CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>NGC 931 - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"2e6b8a38-be13-4278-92e8-82efd07ca98a","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"NGC_931","wgTitle":"NGC 931","wgCurRevisionId":1235267323,"wgRevisionId":1235267323,"wgArticleId":61212878,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["CS1 maint: multiple names: authors list","Articles with short description","Short description is different from Wikidata","Commons category link from Wikidata","Spiral galaxies","Seyfert galaxies","Triangulum","NGC objects","UGC objects","Principal Galaxies Catalogue objects","Markarian galaxies","Astronomical objects discovered in 1865","Discoveries by Heinrich Louis d'Arrest"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"NGC_931" ,"wgRelevantArticleId":61212878,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":10000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q1040283","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model", "platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar", "ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.quicksurveys.init","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/9/95/NGC_931_-HST-606.png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="1500"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/9/95/NGC_931_-HST-606.png"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="1000"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="800"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="NGC 931 - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/NGC_931"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=NGC_931&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/NGC_931"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-NGC_931 rootpage-NGC_931 skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-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-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-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-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=NGC+931" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=NGC+931" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-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-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=NGC+931" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=NGC+931" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div 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="Site"> <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="Contents" 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">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</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">(Top)</div> </a> </li> <li id="toc-Characteristics" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Characteristics"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Characteristics</span> </div> </a> <ul id="toc-Characteristics-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Supernova" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Supernova"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Supernova</span> </div> </a> <ul id="toc-Supernova-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Nearby_galaxies" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Nearby_galaxies"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Nearby galaxies</span> </div> </a> <ul id="toc-Nearby_galaxies-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </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"> <span class="vector-toc-numb">5</span> <span>References</span> </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"> <span class="vector-toc-numb">6</span> <span>External links</span> </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" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</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">NGC 931</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="Go to an article in another language. Available in 29 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-29" 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">29 languages</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/NGC_931" title="NGC 931 – Arabic" lang="ar" hreflang="ar" data-title="NGC 931" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/NGC_931" title="NGC 931 – Azerbaijani" lang="az" hreflang="az" data-title="NGC 931" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/NGC_931" title="NGC 931 – Belarusian" lang="be" hreflang="be" data-title="NGC 931" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/NGC_931" title="NGC 931 – Bosnian" lang="bs" hreflang="bs" data-title="NGC 931" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/NGC_931" title="NGC 931 – German" lang="de" hreflang="de" data-title="NGC 931" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/NGC_931" title="NGC 931 – Esperanto" lang="eo" hreflang="eo" data-title="NGC 931" 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/NGC_931" title="NGC 931 – Basque" lang="eu" hreflang="eu" data-title="NGC 931" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/NGC_931" title="NGC 931 – French" lang="fr" hreflang="fr" data-title="NGC 931" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/NGC_931" title="NGC 931 – Croatian" lang="hr" hreflang="hr" data-title="NGC 931" data-language-autonym="Hrvatski" data-language-local-name="Croatian" 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/NGC_931" title="NGC 931 – Italian" lang="it" hreflang="it" data-title="NGC 931" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/NGC_931" title="NGC 931 – Kazakh" lang="kk" hreflang="kk" data-title="NGC 931" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/NGC_931" title="NGC 931 – Luxembourgish" lang="lb" hreflang="lb" data-title="NGC 931" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/NGC_931" title="NGC 931 – Macedonian" lang="mk" hreflang="mk" data-title="NGC 931" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A7%D9%86_%D8%AC%D9%89_%D8%B3%D9%89_931_(%D9%85%D8%AC%D8%B1%D9%87)" title="ان جى سى 931 (مجره) – Egyptian Arabic" lang="arz" hreflang="arz" data-title="ان جى سى 931 (مجره)" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/NGC_931" title="NGC 931 – Dutch" lang="nl" hreflang="nl" data-title="NGC 931" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/NGC_931" title="NGC 931 – Chechen" lang="ce" hreflang="ce" data-title="NGC 931" data-language-autonym="Нохчийн" data-language-local-name="Chechen" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/NGC_931" title="NGC 931 – Uzbek" lang="uz" hreflang="uz" data-title="NGC 931" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" 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/NGC_931" title="NGC 931 – Polish" lang="pl" hreflang="pl" data-title="NGC 931" data-language-autonym="Polski" data-language-local-name="Polish" 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/NGC_931" title="NGC 931 – Portuguese" lang="pt" hreflang="pt" data-title="NGC 931" data-language-autonym="Português" data-language-local-name="Portuguese" 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/NGC_931" title="NGC 931 – Romanian" lang="ro" hreflang="ro" data-title="NGC 931" data-language-autonym="Română" data-language-local-name="Romanian" 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/NGC_931" title="NGC 931 – Russian" lang="ru" hreflang="ru" data-title="NGC 931" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/NGC_931" title="NGC 931 – Slovak" lang="sk" hreflang="sk" data-title="NGC 931" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/NGC_931" title="NGC 931 – Serbian" lang="sr" hreflang="sr" data-title="NGC 931" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" 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/NGC_931" title="NGC 931 – Serbo-Croatian" lang="sh" hreflang="sh" data-title="NGC 931" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/NGC_931" title="NGC 931 – Tatar" lang="tt" hreflang="tt" data-title="NGC 931" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/NGC_931" title="NGC 931 – Turkish" lang="tr" hreflang="tr" data-title="NGC 931" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/NGC_931" title="NGC 931 – Ukrainian" lang="uk" hreflang="uk" data-title="NGC 931" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/NGC_931" title="NGC 931 – Zazaki" lang="diq" hreflang="diq" data-title="NGC 931" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/NGC_931" title="NGC 931 – Chinese" lang="zh" hreflang="zh" data-title="NGC 931" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1040283#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/NGC_931" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:NGC_931" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/NGC_931"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=NGC_931&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=NGC_931&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/NGC_931"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=NGC_931&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=NGC_931&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/NGC_931" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/NGC_931" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=NGC_931&oldid=1235267323" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=NGC_931&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=NGC_931&id=1235267323&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FNGC_931"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FNGC_931"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=NGC_931&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=NGC_931&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:NGC_931" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1040283" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </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">Galaxy in the constellation Triangulum</div> <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"><tbody><tr><th colspan="2" class="infobox-above" style="background: #ddd;"><a href="/wiki/New_General_Catalogue" title="New General Catalogue">NGC</a> 931</th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:NGC_931_-HST-606.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/95/NGC_931_-HST-606.png/290px-NGC_931_-HST-606.png" decoding="async" width="290" height="363" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/95/NGC_931_-HST-606.png/435px-NGC_931_-HST-606.