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class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Sivusto"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Sisällysluettelo" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Sisällysluettelo</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">siirrä sivupalkkiin</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">piilota</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Johdanto</div> </a> </li> <li id="toc-Katso_myös" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Katso_myös"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Katso myös</span> </div> </a> <ul id="toc-Katso_myös-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kirjallisuutta" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kirjallisuutta"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Kirjallisuutta</span> </div> </a> <ul id="toc-Kirjallisuutta-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Aiheesta_muualla" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Aiheesta_muualla"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Aiheesta muualla</span> </div> </a> <ul id="toc-Aiheesta_muualla-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="Sisällysluettelo" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Sisällysluettelo" > <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="Vaihda sisällysluettelo" > <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" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Vaihda sisällysluettelo</span> </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"><span class="mw-page-title-main">Tähtikartta</span></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 mw-interlanguage-selector" aria-label="Mene artikkeliin toisella kielellä. Saatavilla 49 kielellä" > <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-49" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">49 kieltä</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AE%D8%A7%D8%B1%D8%B7%D8%A9_%D8%A7%D9%84%D9%86%D8%AC%D9%88%D9%85" title="خارطة النجوم — arabia" lang="ar" hreflang="ar" data-title="خارطة النجوم" data-language-autonym="العربية" data-language-local-name="arabia" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Carta_estelar" title="Carta estelar — asturia" lang="ast" hreflang="ast" data-title="Carta estelar" data-language-autonym="Asturianu" data-language-local-name="asturia" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Peta_bintang" title="Peta bintang — indonesia" lang="id" hreflang="id" data-title="Peta bintang" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesia" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%99%D0%BE%D0%BD%D0%B4%D0%BE%D2%99%D2%99%D0%B0%D1%80_%D0%BA%D0%B0%D1%80%D1%82%D0%B0%D2%BB%D1%8B" title="Йондоҙҙар картаһы — baškiiri" lang="ba" hreflang="ba" data-title="Йондоҙҙар картаһы" data-language-autonym="Башҡортса" data-language-local-name="baškiiri" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%97%D0%B2%D0%B5%D0%B7%D0%B4%D0%BD%D0%B0_%D0%BA%D0%B0%D1%80%D1%82%D0%B0" title="Звездна карта — bulgaria" lang="bg" hreflang="bg" data-title="Звездна карта" data-language-autonym="Български" data-language-local-name="bulgaria" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Carta_celeste" title="Carta celeste — katalaani" lang="ca" hreflang="ca" data-title="Carta celeste" data-language-autonym="Català" data-language-local-name="katalaani" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Hv%C4%9Bzdn%C3%A1_mapa" title="Hvězdná mapa — tšekki" lang="cs" hreflang="cs" data-title="Hvězdná mapa" data-language-autonym="Čeština" data-language-local-name="tšekki" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Sternkarte" title="Sternkarte — saksa" lang="de" hreflang="de" data-title="Sternkarte" data-language-autonym="Deutsch" data-language-local-name="saksa" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Star_chart" title="Star chart — englanti" lang="en" hreflang="en" data-title="Star chart" data-language-autonym="English" data-language-local-name="englanti" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Carta_estelar" title="Carta estelar — espanja" lang="es" hreflang="es" data-title="Carta estelar" data-language-autonym="Español" data-language-local-name="espanja" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Stela_mapo" title="Stela mapo — esperanto" lang="eo" hreflang="eo" data-title="Stela mapo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Izar-mapa" title="Izar-mapa — baski" lang="eu" hreflang="eu" data-title="Izar-mapa" data-language-autonym="Euskara" data-language-local-name="baski" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%86%D9%82%D8%B4%D9%87_%D8%A2%D8%B3%D9%85%D8%A7%D9%86" title="نقشه