.portal-bar,.mw-parser-output .sister-bar+style+.portal-bar,.mw-parser-output .portal-bar+.navbox-styles+.navbox,.mw-parser-output .portal-bar+.navbox-styles+.sister-bar{margin-top:-1px}</style><div class="portal-bar noprint metadata noviewer 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