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/95/NGC_931_-HST-606.png/580px-NGC_931_-HST-606.png 2x" data-file-width="600" data-file-height="750" /></a></span><div class="infobox-caption">NGC 931 by <a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a></div></td></tr><tr><th colspan="2" class="infobox-header" style="background: #ddd;">Observation data (<a href="/wiki/J2000" class="mw-redirect" title="J2000">J2000</a> <a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">epoch</a>)</th></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Constellation" title="Constellation">Constellation</a></th><td class="infobox-data"><a href="/wiki/Triangulum" title="Triangulum">Triangulum</a></td></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Right_ascension" title="Right ascension">Right ascension</a></th><td class="infobox-data"><span class="nowrap">02<sup>h</sup> 28<sup>m</sup> 14.5<sup>s</sup></span><sup id="cite_ref-ned_1-0" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Declination" title="Declination">Declination</a></th><td class="infobox-data">+31° 18′ 42″<sup id="cite_ref-ned_1-1" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Redshift" title="Redshift">Redshift</a></th><td class="infobox-data">0.016652 ± 0.000020 <sup id="cite_ref-ned_1-2" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Radial_velocity" title="Radial velocity">Heliocentric radial velocity</a></th><td class="infobox-data">4,992 ± 6 km/s<sup id="cite_ref-ned_1-3" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Cosmic_distance_ladder" title="Cosmic distance ladder">Distance</a></th><td class="infobox-data"><a href="/wiki/1_E24_m" class="mw-redirect" title="1 E24 m">159</a> ± 30 <a href="/wiki/Light-year" title="Light-year">Mly</a> (48.7 ± 9.3 <a href="/wiki/Parsec" title="Parsec">Mpc</a>)<sup id="cite_ref-ned_1-4" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Apparent_magnitude" title="Apparent magnitude">Apparent magnitude</a> <small title="in visual light">(V)</small></th><td class="infobox-data">13.5 <sup id="cite_ref-seds_2-0" class="reference"><a href="#cite_note-seds-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th colspan="2" class="infobox-header" style="background: #ddd;">Characteristics</th></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Galaxy_morphological_classification" title="Galaxy morphological classification">Type</a></th><td class="infobox-data">Sbc <sup id="cite_ref-ned_1-5" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="background: inherit;"><a href="/wiki/Angular_diameter" title="Angular diameter">Apparent size</a> <small title="in visual light">(V)</small></th><td class="infobox-data">3.9<span class="nowrap" style="padding-left:0.15em;">′</span> × 0.8<span class="nowrap" style="padding-left:0.15em;">′</span> <sup id="cite_ref-ned_1-6" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="background: inherit;">Notable features</th><td class="infobox-data"><a href="/wiki/Seyfert_galaxy" title="Seyfert galaxy">Seyfert galaxy</a></td></tr><tr><th colspan="2" class="infobox-header" style="background: #ddd;">Other designations</th></tr><tr><td colspan="2" class="infobox-full-data"><a href="/wiki/Uppsala_General_Catalogue" title="Uppsala General Catalogue">UGC</a> 1935, <a href="/wiki/Markarian_galaxies" title="Markarian galaxies">Mrk</a> 1040, KUG 0225+310, CGCG 504-089, <a href="/wiki/Morphological_Catalogue_of_Galaxies" title="Morphological Catalogue of Galaxies">MCG</a> +05-06-049, <a href="/wiki/Principal_Galaxies_Catalogue" title="Principal Galaxies Catalogue">PGC</a> 9399<sup id="cite_ref-ned_1-7" class="reference"><a href="#cite_note-ned-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr></tbody></table> <p><b>NGC 931</b> is a <a href="/wiki/Spiral_galaxy" title="Spiral galaxy">spiral galaxy</a> located in the constellation <a href="/wiki/Triangulum" title="Triangulum">Triangulum</a>. It is located at a distance of circa 200 million <a href="/wiki/Light-year" title="Light-year">light-years</a> from Earth, which, given its apparent dimensions, means that NGC 931 is about 200,000 light years across. It was discovered by <a href="/wiki/Heinrich_d%27Arrest" class="mw-redirect" title="Heinrich d'Arrest">Heinrich d'Arrest</a> on September 26, 1865.<sup id="cite_ref-Seligman_3-0" class="reference"><a href="#cite_note-Seligman-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> It is classified as a <a href="/wiki/Seyfert_galaxy" title="Seyfert galaxy">Seyfert galaxy</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Characteristics">Characteristics</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NGC_931&action=edit&section=1" title="Edit section: Characteristics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The nucleus of NGC 931 has been found to be <a href="/wiki/Active_galactic_nucleus" title="Active galactic nucleus">active</a> and it has been categorised as a type I <a href="/wiki/Seyfert_galaxy" title="Seyfert galaxy">Seyfert galaxy</a> due to its narrow <a href="/wiki/H-beta" class="mw-redirect" title="H-beta">H-beta</a> <a href="/wiki/Emission_line" class="mw-redirect" title="Emission line">emission line</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The most accepted theory for the energy source of active galactic nuclei is the presence of an <a href="/wiki/Accretion_disk" title="Accretion disk">accretion disk</a> around a <a href="/wiki/Supermassive_black_hole" title="Supermassive black hole">supermassive black hole</a>. The mass of the black hole in the centre of NGC 931 is estimated to be 10<sup>7.64 ± 0.40</sup> (17- 110 million) <a href="/wiki/Solar_mass" title="Solar mass"><var>M</var><sub>☉</sub></a> based on the stellar <a href="/wiki/Velocity_dispersion" title="Velocity dispersion">velocity dispersion</a>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>NGC 931 has been found to emit <a href="/wiki/Radiowave" class="mw-redirect" title="Radiowave">radiowaves</a>, <a href="/wiki/Ultraviolet" title="Ultraviolet">ultraviolet</a> and <a href="/wiki/X-ray" title="X-ray">X-rays</a>. Observations by <a href="/wiki/Advanced_Satellite_for_Cosmology_and_Astrophysics" title="Advanced Satellite for Cosmology and Astrophysics">ASCA</a> revealed the X-ray <a href="/wiki/Spectrum" title="Spectrum">spectrum</a> was composed of soft and hard emission. The hard element was identified as a strong and wide fluorescent FeKa line, which is created when X-rays meet an optically cold thick material.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> The soft element has been identified as warm absorbing material. The galaxy was further observed by <a href="/wiki/XMM-Newton" title="XMM-Newton">XMM-Newton</a>, where it was observed that there were significant fluctuations and time lags in the flux changes observed both in the soft and hard elements.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>A detail X-ray spectrum of NGC 931 was obtained by <a href="/wiki/Chandra_X-ray_Observatory" title="Chandra X-ray Observatory">Chandra X-ray Observatory</a>. It revealed the presence of many <a href="/wiki/Absorption_line" class="mw-redirect" title="Absorption line">absorption lines</a> from <a href="/wiki/Neon" title="Neon">neon</a>, <a href="/wiki/Magnesium" title="Magnesium">magnesium</a>, and <a href="/wiki/Silicon" title="Silicon">silicon</a>, with a variety of <a href="/wiki/Ionisation" class="mw-redirect" title="Ionisation">ionisation</a> states. These lines were attributed to low ionisation gases surrounding the nuclear X-ray source. No significant outflowing gas was detected in the large scale.<sup id="cite_ref-Reeves2017_10-0" class="reference"><a href="#cite_note-Reeves2017-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Supernova">Supernova</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NGC_931&action=edit&section=2" title="Edit section: Supernova"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>One <a href="/wiki/Supernova" title="Supernova">supernova</a> has been observed in NGC 931, SN 2009lw. The supernova was discovered by W. Li, S. B. Cenko, and A. V. Filippenko during the <a href="/wiki/Lick_Observatory" title="Lick Observatory">Lick Observatory</a> Supernova Search on 24.24 November 2009, when it had an <a href="/wiki/Apparent_magnitude" title="Apparent magnitude">apparent magnitude</a> of 18.8.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> It was identified as a <a href="/wiki/Type_Ib_supernova" class="mw-redirect" title="Type Ib supernova">type-Ib</a> or possibly a <a href="/wiki/Type_II_supernova#Type_IIb_supernovae" title="Type II supernova">type-IIb supernova</a> a few months past maximum light.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Nearby_galaxies">Nearby galaxies</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NGC_931&action=edit&section=3" title="Edit section: Nearby galaxies"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>NGC 931 has been identified as a member of the NGC 973 group, one of the largest galaxy groups of the <a href="/wiki/Perseus%E2%80%93Pisces_Supercluster" title="Perseus–Pisces Supercluster">Perseus–Pisces Supercluster</a>,<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> with at least 39 galaxies identified as its members. Other members of the group include <a href="/w/index.php?title=NGC_917&action=edit&redlink=1" class="new" title="NGC 917 (page does not exist)">NGC 917</a>, <a href="/wiki/NGC_940" title="NGC 940">NGC 940</a>, <a href="/w/index.php?title=NGC_969&action=edit&redlink=1" class="new" title="NGC 969 (page does not exist)">NGC 969</a>, <a href="/wiki/NGC_973" title="NGC 973">NGC 973</a>, <a href="/w/index.php?title=NGC_974&action=edit&redlink=1" class="new" title="NGC 974 (page does not exist)">NGC 974</a>, <a href="/w/index.php?title=NGC_978&action=edit&redlink=1" class="new" title="NGC 978 (page does not exist)">NGC 978</a>, <a href="/w/index.php?title=NGC_987&action=edit&redlink=1" class="new" title="NGC 987 (page does not exist)">NGC 987</a>, <a href="/w/index.php?title=NGC_983&action=edit&redlink=1" class="new" title="NGC 983 (page does not exist)">NGC 983</a>, <a href="/wiki/NGC_1060" title="NGC 1060">NGC 1060</a>, <a href="/w/index.php?title=NGC_1066&action=edit&redlink=1" class="new" title="NGC 1066 (page does not exist)">NGC 1066</a>, <a href="/w/index.php?title=NGC_1067&action=edit&redlink=1" class="new" title="NGC 1067 (page does not exist)">NGC 1067</a>, and <a href="/w/index.php?title=UGC_2105&action=edit&redlink=1" class="new" title="UGC 2105 (page does not exist)">UGC 2105</a>.