آسمان — persia" lang="fa" hreflang="fa" data-title="نقشه آسمان" data-language-autonym="فارسی" data-language-local-name="persia" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Carta_celeste" title="Carta celeste — galicia" lang="gl" hreflang="gl" data-title="Carta celeste" data-language-autonym="Galego" data-language-local-name="galicia" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%84%B1%EB%8F%84_(%EC%B2%9C%EB%AC%B8%ED%95%99)" title="성도 (천문학) — korea" lang="ko" hreflang="ko" data-title="성도 (천문학)" data-language-autonym="한국어" data-language-local-name="korea" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B1%D5%BD%D5%BF%D5%B2%D5%A1%D5%B5%D5%AB%D5%B6_%D6%84%D5%A1%D6%80%D5%BF%D5%A5%D5%A6%D5%A1%D5%A3%D5%AB%D6%80%D6%84" title="Աստղային քարտեզագիրք — armenia" lang="hy" hreflang="hy" data-title="Աստղային քարտեզագիրք" data-language-autonym="Հայերեն" data-language-local-name="armenia" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Karta_zvjezdanog_neba" title="Karta zvjezdanog neba — kroatia" lang="hr" hreflang="hr" data-title="Karta zvjezdanog neba" data-language-autonym="Hrvatski" data-language-local-name="kroatia" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Carta_celeste" title="Carta celeste — italia" lang="it" hreflang="it" data-title="Carta celeste" data-language-autonym="Italiano" data-language-local-name="italia" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A4%D7%AA_%D7%9B%D7%95%D7%9B%D7%91%D7%99%D7%9D" title="מפת כוכבים — heprea" lang="he" hreflang="he" data-title="מפת כוכבים" data-language-autonym="עברית" data-language-local-name="heprea" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%96%D2%B1%D0%BB%D0%B4%D1%8B%D0%B7%D0%B4%D1%8B%D2%9B_%D0%BA%D0%B0%D1%80%D1%82%D0%B0%D0%BB%D0%B0%D1%80" title="Жұлдыздық карталар — kazakki" lang="kk" hreflang="kk" data-title="Жұлдыздық карталар" data-language-autonym="Қазақша" data-language-local-name="kazakki" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Ramani_ya_nyota" title="Ramani ya nyota — swahili" lang="sw" hreflang="sw" data-title="Ramani ya nyota" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Zvaig%C5%BE%C5%86u_karte" title="Zvaigžņu karte — latvia" lang="lv" hreflang="lv" data-title="Zvaigžņu karte" data-language-autonym="Latviešu" data-language-local-name="latvia" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/St%C3%A4rekaart" title="Stärekaart — luxemburg" lang="lb" hreflang="lb" data-title="Stärekaart" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburg" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/%C5%BDvaig%C5%BEd%C4%97lapis" title="Žvaigždėlapis — liettua" lang="lt" hreflang="lt" data-title="Žvaigždėlapis" data-language-autonym="Lietuvių" data-language-local-name="liettua" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Csillagt%C3%A9rk%C3%A9p" title="Csillagtérkép — unkari" lang="hu" hreflang="hu" data-title="Csillagtérkép" data-language-autonym="Magyar" data-language-local-name="unkari" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%85%D0%B2%D0%B5%D0%B7%D0%B4%D0%B5%D0%BD%D0%B0_%D0%BA%D0%B0%D1%80%D1%82%D0%B0" title="Ѕвездена карта — makedonia" lang="mk" hreflang="mk" data-title="Ѕвездена карта" data-language-autonym="Македонски" data-language-local-name="makedonia" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Sterrenkaart" title="Sterrenkaart — hollanti" lang="nl" hreflang="nl" data-title="Sterrenkaart" data-language-autonym="Nederlands" data-language-local-name="hollanti" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%98%9F%E5%9B%B3" title="星図 — japani" lang="ja" hreflang="ja" data-title="星図" data-language-autonym="日本語" data-language-local-name="japani" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Stjernekart" title="Stjernekart — norjan bokmål" lang="nb" hreflang="nb" data-title="Stjernekart" data-language-autonym="Norsk bokmål" data-language-local-name="norjan bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Stjernekart" title="Stjernekart — norjan nynorsk" lang="nn" hreflang="nn" data-title="Stjernekart" data-language-autonym="Norsk nynorsk" data-language-local-name="norjan nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Carta_estellara" title="Carta estellara — oksitaani" lang="oc" hreflang="oc" data-title="Carta estellara" data-language-autonym="Occitan" data-language-local-name="oksitaani" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Yulduz_xaritalari" title="Yulduz xaritalari — uzbekki" lang="uz" hreflang="uz" data-title="Yulduz xaritalari" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekki" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Mapa_nieba" title="Mapa