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> On the other hand, Garcia recognised NGC 931 as the largest galaxy in a <a href="/wiki/Galaxy_group" title="Galaxy group">galaxy group</a> known as the NGC 931 group, which also included NGC 940.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>A smaller companion galaxy, measuring 0.2 by 0.1 arcminutes, is superimposed on the galaxy, lying about 0.35 arcminutes towards the north.<sup id="cite_ref-UGC'_16-0" class="reference"><a href="#cite_note-UGC'-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NGC_931&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/NGC_1532" title="NGC 1532">NGC 1532</a> - a similar spiral galaxy</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NGC_931&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></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"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-ned-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-ned_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ned_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ned_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ned_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-ned_1-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-ned_1-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-ned_1-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-ned_1-7"><sup><i><b>h</b></i></sup></a></span> <span class="reference-text"><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 class="citation web cs1"><a rel="nofollow" class="external text" href="http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+931">"NASA/IPAC Extragalactic Database"</a>. <i>Results for NGC 931</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2019-01-18</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Results+for+NGC+931&rft.atitle=NASA%2FIPAC+Extragalactic+Database&rft_id=http%3A%2F%2Fned.ipac.caltech.edu%2Fcgi-bin%2Fnph-objsearch%3Fobjname%3DNGC%2B931&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-seds-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-seds_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://spider.seds.org/ngc/revngcic.cgi?NGC931">"Revised NGC Data for NGC 931"</a>. <i>spider.seds.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">25 November</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=spider.seds.org&rft.atitle=Revised+NGC+Data+for+NGC+931&rft_id=http%3A%2F%2Fspider.seds.org%2Fngc%2Frevngcic.cgi%3FNGC931&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-Seligman-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-Seligman_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSeligman" class="citation web cs1">Seligman, Courtney. <a rel="nofollow" class="external text" href="https://cseligman.com/text/atlas/ngc9.htm#931">"NGC 931 (= PGC 9399)"</a>. <i>Celestial Atlas</i><span class="reference-accessdate">. Retrieved <span class="nowrap">19 November</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Celestial+Atlas&rft.atitle=NGC+931+%28%3D+PGC+9399%29&rft.aulast=Seligman&rft.aufirst=Courtney&rft_id=https%3A%2F%2Fcseligman.com%2Ftext%2Fatlas%2Fngc9.htm%23931&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOsterbrockShuder1982" class="citation journal cs1">Osterbrock, D. E.; Shuder, J. M. (May 1982). "Emission-line profiles in Seyfert 1 galaxies". <i>The Astrophysical Journal Supplement Series</i>. <b>49</b>: 149. <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/1982ApJS...49..149O">1982ApJS...49..149O</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1086%2F190793">10.1086/190793</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+Supplement+Series&rft.atitle=Emission-line+profiles+in+Seyfert+1+galaxies&rft.volume=49&rft.pages=149&rft.date=1982-05&rft_id=info%3Adoi%2F10.1086%2F190793&rft_id=info%3Abibcode%2F1982ApJS...49..149O&rft.aulast=Osterbrock&rft.aufirst=D.+E.&rft.au=Shuder%2C+J.+M.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOsterbrockDahari1983" class="citation journal cs1">Osterbrock, D. E.; Dahari, O. (October 1983). <a rel="nofollow" class="external text" href="https://doi.org/10.1086%2F161385">"Spectra of Seyfert galaxies and Seyfert galaxy candidates"</a>. <i>The Astrophysical Journal</i>. <b>273</b>: 478. <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/1983ApJ...273..478O">1983ApJ...273..478O</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1086%2F161385">10.1086/161385</a></span>.</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=Spectra+of+Seyfert+galaxies+and+Seyfert+galaxy+candidates&rft.volume=273&rft.pages=478&rft.date=1983-10&rft_id=info%3Adoi%2F10.1086%2F161385&rft_id=info%3Abibcode%2F1983ApJ...273..478O&rft.aulast=Osterbrock&rft.aufirst=D.+E.&rft.au=Dahari%2C+O.&rft_id=https%3A%2F%2Fdoi.org%2F10.1086%252F161385&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFZhouZhangWangZhu2010" class="citation journal cs1">Zhou, Xin-Lin; Zhang, Shuang-Nan; Wang, Ding-Xiong; Zhu, Ling (10 February 2010). "Calibrating the Correlation Between Black Hole Mass and X-Ray Variability Amplitude: X-Ray Only Black Hole Mass Estimates for Active Galactic Nuclei and Ultra-Luminous X-Ray Sources". <i>The Astrophysical Journal</i>. <b>710</b> (1): 16–23. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/0912.2636">0912.2636</a></span>. <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/2010ApJ...710...16Z">2010ApJ...710...16Z</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%2F710%2F1%2F16">10.1088/0004-637X/710/1/16</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:118336945">118336945</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=Calibrating+the+Correlation+Between+Black+Hole+Mass+and+X-Ray+Variability+Amplitude%3A+X-Ray+Only+Black+Hole+Mass+Estimates+for+Active+Galactic+Nuclei+and+Ultra-Luminous+X-Ray+Sources&rft.volume=710&rft.issue=1&rft.pages=16-23&rft.date=2010-02-10&rft_id=info%3Aarxiv%2F0912.2636&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A118336945%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1088%2F0004-637X%2F710%2F1%2F16&rft_id=info%3Abibcode%2F2010ApJ...710...16Z&rft.aulast=Zhou&rft.aufirst=Xin-Lin&rft.au=Zhang%2C+Shuang-Nan&rft.au=Wang%2C+Ding-Xiong&rft.au=Zhu%2C+Ling&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDe_MarcoPontiCappiDadina2013" class="citation journal cs1">De Marco, B.; Ponti, G.; Cappi, M.; Dadina, M.; Uttley, P.; Cackett, E. M.; Fabian, A. C.; Miniutti, G. (21 May 2013). <a rel="nofollow" class="external text" href="https://doi.org/10.1093%2Fmnras%2Fstt339">"Discovery of a relation between black hole mass and soft X-ray time lags in active galactic nuclei"</a>. <i>Monthly Notices of the Royal Astronomical Society</i>. <b>431</b> (3): 2441–2452. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1201.0196">1201.0196</a></span>. <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/2013MNRAS.431.2441D">2013MNRAS.431.2441D</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1093%2Fmnras%2Fstt339">10.1093/mnras/stt339</a></span>. <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:18276159">18276159</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Monthly+Notices+of+the+Royal+Astronomical+Society&rft.atitle=Discovery+of+a+relation+between+black+hole+mass+and+soft+X-ray+time+lags+in+active+galactic+nuclei&rft.volume=431&rft.issue=3&rft.pages=2441-2452&rft.date=2013-05-21&rft_id=info%3Aarxiv%2F1201.0196&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A18276159%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1093%2Fmnras%2Fstt339&rft_id=info%3Abibcode%2F2013MNRAS.431.2441D&rft.aulast=De+Marco&rft.aufirst=B.&rft.au=Ponti%2C+G.&rft.au=Cappi%2C+M.&rft.au=Dadina%2C+M.&rft.au=Uttley%2C+P.&rft.au=Cackett%2C+E.+M.&rft.au=Fabian%2C+A.+C.&rft.au=Miniutti%2C+G.&rft_id=https%3A%2F%2Fdoi.org%2F10.1093%252Fmnras%252Fstt339&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFReynoldsFabianInoue1995" class="citation journal cs1">Reynolds, C. S.; Fabian, A. C.; Inoue, H. (15 October 1995). <a rel="nofollow" class="external text" href="https://doi.org/10.1093%2Fmnras%2F276.4.1311">"ASCA observations of the Seyfert 1 galaxies Mrk 1040 and MS 0225.5 + 3121"</a>. <i>Monthly Notices of the Royal Astronomical Society</i>. <b>276</b> (4): 1311–1319. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/astro-ph/9504095">astro-ph/9504095</a></span>. <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/1995MNRAS.276.1311R">1995MNRAS.276.1311R</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1093%2Fmnras%2F276.4.1311">10.1093/mnras/276.4.1311</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Monthly+Notices+of+the+Royal+Astronomical+Society&rft.atitle=ASCA+observations+of+the+Seyfert+1+galaxies+Mrk+1040+and+MS+0225.5+%2B+3121&rft.volume=276&rft.issue=4&rft.pages=1311-1319&rft.date=1995-10-15&rft_id=info%3Aarxiv%2Fastro-ph%2F9504095&rft_id=info%3Adoi%2F10.1093%2Fmnras%2F276.4.1311&rft_id=info%3Abibcode%2F1995MNRAS.276.1311R&rft.aulast=Reynolds&rft.aufirst=C.+S.&rft.au=Fabian%2C+A.+C.&rft.au=Inoue%2C+H.&rft_id=https%3A%2F%2Fdoi.org%2F10.1093%252Fmnras%252F276.4.1311&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTripathiMisraDewanganRastogi2011" class="citation journal cs1">Tripathi, Shruti; Misra, Ranjeev; Dewangan, Gulab; Rastogi, Shantanu (1 August 2011). "Soft time lags in the X-ray emission of Mrk 1040". <i>The Astrophysical Journal</i>. <b>736</b> (2): L37. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1106.6139">1106.6139</a></span>. <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/2011ApJ...736L..37T">2011ApJ...736L..37T</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%2F2041-8205%2F736%2F2%2FL37">10.1088/2041-8205/736/2/L37</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:44236594">44236594</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=Soft+time+lags+in+the+X-ray+emission+of+Mrk+1040&rft.volume=736&rft.issue=2&rft.pages=L37&rft.date=2011-08-01&rft_id=info%3Aarxiv%2F1106.6139&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A44236594%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1088%2F2041-8205%2F736%2F2%2FL37&rft_id=info%3Abibcode%2F2011ApJ...736L..37T&rft.aulast=Tripathi&rft.aufirst=Shruti&rft.au=Misra%2C+Ranjeev&rft.au=Dewangan%2C+Gulab&rft.au=Rastogi%2C+Shantanu&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-Reeves2017-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-Reeves2017_10-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFReevesBraitoBeharFischer2017" class="citation journal cs1">Reeves, J. N.; Braito, V.; Behar, E.; Fischer, T. C.; Kraemer, S. B.; Lobban, A.; Nardini, E.; Porquet, D.; Turner, T. J. (28 February 2017). <a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F1538-4357%2Faa5da1">"High-resolution X-Ray Spectroscopy of the Seyfert 1 Galaxy Mrk 1040. Revealing the Failed Nuclear Wind with Chandra"</a>. <i>The Astrophysical Journal</i>. <b>837</b> (1): 23. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1702.00461">1702.00461</a></span>. <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/2017ApJ...837...23R">2017ApJ...837...23R</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F1538-4357%2Faa5da1">10.3847/1538-4357/aa5da1</a></span>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/2381%2F45349">2381/45349</a></span>. <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:118860247">118860247</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=High-resolution+X-Ray+Spectroscopy+of+the+Seyfert+1+Galaxy+Mrk+1040.+Revealing+the+Failed+Nuclear+Wind+with+Chandra&rft.volume=837&rft.issue=1&rft.pages=23&rft.date=2017-02-28&rft_id=info%3Ahdl%2F2381%2F45349&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A118860247%23id-name%3DS2CID&rft_id=info%3Abibcode%2F2017ApJ...837...23R&rft_id=info%3Aarxiv%2F1702.00461&rft_id=info%3Adoi%2F10.3847%2F1538-4357%2Faa5da1&rft.aulast=Reeves&rft.aufirst=J.+N.&rft.au=Braito%2C+V.&rft.au=Behar%2C+E.&rft.au=Fischer%2C+T.+C.&rft.au=Kraemer%2C+S.+B.&rft.au=Lobban%2C+A.&rft.au=Nardini%2C+E.&rft.au=Porquet%2C+D.&rft.au=Turner%2C+T.+J.&rft_id=https%3A%2F%2Fdoi.org%2F10.3847%252F1538-4357%252Faa5da1&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.cbat.eps.harvard.edu/cbet/002100/CBET002175.txt">"Electronic Telegram No. 2175: Supernova 2009lw in NGC 931"</a>. Central Bureau for Astronomical Telegrams. 15 February 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">3 July</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Electronic+Telegram+No.+2175%3A+Supernova+2009lw+in+NGC+931&rft.pub=Central+Bureau+for+Astronomical+Telegrams&rft.date=2010-02-15&rft_id=http%3A%2F%2Fwww.cbat.eps.harvard.edu%2Fcbet%2F002100%2FCBET002175.txt&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFW._Li,_S._B._Cenko,_and_A._V._Filippenko2009" class="citation web cs1">W. Li, S. B. Cenko, and A. V. Filippenko (25 November 2009). <a rel="nofollow" class="external text" href="http://www.cbat.eps.harvard.edu/cbet/002000/CBET002047.txt">"Electronic Telegram No. 2047: Silverman, J. M.; Cenko, S. B.; Filippenko, A. V."</a> Central Bureau for Astronomical Telegrams<span class="reference-accessdate">. Retrieved <span class="nowrap">3 July</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Electronic+Telegram+No.+2047%3A+Silverman%2C+J.+M.%3B+Cenko%2C+S.+B.%3B+Filippenko%2C+A.+V.&rft.pub=Central+Bureau+for+Astronomical+Telegrams&rft.date=2009-11-25&rft.au=W.+Li%2C+S.+B.+Cenko%2C+and+A.+V.+Filippenko&rft_id=http%3A%2F%2Fwww.cbat.eps.harvard.edu%2Fcbet%2F002000%2FCBET002047.txt&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_web" title="Template:Cite web">cite web</a>}}</code>: CS1 maint: multiple names: authors list (<a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">link</a>)</span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.atlasoftheuniverse.com/superc/perpsc.html">"The Perseus-Pisces Supercluster"</a>. <i>www.atlasoftheuniverse.com</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.atlasoftheuniverse.com&rft.atitle=The+Perseus-Pisces+Supercluster&rft_id=http%3A%2F%2Fwww.atlasoftheuniverse.com%2Fsuperc%2Fperpsc.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCrookHuchraMartimbeauMasters2008" class="citation journal cs1">Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (October 2008). <a rel="nofollow" class="external text" href="https://doi.org/10.1086%2F590385">"Erratum: "Groups of Galaxies in the Two Micron All Sky Redshift Survey" (ApJ, 655, 790 [2007])"</a>. <i>The Astrophysical Journal</i>. <b>685</b> (2): 1320–1323. <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/2008ApJ...685.1320C">2008ApJ...685.1320C</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1086%2F590385">10.1086/590385</a></span>.</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=Erratum%3A+%22Groups+of+Galaxies+in+the+Two+Micron+All+Sky+Redshift+Survey%22+%28ApJ%2C+655%2C+790+%5B2007%5D%29&rft.volume=685&rft.issue=2&rft.pages=1320-1323&rft.date=2008-10&rft_id=info%3Adoi%2F10.1086%2F590385&rft_id=info%3Abibcode%2F2008ApJ...685.1320C&rft.aulast=Crook&rft.aufirst=Aidan+C.&rft.au=Huchra%2C+John+P.&rft.au=Martimbeau%2C+Nathalie&rft.au=Masters%2C+Karen+L.&rft.au=Jarrett%2C+Tom&rft.au=Macri%2C+Lucas+M.&rft_id=https%3A%2F%2Fdoi.org%2F10.1086%252F590385&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGarcia,_A._M.1993" class="citation journal cs1">Garcia, A. M. (1993). <a rel="nofollow" class="external text" href="http://cdsarc.u-strasbg.fr/ftp/J/A+AS/100/47/table2.dat">"General study of group membership. II - Determination of nearby groups"</a>. <i>Astronomy and Astrophysics Supplement Series</i>. <b>100</b> (1): 47–90. <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/1993A&AS..100...47G">1993A&AS..100...47G</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/0365-0138">0365-0138</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+Supplement+Series&rft.atitle=General+study+of+group+membership.+II+-+Determination+of+nearby+groups&rft.volume=100&rft.issue=1&rft.pages=47-90&rft.date=1993&rft.issn=0365-0138&rft_id=info%3Abibcode%2F1993A%26AS..100...47G&rft.au=Garcia%2C+A.+M.&rft_id=http%3A%2F%2Fcdsarc.u-strasbg.fr%2Fftp%2FJ%2FA%2BAS%2F100%2F47%2Ftable2.dat&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANGC+931" class="Z3988"></span></span> </li> <li id="cite_note-UGC'-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-UGC'_16-0">^</a></b></span> <span class="reference-text">Nilson, P. (1973) Uppsala General Catalogue of Galaxies, Acta Universitatis Upsalienis, Nova Regiae Societatis Upsaliensis, Series V: A Vol. 1</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NGC_931&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.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:var(--background-color-interactive-subtle,#f8f9fa);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><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><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> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/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/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:NGC_931" class="extiw" title="commons:Category:NGC 931">NGC 931</a></span>.</div></div> </div> <ul><li>NGC 931 on <a href="/wiki/WikiSky" class="mw-redirect" title="WikiSky">WikiSky</a>: <a rel="nofollow" class="external text" href="http://www.wikisky.org/?object=NGC+931&img_source=DSS2">DSS2</a>, <a rel="nofollow" class="external text" href="http://www.wikisky.org/?object=NGC+931&img_source=SDSS">SDSS</a>, <a rel="nofollow" class="external text" href="http://www.wikisky.org/?object=NGC+931&img_source=GALEX">GALEX</a>, <a rel="nofollow" class="external text" href="http://www.wikisky.org/?object=NGC+931&img_source=IRAS">IRAS</a>, <a rel="nofollow" class="external text" href="http://www.wikisky.org/?object=NGC+931&img_source=HALPHA">Hydrogen α</a>, <a rel="nofollow" class="external text" href="http://www.wikisky.org/?object=NGC+931&img_source=RASS">X-Ray</a>, <a rel="nofollow" class="external text" href="http://www.wikisky.org/?object=NGC+931&img_source=IMG_all">Astrophoto</a>, <a rel="nofollow" class="external text" href="http://www.wikisky.org/?object=NGC+931">Sky Map</a>, <a rel="nofollow" class="external text" href="http://www.wikisky.org/starview?object=NGC+931">Articles and images</a></li> <li><a rel="nofollow" class="external text" href="http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC%20931">NGC 931 on SIMBAD</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Constellation_of_Triangulum" 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" style="text-align: center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a 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:Triangulum" title="Template:Triangulum"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Triangulum" title="Template talk:Triangulum"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Triangulum" title="Special:EditPage/Template:Triangulum"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Constellation_of_Triangulum" style="font-size:114%;margin:0 4em"><a href="/wiki/Triangulum_(constellation)" class="mw-redirect" title="Triangulum (constellation)">Constellation of Triangulum</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_Triangulum" title="List of stars in Triangulum">List of stars in Triangulum</a></li> <li><a href="/wiki/Triangulum_in_Chinese_astronomy" title="Triangulum in Chinese astronomy">Triangulum 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_Trianguli" title="Alpha Trianguli">α (Mothallah)</a></li> <li><a href="/wiki/Beta_Trianguli" title="Beta Trianguli">β</a></li> <li><a href="/wiki/Gamma_Trianguli" title="Gamma Trianguli">γ</a></li> <li><a href="/wiki/Delta_Trianguli" title="Delta Trianguli">δ</a></li> <li><a href="/wiki/Epsilon_Trianguli" title="Epsilon Trianguli">ε</a></li> <li><a href="/wiki/Iota_Trianguli" title="Iota Trianguli">ι</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/1_Trianguli" title="1 Trianguli">1</a></li> <li><a href="/wiki/5_Trianguli" title="5 Trianguli">5</a></li> <li><a href="/wiki/7_Trianguli" title="7 Trianguli">7</a></li> <li><a href="/wiki/10_Trianguli" title="10 Trianguli">10</a></li> <li><a href="/wiki/11_Trianguli" title="11 Trianguli">11</a></li> <li><a href="/wiki/12_Trianguli" title="12 Trianguli">12</a></li> <li><a href="/wiki/13_Trianguli" title="13 Trianguli">13</a></li> <li><a href="/wiki/14_Trianguli" title="14 Trianguli">14</a></li> <li><a href="/wiki/15_Trianguli" title="15 Trianguli">15</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_Trianguli" title="R Trianguli">R</a></li> <li><a href="/wiki/V_Trianguli" class="mw-redirect" title="V Trianguli">V</a></li> <li><a href="/wiki/X_Trianguli" class="mw-redirect" title="X Trianguli">X</a></li> <li><a href="/wiki/RW_Trianguli" class="mw-redirect" title="RW Trianguli">RW</a></li> <li><a