nieba — puola" lang="pl" hreflang="pl" data-title="Mapa nieba" data-language-autonym="Polski" data-language-local-name="puola" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Carta_celeste" title="Carta celeste — portugali" lang="pt" hreflang="pt" data-title="Carta celeste" data-language-autonym="Português" data-language-local-name="portugali" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Harta_cerului" title="Harta cerului — romania" lang="ro" hreflang="ro" data-title="Harta cerului" data-language-autonym="Română" data-language-local-name="romania" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%97%D0%B2%D1%91%D0%B7%D0%B4%D0%BD%D0%B0%D1%8F_%D0%BA%D0%B0%D1%80%D1%82%D0%B0" title="Звёздная карта — venäjä" lang="ru" hreflang="ru" data-title="Звёздная карта" data-language-autonym="Русский" data-language-local-name="venäjä" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Star_chart" title="Star chart — Simple English" lang="en-simple" hreflang="en-simple" data-title="Star chart" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Hviezdna_mapa" title="Hviezdna mapa — slovakki" lang="sk" hreflang="sk" data-title="Hviezdna mapa" data-language-autonym="Slovenčina" data-language-local-name="slovakki" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Zvezdna_karta" title="Zvezdna karta — sloveeni" lang="sl" hreflang="sl" data-title="Zvezdna karta" data-language-autonym="Slovenščina" data-language-local-name="sloveeni" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%97%D0%B2%D0%B5%D0%B7%D0%B4%D0%B0%D0%BD%D0%B0_%D0%BC%D0%B0%D0%BF%D0%B0" title="Звездана мапа — serbia" lang="sr" hreflang="sr" data-title="Звездана мапа" data-language-autonym="Српски / srpski" data-language-local-name="serbia" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Nebeska_karta" title="Nebeska karta — serbokroaatti" lang="sh" hreflang="sh" data-title="Nebeska karta" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroaatti" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Stj%C3%A4rnkarta" title="Stjärnkarta — ruotsi" lang="sv" hreflang="sv" data-title="Stjärnkarta" data-language-autonym="Svenska" data-language-local-name="ruotsi" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/B%E1%BA%A3n_%C4%91%E1%BB%93_sao" title="Bản đồ sao — vietnam" lang="vi" hreflang="vi" data-title="Bản đồ sao" data-language-autonym="Tiếng Việt" data-language-local-name="vietnam" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Y%C4%B1ld%C4%B1z_haritas%C4%B1_(astronomi)" title="Yıldız haritası (astronomi) — turkki" lang="tr" hreflang="tr" data-title="Yıldız haritası (astronomi)" 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<div id="siteSub" class="noprint">Wikipediasta</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="fi" dir="ltr"><figure typeof="mw:File/Thumb"><a href="/wiki/Tiedosto:Planisph%C3%A6ri_c%C5%93leste.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Planisph%C3%A6ri_c%C5%93leste.jpg/250px-Planisph%C3%A6ri_c%C5%93leste.jpg" decoding="async" width="250" height="171" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Planisph%C3%A6ri_c%C5%93leste.jpg/375px-Planisph%C3%A6ri_c%C5%93leste.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/75/Planisph%C3%A6ri_c%C5%93leste.jpg/500px-Planisph%C3%A6ri_c%C5%93leste.jpg 2x" data-file-width="5812" data-file-height="3972" /></a><figcaption>Hollantilaisen <a href="/w/index.php?title=Frederik_de_Wit&action=edit&redlink=1" class="new" title="Frederik de Wit (sivua ei ole)">Frederik de Wit’in</a> tähtikartta 1600-luvulta.</figcaption></figure> <p><b>Tähtikartta</b> tai <b>tähtikartasto</b> on <a href="/wiki/Kartta" title="Kartta">kartta</a> tähtitaivaasta. </p><p>Koska tähtikartta kuvaa katsojan yläpuolista taivasta, ilmansuunnat itä ja länsi esitetään tähtikartassa päinvastoin kuin tavallisessa kartassa. </p><p>Tähtikartassa erikokoiset pisteet kuvaavat taivaalla näkyviä kohteita, joita ovat <a href="/wiki/Aurinkokunta" title="Aurinkokunta">aurinkokuntamme</a> <a href="/wiki/Planeetta" title="Planeetta">planeetat</a>, kaukaisemmat <a href="/wiki/T%C3%A4hti" title="Tähti">tähdet</a>, <a href="/wiki/Galaksi" title="Galaksi">galaksit</a> ja niin edelleen. Suurempi piste ei tarkoita sitä, että kohde todella näkyisi suurempana tai se olisi fyysisesti suurempi, vaan kohde on kirkkaampi (vrt. <a href="/wiki/Magnitudi_(t%C3%A4htitiede)" title="Magnitudi (tähtitiede)">magnitudi</a>). </p><p>Tähtikarttaan liitetään <a href="/wiki/Koordinaatti" class="mw-redirect" title="Koordinaatti">koordinaatit</a> ja kellonaika, jotka kertovat, missä kohtaa <a