href="/wiki/XX_Trianguli" title="XX Trianguli">XX</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="/wiki/HD_10390" title="HD 10390">490</a></li> <li><a href="/wiki/HD_11007" title="HD 11007">523</a></li> <li><a href="/wiki/HD_11928" title="HD 11928">564</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="/wiki/HD_9446" title="HD 9446">9446</a></li> <li><a href="/wiki/HD_13189" title="HD 13189">13189</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="/wiki/B324" title="B324">B324</a></li> <li><a href="/wiki/HAT-P-38" title="HAT-P-38">HAT-P-38 (Horna)</a></li> <li><a href="/wiki/LSPM_J0207%2B3331" title="LSPM J0207+3331">LSPM J0207+3331</a></li> <li><a href="/wiki/M33-013406.63" title="M33-013406.63">M33-013406.63</a></li> <li><a href="/wiki/M33_X-7" title="M33 X-7">M33 X-7</a></li> <li><a href="/wiki/Romano%27s_Star" title="Romano's Star">Romano's Star</a></li> <li><a href="/wiki/Ross_19" title="Ross 19">Ross 19</a></li> <li><a href="/wiki/Var_83" title="Var 83">Var 83</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/HAT-P-38b" title="HAT-P-38b">HAT-P-38b (Hiisi)</a></li> <li><a href="/wiki/HD_9446_b" class="mw-redirect" title="HD 9446 b">HD 9446 b</a></li> <li><a href="/wiki/HD_9446_c" class="mw-redirect" title="HD 9446 c">c</a></li> <li><a href="/wiki/HD_13189_b" class="mw-redirect" title="HD 13189 b">HD 13189 b</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="Nebulae" scope="row" class="navbox-group" style="width:151px;background: #ddddff;"><a href="/wiki/Nebula" title="Nebula">Nebulae</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_588" title="NGC 588">588</a></li> <li><a href="/wiki/NGC_595" title="NGC 595">595</a></li> <li><a href="/wiki/NGC_604" title="NGC 604">604</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"><a href="/wiki/New_General_Catalogue" title="New General Catalogue">NGC</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/Triangulum_Galaxy" title="Triangulum Galaxy">Triangulum Galaxy</a></li> <li><a href="/wiki/NGC_608" title="NGC 608">608</a></li> <li><a href="/wiki/NGC_634" title="NGC 634">634</a></li> <li><a href="/wiki/NGC_669" title="NGC 669">669</a></li> <li><a href="/wiki/NGC_670" title="NGC 670">670</a></li> <li><a href="/wiki/NGC_672" title="NGC 672">672</a></li> <li><a href="/wiki/NGC_684" title="NGC 684">684</a></li> <li><a href="/wiki/NGC_688" title="NGC 688">688</a></li> <li><a href="/wiki/NGC_735" title="NGC 735">735</a></li> <li><a href="/wiki/NGC_736" title="NGC 736">736</a></li> <li><a href="/wiki/NGC_739" title="NGC 739">739</a></li> <li><a href="/wiki/NGC_740" title="NGC 740">740</a></li> <li><a href="/wiki/NGC_750" title="NGC 750">750</a></li> <li><a href="/wiki/NGC_751" title="NGC 751">751</a></li> <li><a href="/wiki/NGC_769" title="NGC 769">769</a></li> <li><a href="/wiki/NGC_777" title="NGC 777">777</a></li> <li><a href="/wiki/NGC_784" title="NGC 784">784</a></li> <li><a href="/wiki/NGC_804" title="NGC 804">804</a></li> <li><a href="/wiki/NGC_805" title="NGC 805">805</a></li> <li><a href="/wiki/NGC_819" title="NGC 819">819</a></li> <li><a href="/wiki/NGC_855" title="NGC 855">855</a></li> <li><a href="/wiki/NGC_860" title="NGC 860">860</a></li> <li><a href="/wiki/NGC_861" title="NGC 861">861</a></li> <li><a href="/wiki/NGC_890" title="NGC 890">890</a></li> <li><a href="/wiki/NGC_925" title="NGC 925">925</a></li> <li><a class="mw-selflink selflink">931</a></li> <li><a href="/wiki/NGC_940" title="NGC 940">940</a></li> <li><a href="/wiki/NGC_941" title="NGC 941">941</a></li> <li><a href="/wiki/NGC_953" title="NGC 953">953</a></li> <li><a href="/wiki/NGC_959" title="NGC 959">959</a></li> <li><a href="/wiki/NGC_970" title="NGC 970">970</a></li> <li><a href="/wiki/NGC_973" title="NGC 973">973</a></li> <li><a href="/wiki/NGC_1060" title="NGC 1060">1060</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:70px">Numbered</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/Triangulum_I" class="mw-redirect" title="Triangulum I">I</a></li> <li><a href="/wiki/Triangulum_II" title="Triangulum II">II</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/Arp_166" title="Arp 166">Arp 166</a></li> <li><a href="/wiki/RD1" title="RD1">RD1</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div><span class="noviewer" typeof="mw:File"><span title="Category"><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" /></span></span> <a href="/wiki/Category:Triangulum" title="Category:Triangulum">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="New_General_Catalogue_500_to_999" 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:NGC_objects:500-999" title="Template:NGC objects:500-999"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:NGC_objects:500-999" title="Template talk:NGC objects:500-999"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:NGC_objects:500-999" title="Special:EditPage/Template:NGC objects:500-999"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="New_General_Catalogue_500_to_999" style="font-size:114%;margin:0 4em"><a href="/wiki/New_General_Catalogue" title="New General Catalogue">New General Catalogue</a> <small><i>500 to 999</i></small></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/NGC_500" title="NGC 500">500</a></li> <li><a href="/wiki/NGC_501" title="NGC 501">501</a></li> <li><a href="/wiki/NGC_502" title="NGC 502">502</a></li> <li><a href="/wiki/NGC_503" title="NGC 503">503</a></li> <li><a href="/wiki/NGC_504" title="NGC 504">504</a></li> <li><a href="/wiki/NGC_505" title="NGC 505">505</a></li> <li><a href="/wiki/NGC_506" title="NGC 506">506</a></li> <li><a href="/wiki/NGC_507" title="NGC 507">507</a></li> <li><a href="/wiki/NGC_508" title="NGC 508">508</a></li> <li><a href="/wiki/NGC_509" title="NGC 509">509</a></li> <li><a href="/wiki/NGC_510" title="NGC 510">510</a></li> <li><a href="/wiki/NGC_511" title="NGC 511">511</a></li> <li><a href="/wiki/NGC_512" title="NGC 512">512</a></li> <li><a href="/wiki/NGC_513" title="NGC 513">513</a></li> <li><a href="/wiki/NGC_514" title="NGC 514">514</a></li> <li><a href="/wiki/NGC_515" title="NGC 515">515</a></li> <li><a href="/wiki/NGC_516" title="NGC 516">516</a></li> <li><a href="/wiki/NGC_517" title="NGC 517">517</a></li> <li><a href="/wiki/NGC_518" title="NGC 518">518</a></li> <li><a href="/wiki/NGC_519" title="NGC 519">519</a></li> <li><a href="/wiki/NGC_520" title="NGC 520">520</a></li> <li><a href="/wiki/NGC_521" title="NGC 521">521</a></li> <li><a href="/wiki/NGC_522" title="NGC 522">522</a></li> <li><a href="/wiki/NGC_523" title="NGC 523">523</a></li> <li><a href="/wiki/NGC_524" title="NGC 524">524</a></li> <li><a href="/wiki/NGC_525" title="NGC 525">525</a></li> <li><a href="/wiki/NGC_526" title="NGC 526">526</a></li> <li><a href="/wiki/NGC_527" title="NGC 527">527</a></li> <li><a href="/wiki/NGC_528" title="NGC 528">528</a></li> <li><a href="/wiki/NGC_530" title="NGC 530">530</a></li> <li><a href="/wiki/NGC_531" title="NGC 531">531</a></li> <li><a href="/wiki/NGC_532" title="NGC 532">532</a></li> <li><a href="/wiki/NGC_533" title="NGC 533">533</a></li> <li><a href="/wiki/NGC_534" title="NGC 534">534</a></li> <li><a href="/wiki/NGC_535" title="NGC 535">535</a></li> <li><a href="/wiki/NGC_536" title="NGC 536">536</a></li> <li><a href="/wiki/NGC_523" title="NGC 523">537</a></li> <li><a href="/wiki/NGC_538" title="NGC 538">538</a></li> <li><a href="/wiki/NGC_539" title="NGC 539">539</a></li> <li><a href="/wiki/NGC_540" title="NGC 540">540</a></li> <li><a href="/wiki/NGC_541" title="NGC 541">541</a></li> <li><a href="/wiki/NGC_542" title="NGC 542">542</a></li> <li><a href="/wiki/NGC_543" title="NGC 543">543</a></li> <li><a href="/wiki/NGC_544" title="NGC 544">544</a></li> <li><a href="/wiki/NGC_545" title="NGC 545">545</a></li> <li><a href="/wiki/NGC_546" title="NGC 546">546</a></li> <li><a href="/wiki/NGC_547" title="NGC 547">547</a></li> <li><a href="/wiki/NGC_548" title="NGC 548">548</a></li> <li><a href="/wiki/NGC_549" title="NGC 549">549</a></li> <li><a href="/wiki/NGC_550" title="NGC 550">550</a></li> <li><a href="/wiki/NGC_551" title="NGC 551">551</a></li> <li><a href="/wiki/NGC_552" class="mw-redirect" title="NGC 552">552</a></li> <li><a href="/wiki/NGC_553" title="NGC 553">553</a></li> <li><a href="/w/index.php?title=NGC_554&action=edit&redlink=1" class="new" title="NGC 554 (page does not exist)">554</a></li> <li><a href="/wiki/NGC_555" title="NGC 555">555</a></li> <li><a href="/w/index.php?title=NGC_556&action=edit&redlink=1" class="new" title="NGC 556 (page does not exist)">556</a></li> <li><a href="/w/index.php?title=NGC_557&action=edit&redlink=1" class="new" title="NGC 557 (page does not exist)">557</a></li> <li><a href="/w/index.php?title=NGC_558&action=edit&redlink=1" class="new" title="NGC 558 (page does not exist)">558</a></li> <li><a href="/wiki/NGC_559" title="NGC 559">559</a></li> <li><a href="/wiki/NGC_560" title="NGC 560">560</a></li> <li><a href="/wiki/NGC_561" title="NGC 561">561</a></li> <li><a href="/w/index.php?title=NGC_562&action=edit&redlink=1" class="new" title="NGC 562 (page does not exist)">562</a></li> <li><a href="/w/index.php?title=NGC_563&action=edit&redlink=1" class="new" title="NGC 563 (page does not exist)">563</a></li> <li><a href="/w/index.php?title=NGC_564&action=edit&redlink=1" class="new" title="NGC 564 (page does not exist)">564</a></li> <li><a href="/w/index.php?title=NGC_565&action=edit&redlink=1" class="new" title="NGC 565 (page does not exist)">565</a></li> <li><a href="/w/index.php?title=NGC_566&action=edit&redlink=1" class="new" title="NGC 566 (page does not exist)">566</a></li> <li><a href="/w/index.php?title=NGC_567&action=edit&redlink=1" class="new" title="NGC 567 (page does not exist)">567</a></li> <li><a href="/w/index.php?title=NGC_568&action=edit&redlink=1" class="new" title="NGC 568 (page does not exist)">568</a></li> <li><a href="/w/index.php?title=NGC_569&action=edit&redlink=1" class="new" title="NGC 569 (page does not exist)">569</a></li> <li><a href="/wiki/NGC_570" title="NGC 570">570</a></li> <li><a href="/w/index.php?title=NGC_571&action=edit&redlink=1" class="new" title="NGC 571 (page does not exist)">571</a></li> <li><a href="/w/index.php?title=NGC_572&action=edit&redlink=1" class="new" title="NGC 572 (page does not exist)">572</a></li> <li><a href="/w/index.php?title=NGC_573&action=edit&redlink=1" class="new" title="NGC 573 (page does not exist)">573</a></li> <li><a href="/w/index.php?title=NGC_574&action=edit&redlink=1" class="new" title="NGC 574 (page does not exist)">574</a></li> <li><a href="/wiki/NGC_575" title="NGC 575">575</a></li> <li><a href="/w/index.php?title=NGC_576&action=edit&redlink=1" class="new" title="NGC 576 (page does not exist)">576</a></li> <li><a href="/w/index.php?title=NGC_577&action=edit&redlink=1" class="new" title="NGC 577 (page does not exist)">577</a></li> <li><a href="/w/index.php?title=NGC_578&action=edit&redlink=1" class="new" title="NGC 578 (page does not exist)">578</a></li> <li><a href="/w/index.php?title=NGC_579&action=edit&redlink=1" class="new" title="NGC 579 (page does not exist)">579</a></li> <li><a href="/w/index.php?title=NGC_580&action=edit&redlink=1" class="new" title="NGC 580 (page does not exist)">580</a></li> <li><a href="/wiki/Messier_103" title="Messier 103">581</a></li> <li><a href="/w/index.php?title=NGC_582&action=edit&redlink=1" class="new" title="NGC 582 (page does not exist)">582</a></li> <li><a href="/w/index.php?title=NGC_583&action=edit&redlink=1" class="new" title="NGC 583 (page does not exist)">583</a></li> <li><a href="/wiki/NGC_584" title="NGC 584">584</a></li> <li><a href="/wiki/NGC_585" title="NGC 585">585</a></li> <li><a href="/w/index.php?title=NGC_586&action=edit&redlink=1" class="new" title="NGC 586 (page does not exist)">586</a></li> <li><a href="/w/index.php?title=NGC_587&action=edit&redlink=1" class="new" title="NGC 587 (page does not exist)">587</a></li> <li><a href="/wiki/NGC_588" title="NGC 588">588</a></li> <li><a href="/w/index.php?title=NGC_589&action=edit&redlink=1" class="new" title="NGC 589 (page does not exist)">589</a></li> <li><a href="/w/index.php?title=NGC_590&action=edit&redlink=1" class="new" title="NGC 590 (page does not exist)">590</a></li> <li><a href="/w/index.php?title=NGC_591&action=edit&redlink=1" class="new" title="NGC 591 (page does not exist)">591</a></li> <li><a href="/wiki/NGC_592" title="NGC 592">592</a></li> <li><a href="/w/index.php?title=NGC_593&action=edit&redlink=1" class="new" title="NGC 593 (page does not exist)">593</a></li> <li><a href="/w/index.php?title=NGC_594&action=edit&redlink=1" class="new" title="NGC 594 (page does not exist)">594</a></li> <li><a href="/wiki/NGC_595" title="NGC 595">595</a></li> <li><a href="/wiki/NGC_596" title="NGC 596">596</a></li> <li><a href="/w/index.php?title=NGC_597&action=edit&redlink=1" class="new" title="NGC 597 (page does not exist)">597</a></li> <li><a href="/wiki/Triangulum_Galaxy" title="Triangulum Galaxy">598</a></li> <li><a href="/w/index.php?title=NGC_599&action=edit&redlink=1" class="new" title="NGC 599 (page does not exist)">599</a></li> <li><a href="/wiki/NGC_600" title="NGC 600">600</a></li> <li><a href="/w/index.php?title=NGC_601&action=edit&redlink=1" class="new" title="NGC 601 (page does not exist)">601</a></li> <li><a href="/wiki/NGC_602" title="NGC 602">602</a></li> <li><a href="/wiki/NGC_603" class="mw-redirect" title="NGC 603">603</a></li> <li><a href="/wiki/NGC_604" title="NGC 604">604</a></li> <li><a href="/wiki/NGC_605" title="NGC 605">605</a></li> <li><a href="/wiki/NGC_606" title="NGC 606">606</a></li> <li><a href="/wiki/NGC_607" class="mw-redirect" title="NGC 607">607</a></li> <li><a href="/wiki/NGC_608" title="NGC 608">608</a></li> <li><a href="/w/index.php?title=NGC_609&action=edit&redlink=1" class="new" title="NGC 609 (page does not exist)">609</a></li> <li><a href="/wiki/NGC_610" class="mw-redirect" title="NGC 610">610</a></li> <li><a href="/wiki/NGC_611" class="mw-redirect" title="NGC 611">611</a></li> <li><a href="/wiki/NGC_612" title="NGC 612">612</a></li> <li><a href="/wiki/NGC_613" title="NGC 613">613</a></li> <li><a href="/w/index.php?title=NGC_614&action=edit&redlink=1" class="new" title="NGC 614 (page does not exist)">614</a></li> <li><a href="/wiki/NGC_615" title="NGC 615">615</a></li> <li><a href="/wiki/NGC_616" class="mw-redirect" title="NGC 616">616</a></li> <li><a href="/w/index.php?title=NGC_617&action=edit&redlink=1" class="new" title="NGC 617 (page does not exist)">617</a></li> <li><a href="/w/index.php?title=NGC_618&action=edit&redlink=1" class="new" title="NGC 618 (page does not exist)">618</a></li> <li><a href="/w/index.php?title=NGC_619&action=edit&redlink=1" class="new" title="NGC 619 (page does not exist)">619</a></li> <li><a href="/wiki/NGC_620" title="NGC 620">620</a></li> <li><a href="/w/index.php?title=NGC_621&action=edit&redlink=1" class="new" title="NGC 621 (page does not exist)">621</a></li> <li><a href="/wiki/NGC_622" title="NGC 622">622</a></li> <li><a href="/wiki/NGC_623" title="NGC 623">623</a></li> <li><a href="/wiki/NGC_624" title="NGC 624">624</a></li> <li><a href="/wiki/NGC_625" title="NGC 625">625</a></li> <li><a href="/wiki/NGC_626" title="NGC 626">626</a></li> <li><a href="/w/index.php?title=NGC_614&action=edit&redlink=1" class="new" title="NGC 614 (page does not exist)">627</a></li> <li><a href="/wiki/Messier_74" title="Messier 74">628</a></li> <li><a href="/wiki/NGC_629" class="mw-redirect" title="NGC 629">629</a></li> <li><a href="/wiki/NGC_630" title="NGC 630">630</a></li> <li><a href="/w/index.php?title=NGC_631&action=edit&redlink=1" class="new" title="NGC 631 (page does not exist)">631</a></li> <li><a href="/w/index.php?title=NGC_632&action=edit&redlink=1" class="new" title="NGC 632 (page does not exist)">632</a></li> <li><a href="/wiki/NGC_633" title="NGC 633">633</a></li> <li><a href="/wiki/NGC_634" title="NGC 634">634</a></li> <li><a href="/wiki/NGC_635" title="NGC 635">635</a></li> <li><a href="/wiki/NGC_636" title="NGC 636">636</a></li> <li><a href="/wiki/NGC_637" title="NGC 637">637</a></li> <li><a href="/wiki/NGC_638" title="NGC 638">638</a></li> <li><a href="/w/index.php?title=NGC_639&action=edit&redlink=1" class="new" title="NGC 639 (page does not exist)">639</a></li> <li><a href="/w/index.php?title=NGC_640&action=edit&redlink=1" class="new" title="NGC 640 (page does not exist)">640</a></li> <li><a href="/w/index.php?title=NGC_641&action=edit&redlink=1" class="new" title="NGC 641 (page does not exist)">641</a></li> <li><a href="/w/index.php?title=NGC_642&action=edit&redlink=1" class="new" title="NGC 642 (page does not exist)">642</a></li> <li><a href="/wiki/NGC_643" title="NGC 643">643</a></li> <li><a href="/wiki/NGC_644" title="NGC 644">644</a></li> <li><a href="/wiki/NGC_645" title="NGC 645">645</a></li> <li><a href="/wiki/NGC_646" title="NGC 646">646</a></li> <li><a href="/w/index.php?title=NGC_647&action=edit&redlink=1" class="new" title="NGC 647 (page does not exist)">647</a></li> <li><a href="/w/index.php?title=NGC_648&action=edit&redlink=1" class="new" title="NGC 648 (page does not exist)">648</a></li> <li><a href="/w/index.php?title=NGC_649&action=edit&redlink=1" class="new" title="NGC 649 (page does not exist)">649</a></li> <li><a href="/wiki/Little_Dumbbell_Nebula" title="Little Dumbbell Nebula">650</a></li> <li><a href="/wiki/Little_Dumbbell_Nebula" title="Little Dumbbell Nebula">651</a></li> <li><a href="/w/index.php?title=NGC_652&action=edit&redlink=1" class="new" title="NGC 652 (page does not exist)">652</a></li> <li><a href="/w/index.php?title=NGC_653&action=edit&redlink=1" class="new" title="NGC 653 (page does not exist)">653</a></li> <li><a href="/wiki/NGC_654" title="NGC 654">654</a></li> <li><a href="/wiki/NGC_655" title="NGC 655">655</a></li> <li><a href="/wiki/NGC_656" title="NGC 656">656</a></li> <li><a href="/wiki/NGC_657" title="NGC 657">657</a></li> <li><a href="/w/index.php?title=NGC_658&action=edit&redlink=1" class="new" title="NGC 658 (page does not exist)">658</a></li> <li><a href="/wiki/NGC_659" title="NGC 659">659</a></li> <li><a href="/wiki/NGC_660" title="NGC 660">660</a></li> <li><a href="/w/index.php?title=NGC_661&action=edit&redlink=1" class="new" title="NGC 661 (page does not exist)">661</a></li> <li><a href="/wiki/NGC_662" title="NGC 662">662</a></li> <li><a href="/wiki/NGC_663" title="NGC 663">663</a></li> <li><a href="/wiki/NGC_664" title="NGC 664">664</a></li> <li><a href="/wiki/NGC_665" title="NGC 665">665</a></li> <li><a href="/w/index.php?title=NGC_666&action=edit&redlink=1" class="new" title="NGC 666 (page does not exist)">666</a></li> <li><a href="/w/index.php?title=NGC_667&action=edit&redlink=1" class="new" title="NGC 667 (page does not exist)">667</a></li> <li><a href="/wiki/NGC_668" title="NGC 668">668</a></li> <li><a href="/wiki/NGC_669" title="NGC 669">669</a></li> <li><a href="/wiki/NGC_670" title="NGC 670">670</a></li> <li><a href="/w/index.php?title=NGC_671&action=edit&redlink=1" class="new" title="NGC 671 (page does not exist)">671</a></li> <li><a href="/wiki/NGC_672" title="NGC 672">672</a></li> <li><a href="/wiki/NGC_673" title="NGC 673">673</a></li> <li><a href="/w/index.php?title=NGC_697&action=edit&redlink=1" class="new" title="NGC 697 (page does not exist)">674</a></li> <li><a href="/w/index.php?title=NGC_675&action=edit&redlink=1" class="new" title="NGC 675 (page does not exist)">675</a></li> <li><a href="/wiki/NGC_676" title="NGC 676">676</a></li> <li><a href="/wiki/NGC_677" title="NGC 677">677</a></li> <li><a href="/w/index.php?title=NGC_678&action=edit&redlink=1" class="new" title="NGC 678 (page does not exist)">678</a></li> <li><a href="/wiki/NGC_679" title="NGC 679">679</a></li> <li><a href="/wiki/NGC_680" title="NGC 680">680</a></li> <li><a href="/wiki/NGC_681" title="NGC 681">681</a></li> <li><a href="/wiki/NGC_682" title="NGC 682">682</a></li> <li><a href="/w/index.php?title=NGC_683&action=edit&redlink=1" class="new" title="NGC 683 (page does not exist)">683</a></li> <li><a href="/wiki/NGC_684" title="NGC 684">684</a></li> <li><a href="/w/index.php?title=NGC_685&action=edit&redlink=1" class="new" title="NGC 685 (page does not exist)">685</a></li> <li><a href="/w/index.php?title=NGC_686&action=edit&redlink=1" class="new" title="NGC 686 (page does not exist)">686</a></li> <li><a href="/wiki/NGC_687" title="NGC 687">687</a></li> <li><a href="/wiki/NGC_688" title="NGC 688">688</a></li> <li><a href="/w/index.php?title=NGC_689&action=edit&redlink=1" class="new" title="NGC 689 (page does not exist)">689</a></li> <li><a href="/wiki/NGC_690" title="NGC 690">690</a></li> <li><a href="/wiki/NGC_691" title="NGC 691">691</a></li> <li><a href="/w/index.php?title=NGC_692&action=edit&redlink=1" class="new" title="NGC 692 (page does not exist)">692</a></li> <li><a href="/w/index.php?title=NGC_693&action=edit&redlink=1" class="new" title="NGC 693 (page does not exist)">693</a></li> <li><a href="/wiki/NGC_694" title="NGC 694">694</a></li> <li><a href="/wiki/NGC_695" title="NGC 695">695</a></li> <li><a