href="/wiki/Maapallo" class="mw-redirect" title="Maapallo">maapalloa</a> tähtitaivas on kartan mukainen. Tähtikartan koordinaatit ovat yleensä <a href="/wiki/Rektaskensio" title="Rektaskensio">rektaskensio</a> ja deklinaatio. </p><p>Karttaan merkitään yleensä <a href="/wiki/T%C3%A4hdist%C3%B6" title="Tähdistö">tähdistöt</a> yhdistämällä samaan tähdistöön kuuluvat tähdet viivoin, kuten <a href="/wiki/Orion_(t%C3%A4hdist%C3%B6)" title="Orion (tähdistö)">Orionin tähdistön</a> tähtikuvio. Koska tähdistöt ovat yleensä saaneet nimensä eläinten tai mytologisten henkilöiden mukaan, on vanhoissa tähtikartoissa usein esiintynyt myös näiden kuvia. </p><p>Kartassa voi myös olla muita viivoja, kuten <a href="/wiki/Ekliptika" title="Ekliptika">ekliptika</a>, <a href="/wiki/Taivaanekvaattori" title="Taivaanekvaattori">taivaanekvaattori</a>, ja karttatyypistä riippuen myös <a href="/wiki/Horisontti" title="Horisontti">horisontti</a>. </p><p>Jos jokin kappale, esimerkiksi <a href="/wiki/Saturnus" title="Saturnus">Saturnus</a> on tähtikartassa reunalla, niin se on horisontissa, mutta jos se on keskellä, se näkyy suoraan yläpuolella. </p> <div class="mw-heading mw-heading2"><h2 id="Katso_myös"><span id="Katso_my.C3.B6s"></span>Katso myös</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T%C3%A4htikartta&veaction=edit&section=1" title="Muokkaa osiota Katso myös" class="mw-editsection-visualeditor"><span>muokkaa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=T%C3%A4htikartta&action=edit&section=1" title="Muokkaa osion lähdekoodia: Katso myös"><span>muokkaa wikitekstiä</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Planisf%C3%A4%C3%A4ri" title="Planisfääri">Planisfääri</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Kirjallisuutta">Kirjallisuutta</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T%C3%A4htikartta&veaction=edit&section=2" title="Muokkaa osiota Kirjallisuutta" class="mw-editsection-visualeditor"><span>muokkaa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=T%C3%A4htikartta&action=edit&section=2" title="Muokkaa osion lähdekoodia: Kirjallisuutta"><span>muokkaa wikitekstiä</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="kirjaviite" title="Kirjaviite">Karttunen, Hannu & Manner, Olli & Tuovinen, Pentti: <i>Ursan tähtikartasto</i>.  (Uusittu laitos. Ursan julkaisuja 68)  Helsingissä:  Ursa, 2005.  <a href="/wiki/Toiminnot:Kirjal%C3%A4hteet/952-5329-50-X" title="Toiminnot:Kirjalähteet/952-5329-50-X">ISBN 952-5329-50-X</a> </span></li> <li><span class="kirjaviite" title="Kirjaviite">Markkanen, Tapio: <i>Paratiisista katsoen: Tähtitaivaan karttojen historiaa</i>.  (Näyttely Kansalliskirjastossa 12.11.2009–10.4.2010. Ursan julkaisuja 117)  Helsingissä:  Ursa, 2009.  <a href="/wiki/Toiminnot:Kirjal%C3%A4hteet/978-952-5329-80-3" title="Toiminnot:Kirjalähteet/978-952-5329-80-3">ISBN 978-952-5329-80-3</a> </span></li></ul> <div class="mw-heading mw-heading2"><h2 id="Aiheesta_muualla">Aiheesta muualla</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T%C3%A4htikartta&veaction=edit&section=3" title="Muokkaa osiota Aiheesta muualla" class="mw-editsection-visualeditor"><span>muokkaa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=T%C3%A4htikartta&action=edit&section=3" title="Muokkaa osion lähdekoodia: Aiheesta muualla"><span>muokkaa wikitekstiä</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r22431496">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:#f9f9f9;display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r22718453">.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> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/Tiedosto:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="side-box-text plainlist"><a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons">Wikimedia Commonsissa</a> on kuvia tai muita tiedostoja aiheesta <b><a href="https://commons.wikimedia.org/wiki/Category:Star_charts" class="extiw" title="commons:Category:Star charts">Tähtikartta</a></b>.</div></div> </div> <ul><li><a rel="nofollow" class="external text" href="http://www.ursa.fi/extra/tahtikartta/">Ursan tähtikartta</a></li></ul> <div id="stub" class="noprint" style="background-color: var( --background-color-neutral-subtle, #f8f9fa ); color: var( --color-emphasized, #101418 ); font-size: 95%; padding: 0.2em 0.2em 0.2em 2em; margin-top:1em; margin-bottom: 0.1em; border-top: 1px solid var( --border-color-subtle, #c8ccd1 ); clear: both"><i>Tämä <a href="/wiki/T%C3%A4htitiede" title="Tähtitiede">tähtitieteeseen</a> liittyvä artikkeli on <a href="/wiki/Wikipedia:Tynk%C3%A4" title="Wikipedia:Tynkä">tynkä</a>. 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