href="/w/index.php?title=NGC_696&action=edit&redlink=1" class="new" title="NGC 696 (page does not exist)">696</a></li> <li><a href="/w/index.php?title=NGC_697&action=edit&redlink=1" class="new" title="NGC 697 (page does not exist)">697</a></li> <li><a href="/w/index.php?title=NGC_698&action=edit&redlink=1" class="new" title="NGC 698 (page does not exist)">698</a></li> <li><a href="/w/index.php?title=NGC_699&action=edit&redlink=1" class="new" title="NGC 699 (page does not exist)">699</a></li> <li><a href="/wiki/NGC_700" title="NGC 700">700</a></li> <li><a href="/wiki/NGC_701" title="NGC 701">701</a></li> <li><a href="/w/index.php?title=NGC_702&action=edit&redlink=1" class="new" title="NGC 702 (page does not exist)">702</a></li> <li><a href="/wiki/NGC_703" title="NGC 703">703</a></li> <li><a href="/wiki/NGC_704" title="NGC 704">704</a></li> <li><a href="/wiki/NGC_705" title="NGC 705">705</a></li> <li><a href="/wiki/NGC_706" title="NGC 706">706</a></li> <li><a href="/w/index.php?title=NGC_707&action=edit&redlink=1" class="new" title="NGC 707 (page does not exist)">707</a></li> <li><a href="/wiki/NGC_708" title="NGC 708">708</a></li> <li><a href="/wiki/NGC_709" title="NGC 709">709</a></li> <li><a href="/wiki/NGC_710" title="NGC 710">710</a></li> <li><a href="/w/index.php?title=NGC_711&action=edit&redlink=1" class="new" title="NGC 711 (page does not exist)">711</a></li> <li><a href="/wiki/NGC_712" title="NGC 712">712</a></li> <li><a href="/wiki/NGC_713" title="NGC 713">713</a></li> <li><a href="/wiki/NGC_714" title="NGC 714">714</a></li> <li><a href="/w/index.php?title=NGC_715&action=edit&redlink=1" class="new" title="NGC 715 (page does not exist)">715</a></li> <li><a href="/wiki/NGC_716" title="NGC 716">716</a></li> <li><a href="/wiki/NGC_717" title="NGC 717">717</a></li> <li><a href="/w/index.php?title=NGC_718&action=edit&redlink=1" class="new" title="NGC 718 (page does not exist)">718</a></li> <li><a href="/wiki/NGC_719" title="NGC 719">719</a></li> <li><a href="/wiki/NGC_720" title="NGC 720">720</a></li> <li><a href="/wiki/NGC_721" title="NGC 721">721</a></li> <li><a href="/w/index.php?title=NGC_722&action=edit&redlink=1" class="new" title="NGC 722 (page does not exist)">722</a></li> <li><a href="/w/index.php?title=NGC_723&action=edit&redlink=1" class="new" title="NGC 723 (page does not exist)">723</a></li> <li><a href="/w/index.php?title=NGC_724&action=edit&redlink=1" class="new" title="NGC 724 (page does not exist)">724</a></li> <li><a href="/wiki/NGC_725" title="NGC 725">725</a></li> <li><a href="/w/index.php?title=NGC_726&action=edit&redlink=1" class="new" title="NGC 726 (page does not exist)">726</a></li> <li><a href="/w/index.php?title=NGC_727&action=edit&redlink=1" class="new" title="NGC 727 (page does not exist)">727</a></li> <li><a href="/wiki/NGC_728" class="mw-redirect" title="NGC 728">728</a></li> <li><a href="/w/index.php?title=NGC_727&action=edit&redlink=1" class="new" title="NGC 727 (page does not exist)">729</a></li> <li><a href="/wiki/NGC_730" title="NGC 730">730</a></li> <li><a href="/wiki/NGC_731" title="NGC 731">731</a></li> <li><a href="/wiki/NGC_732" title="NGC 732">732</a></li> <li><a href="/wiki/NGC_733" class="mw-redirect" title="NGC 733">733</a></li> <li><a href="/wiki/NGC_734" title="NGC 734">734</a></li> <li><a href="/wiki/NGC_735" title="NGC 735">735</a></li> <li><a href="/wiki/NGC_736" title="NGC 736">736</a></li> <li><a href="/wiki/NGC_737" class="mw-redirect" title="NGC 737">737</a></li> <li><a href="/w/index.php?title=NGC_738&action=edit&redlink=1" class="new" title="NGC 738 (page does not exist)">738</a></li> <li><a href="/wiki/NGC_739" title="NGC 739">739</a></li> <li><a href="/wiki/NGC_740" title="NGC 740">740</a></li> <li><a href="/wiki/NGC_741" title="NGC 741">741</a></li> <li><a href="/w/index.php?title=NGC_742&action=edit&redlink=1" class="new" title="NGC 742 (page does not exist)">742</a></li> <li><a href="/w/index.php?title=NGC_743&action=edit&redlink=1" class="new" title="NGC 743 (page does not exist)">743</a></li> <li><a href="/w/index.php?title=NGC_744&action=edit&redlink=1" class="new" title="NGC 744 (page does not exist)">744</a></li> <li><a href="/w/index.php?title=NGC_745&action=edit&redlink=1" class="new" title="NGC 745 (page does not exist)">745</a></li> <li><a href="/w/index.php?title=NGC_746&action=edit&redlink=1" class="new" title="NGC 746 (page does not exist)">746</a></li> <li><a href="/wiki/NGC_747" title="NGC 747">747</a></li> <li><a href="/w/index.php?title=NGC_748&action=edit&redlink=1" class="new" title="NGC 748 (page does not exist)">748</a></li> <li><a href="/w/index.php?title=NGC_749&action=edit&redlink=1" class="new" title="NGC 749 (page does not exist)">749</a></li> <li><a href="/wiki/NGC_750" title="NGC 750">750</a></li> <li><a href="/wiki/NGC_751" title="NGC 751">751</a></li> <li><a href="/wiki/NGC_752" title="NGC 752">752</a></li> <li><a href="/wiki/NGC_753" title="NGC 753">753</a></li> <li><a href="/w/index.php?title=NGC_754&action=edit&redlink=1" class="new" title="NGC 754 (page does not exist)">754</a></li> <li><a href="/wiki/NGC_755" title="NGC 755">755</a></li> <li><a href="/w/index.php?title=NGC_756&action=edit&redlink=1" class="new" title="NGC 756 (page does not exist)">756</a></li> <li><a href="/wiki/NGC_731" title="NGC 731">757</a></li> <li><a href="/w/index.php?title=NGC_758&action=edit&redlink=1" class="new" title="NGC 758 (page does not exist)">758</a></li> <li><a href="/wiki/NGC_759" title="NGC 759">759</a></li> <li><a href="/wiki/NGC_760" class="mw-redirect" title="NGC 760">760</a></li> <li><a href="/w/index.php?title=NGC_761&action=edit&redlink=1" class="new" title="NGC 761 (page does not exist)">761</a></li> <li><a href="/w/index.php?title=NGC_762&action=edit&redlink=1" class="new" title="NGC 762 (page does not exist)">762</a></li> <li><a href="/wiki/NGC_755" title="NGC 755">763</a></li> <li><a href="/wiki/NGC_764" class="mw-redirect" title="NGC 764">764</a></li> <li><a href="/wiki/NGC_765" title="NGC 765">765</a></li> <li><a href="/wiki/NGC_766" title="NGC 766">766</a></li> <li><a href="/wiki/NGC_767" title="NGC 767">767</a></li> <li><a href="/wiki/NGC_768" title="NGC 768">768</a></li> <li><a href="/wiki/NGC_769" title="NGC 769">769</a></li> <li><a href="/wiki/NGC_770" title="NGC 770">770</a></li> <li><a href="/wiki/50_Cassiopeiae" title="50 Cassiopeiae">771</a></li> <li><a href="/wiki/NGC_772" title="NGC 772">772</a></li> <li><a href="/w/index.php?title=NGC_773&action=edit&redlink=1" class="new" title="NGC 773 (page does not exist)">773</a></li> <li><a href="/w/index.php?title=NGC_774&action=edit&redlink=1" class="new" title="NGC 774 (page does not exist)">774</a></li> <li><a href="/w/index.php?title=NGC_775&action=edit&redlink=1" class="new" title="NGC 775 (page does not exist)">775</a></li> <li><a href="/w/index.php?title=NGC_776&action=edit&redlink=1" class="new" title="NGC 776 (page does not exist)">776</a></li> <li><a href="/wiki/NGC_777" title="NGC 777">777</a></li> <li><a href="/w/index.php?title=NGC_778&action=edit&redlink=1" class="new" title="NGC 778 (page does not exist)">778</a></li> <li><a href="/wiki/NGC_779" title="NGC 779">779</a></li> <li><a href="/w/index.php?title=NGC_780&action=edit&redlink=1" class="new" title="NGC 780 (page does not exist)">780</a></li> <li><a href="/wiki/NGC_781" title="NGC 781">781</a></li> <li><a href="/wiki/NGC_782" title="NGC 782">782</a></li> <li><a href="/w/index.php?title=NGC_783&action=edit&redlink=1" class="new" title="NGC 783 (page does not exist)">783</a></li> <li><a href="/wiki/NGC_784" title="NGC 784">784</a></li> <li><a href="/wiki/NGC_785" title="NGC 785">785</a></li> <li><a href="/w/index.php?title=NGC_786&action=edit&redlink=1" class="new" title="NGC 786 (page does not exist)">786</a></li> <li><a href="/w/index.php?title=NGC_787&action=edit&redlink=1" class="new" title="NGC 787 (page does not exist)">787</a></li> <li><a href="/wiki/NGC_788" title="NGC 788">788</a></li> <li><a href="/w/index.php?title=NGC_789&action=edit&redlink=1" class="new" title="NGC 789 (page does not exist)">789</a></li> <li><a href="/wiki/NGC_790" title="NGC 790">790</a></li> <li><a href="/w/index.php?title=NGC_791&action=edit&redlink=1" class="new" title="NGC 791 (page does not exist)">791</a></li> <li><a href="/w/index.php?title=NGC_792&action=edit&redlink=1" class="new" title="NGC 792 (page does not exist)">792</a></li> <li><a href="/wiki/NGC_793" class="mw-redirect" title="NGC 793">793</a></li> <li><a href="/w/index.php?title=NGC_794&action=edit&redlink=1" class="new" title="NGC 794 (page does not exist)">794</a></li> <li><a href="/w/index.php?title=NGC_795&action=edit&redlink=1" class="new" title="NGC 795 (page does not exist)">795</a></li> <li><a href="/w/index.php?title=NGC_796&action=edit&redlink=1" class="new" title="NGC 796 (page does not exist)">796</a></li> <li><a href="/w/index.php?title=NGC_797&action=edit&redlink=1" class="new" title="NGC 797 (page does not exist)">797</a></li> <li><a href="/w/index.php?title=NGC_798&action=edit&redlink=1" class="new" title="NGC 798 (page does not exist)">798</a></li> <li><a href="/w/index.php?title=NGC_799&action=edit&redlink=1" class="new" title="NGC 799 (page does not exist)">799</a></li> <li><a href="/wiki/NGC_800" title="NGC 800">800</a></li> <li><a href="/wiki/NGC_801" title="NGC 801">801</a></li> <li><a href="/wiki/NGC_802" title="NGC 802">802</a></li> <li><a href="/wiki/NGC_803" title="NGC 803">803</a></li> <li><a href="/wiki/NGC_804" title="NGC 804">804</a></li> <li><a href="/wiki/NGC_805" title="NGC 805">805</a></li> <li><a href="/wiki/NGC_806" title="NGC 806">806</a></li> <li><a href="/wiki/NGC_807" title="NGC 807">807</a></li> <li><a href="/w/index.php?title=NGC_808&action=edit&redlink=1" class="new" title="NGC 808 (page does not exist)">808</a></li> <li><a href="/w/index.php?title=NGC_809&action=edit&redlink=1" class="new" title="NGC 809 (page does not exist)">809</a></li> <li><a href="/wiki/NGC_810" title="NGC 810">810</a></li> <li><a href="/wiki/NGC_811" title="NGC 811">811</a></li> <li><a href="/wiki/NGC_812" title="NGC 812">812</a></li> <li><a href="/wiki/NGC_813" title="NGC 813">813</a></li> <li><a href="/wiki/NGC_814" title="NGC 814">814</a></li> <li><a href="/w/index.php?title=NGC_815&action=edit&redlink=1" class="new" title="NGC 815 (page does not exist)">815</a></li> <li><a href="/w/index.php?title=NGC_816&action=edit&redlink=1" class="new" title="NGC 816 (page does not exist)">816</a></li> <li><a href="/wiki/NGC_817" title="NGC 817">817</a></li> <li><a href="/w/index.php?title=NGC_818&action=edit&redlink=1" class="new" title="NGC 818 (page does not exist)">818</a></li> <li><a href="/wiki/NGC_819" title="NGC 819">819</a></li> <li><a href="/wiki/NGC_820" title="NGC 820">820</a></li> <li><a href="/wiki/NGC_821" title="NGC 821">821</a></li> <li><a href="/wiki/NGC_822" title="NGC 822">822</a></li> <li><a href="/wiki/NGC_823" title="NGC 823">823</a></li> <li><a href="/wiki/NGC_824" title="NGC 824">824</a></li> <li><a href="/wiki/NGC_825" title="NGC 825">825</a></li> <li><a href="/w/index.php?title=NGC_826&action=edit&redlink=1" class="new" title="NGC 826 (page does not exist)">826</a></li> <li><a href="/w/index.php?title=NGC_827&action=edit&redlink=1" class="new" title="NGC 827 (page does not exist)">827</a></li> <li><a href="/wiki/NGC_828" title="NGC 828">828</a></li> <li><a href="/w/index.php?title=NGC_829&action=edit&redlink=1" class="new" title="NGC 829 (page does not exist)">829</a></li> <li><a href="/wiki/NGC_830" title="NGC 830">830</a></li> <li><a href="/w/index.php?title=NGC_831&action=edit&redlink=1" class="new" title="NGC 831 (page does not exist)">831</a></li> <li><a href="/w/index.php?title=NGC_832&action=edit&redlink=1" class="new" title="NGC 832 (page does not exist)">832</a></li> <li><a href="/wiki/NGC_833" title="NGC 833">833</a></li> <li><a href="/wiki/NGC_834" title="NGC 834">834</a></li> <li><a href="/w/index.php?title=NGC_835&action=edit&redlink=1" class="new" title="NGC 835 (page does not exist)">835</a></li> <li><a href="/w/index.php?title=NGC_836&action=edit&redlink=1" class="new" title="NGC 836 (page does not exist)">836</a></li> <li><a href="/w/index.php?title=NGC_837&action=edit&redlink=1" class="new" title="NGC 837 (page does not exist)">837</a></li> <li><a href="/wiki/NGC_838" title="NGC 838">838</a></li> <li><a href="/wiki/NGC_839" title="NGC 839">839</a></li> <li><a href="/wiki/NGC_840" title="NGC 840">840</a></li> <li><a href="/w/index.php?title=NGC_841&action=edit&redlink=1" class="new" title="NGC 841 (page does not exist)">841</a></li> <li><a href="/w/index.php?title=NGC_842&action=edit&redlink=1" class="new" title="NGC 842 (page does not exist)">842</a></li> <li><a href="/wiki/NGC_843" class="mw-redirect" title="NGC 843">843</a></li> <li><a href="/w/index.php?title=NGC_844&action=edit&redlink=1" class="new" title="NGC 844 (page does not exist)">844</a></li> <li><a href="/w/index.php?title=NGC_845&action=edit&redlink=1" class="new" title="NGC 845 (page does not exist)">845</a></li> <li><a href="/w/index.php?title=NGC_846&action=edit&redlink=1" class="new" title="NGC 846 (page does not exist)">846</a></li> <li><a href="/w/index.php?title=NGC_847&action=edit&redlink=1" class="new" title="NGC 847 (page does not exist)">847</a></li> <li><a href="/w/index.php?title=NGC_848&action=edit&redlink=1" class="new" title="NGC 848 (page does not exist)">848</a></li> <li><a href="/w/index.php?title=NGC_849&action=edit&redlink=1" class="new" title="NGC 849 (page does not exist)">849</a></li> <li><a href="/wiki/NGC_850" title="NGC 850">850</a></li> <li><a href="/w/index.php?title=NGC_851&action=edit&redlink=1" class="new" title="NGC 851 (page does not exist)">851</a></li> <li><a href="/wiki/NGC_852" title="NGC 852">852</a></li> <li><a href="/w/index.php?title=NGC_853&action=edit&redlink=1" class="new" title="NGC 853 (page does not exist)">853</a></li> <li><a href="/w/index.php?title=NGC_854&action=edit&redlink=1" class="new" title="NGC 854 (page does not exist)">854</a></li> <li><a href="/wiki/NGC_855" title="NGC 855">855</a></li> <li><a href="/w/index.php?title=NGC_856&action=edit&redlink=1" class="new" title="NGC 856 (page does not exist)">856</a></li> <li><a href="/w/index.php?title=NGC_857&action=edit&redlink=1" class="new" title="NGC 857 (page does not exist)">857</a></li> <li><a href="/w/index.php?title=NGC_858&action=edit&redlink=1" class="new" title="NGC 858 (page does not exist)">858</a></li> <li><a href="/w/index.php?title=NGC_859&action=edit&redlink=1" class="new" title="NGC 859 (page does not exist)">859</a></li> <li><a href="/wiki/NGC_860" title="NGC 860">860</a></li> <li><a href="/wiki/NGC_861" title="NGC 861">861</a></li> <li><a href="/wiki/NGC_862" title="NGC 862">862</a></li> <li><a href="/wiki/NGC_863" class="mw-redirect" title="NGC 863">863</a></li> <li><a href="/wiki/NGC_864" title="NGC 864">864</a></li> <li><a href="/w/index.php?title=NGC_865&action=edit&redlink=1" class="new" title="NGC 865 (page does not exist)">865</a></li> <li><a href="/wiki/NGC_863" class="mw-redirect" title="NGC 863">866</a></li> <li><a href="/w/index.php?title=NGC_867&action=edit&redlink=1" class="new" title="NGC 867 (page does not exist)">867</a></li> <li><a href="/w/index.php?title=NGC_868&action=edit&redlink=1" class="new" title="NGC 868 (page does not exist)">868</a></li> <li><a href="/wiki/NGC_869" title="NGC 869">869</a></li> <li><a href="/w/index.php?title=NGC_870&action=edit&redlink=1" class="new" title="NGC 870 (page does not exist)">870</a></li> <li><a href="/wiki/NGC_871" title="NGC 871">871</a></li> <li><a href="/w/index.php?title=NGC_872&action=edit&redlink=1" class="new" title="NGC 872 (page does not exist)">872</a></li> <li><a href="/w/index.php?title=NGC_873&action=edit&redlink=1" class="new" title="NGC 873 (page does not exist)">873</a></li> <li><a href="/wiki/NGC_874" title="NGC 874">874</a></li> <li><a href="/w/index.php?title=NGC_875&action=edit&redlink=1" class="new" title="NGC 875 (page does not exist)">875</a></li> <li><a href="/w/index.php?title=NGC_876&action=edit&redlink=1" class="new" title="NGC 876 (page does not exist)">876</a></li> <li><a href="/wiki/NGC_877" title="NGC 877">877</a></li> <li><a href="/w/index.php?title=NGC_878&action=edit&redlink=1" class="new" title="NGC 878 (page does not exist)">878</a></li> <li><a href="/w/index.php?title=NGC_879&action=edit&redlink=1" class="new" title="NGC 879 (page does not exist)">879</a></li> <li><a href="/wiki/NGC_880" title="NGC 880">880</a></li> <li><a href="/w/index.php?title=NGC_881&action=edit&redlink=1" class="new" title="NGC 881 (page does not exist)">881</a></li> <li><a href="/w/index.php?title=NGC_882&action=edit&redlink=1" class="new" title="NGC 882 (page does not exist)">882</a></li> <li><a href="/w/index.php?title=NGC_883&action=edit&redlink=1" class="new" title="NGC 883 (page does not exist)">883</a></li> <li><a href="/wiki/NGC_884" title="NGC 884">884</a></li> <li><a href="/wiki/NGC_863" class="mw-redirect" title="NGC 863">885</a></li> <li><a href="/w/index.php?title=NGC_886&action=edit&redlink=1" class="new" title="NGC 886 (page does not exist)">886</a></li> <li><a href="/w/index.php?title=NGC_887&action=edit&redlink=1" class="new" title="NGC 887 (page does not exist)">887</a></li> <li><a href="/w/index.php?title=NGC_888&action=edit&redlink=1" class="new" title="NGC 888 (page does not exist)">888</a></li> <li><a href="/w/index.php?title=NGC_889&action=edit&redlink=1" class="new" title="NGC 889 (page does not exist)">889</a></li> <li><a href="/wiki/NGC_890" title="NGC 890">890</a></li> <li><a href="/wiki/NGC_891" title="NGC 891">891</a></li> <li><a href="/w/index.php?title=NGC_892&action=edit&redlink=1" class="new" title="NGC 892 (page does not exist)">892</a></li> <li><a href="/w/index.php?title=NGC_893&action=edit&redlink=1" class="new" title="NGC 893 (page does not exist)">893</a></li> <li><a href="/w/index.php?title=NGC_894&action=edit&redlink=1" class="new" title="NGC 894 (page does not exist)">894</a></li> <li><a href="/wiki/NGC_895" title="NGC 895">895</a></li> <li><a href="/wiki/NGC_896" class="mw-redirect" title="NGC 896">896</a></li> <li><a href="/w/index.php?title=NGC_897&action=edit&redlink=1" class="new" title="NGC 897 (page does not exist)">897</a></li> <li><a href="/w/index.php?title=NGC_898&action=edit&redlink=1" class="new" title="NGC 898 (page does not exist)">898</a></li> <li><a href="/w/index.php?title=NGC_899&action=edit&redlink=1" class="new" title="NGC 899 (page does not exist)">899</a></li> <li><a href="/wiki/NGC_900" title="NGC 900">900</a></li> <li><a href="/wiki/NGC_901" title="NGC 901">901</a></li> <li><a href="/wiki/NGC_902" title="NGC 902">902</a></li> <li><a href="/wiki/NGC_903" title="NGC 903">903</a></li> <li><a href="/wiki/NGC_904" title="NGC 904">904</a></li> <li><a href="/wiki/NGC_905" title="NGC 905">905</a></li> <li><a href="/wiki/NGC_906" title="NGC 906">906</a></li> <li><a href="/w/index.php?title=NGC_907&action=edit&redlink=1" class="new" title="NGC 907 (page does not exist)">907</a></li> <li><a href="/wiki/NGC_908" title="NGC 908">908</a></li> <li><a href="/w/index.php?title=NGC_909&action=edit&redlink=1" class="new" title="NGC 909 (page does not exist)">909</a></li> <li><a href="/wiki/NGC_910" title="NGC 910">910</a></li> <li><a href="/wiki/NGC_911" title="NGC 911">911</a></li> <li><a href="/wiki/NGC_912" title="NGC 912">912</a></li> <li><a href="/wiki/NGC_913" title="NGC 913">913</a></li> <li><a href="/w/index.php?title=NGC_914&action=edit&redlink=1" class="new" title="NGC 914 (page does not exist)">914</a></li> <li><a href="/w/index.php?title=NGC_915&action=edit&redlink=1" class="new" title="NGC 915 (page does not exist)">915</a></li> <li><a href="/w/index.php?title=NGC_916&action=edit&redlink=1" class="new" title="NGC 916 (page does not exist)">916</a></li> <li><a href="/w/index.php?title=NGC_917&action=edit&redlink=1" class="new" title="NGC 917 (page does not exist)">917</a></li> <li><a href="/wiki/NGC_918" title="NGC 918">918</a></li> <li><a href="/w/index.php?title=NGC_919&action=edit&redlink=1" class="new" title="NGC 919 (page does not exist)">919</a></li> <li><a href="/wiki/NGC_920" title="NGC 920">920</a></li> <li><a href="/w/index.php?title=NGC_921&action=edit&redlink=1" class="new" title="NGC 921 (page does not exist)">921</a></li> <li><a href="/wiki/NGC_922" title="NGC 922">922</a></li> <li><a href="/w/index.php?title=NGC_923&action=edit&redlink=1" class="new" title="NGC 923 (page does not exist)">923</a></li> <li><a href="/w/index.php?title=NGC_924&action=edit&redlink=1" class="new" title="NGC 924 (page does not exist)">924</a></li> <li><a href="/wiki/NGC_925" title="NGC 925">925</a></li> <li><a href="/w/index.php?title=NGC_926&action=edit&redlink=1" class="new" title="NGC 926 (page does not exist)">926</a></li> <li><a href="/w/index.php?title=NGC_927&action=edit&redlink=1" class="new" title="NGC 927 (page does not exist)">927</a></li> <li><a href="/w/index.php?title=NGC_928&action=edit&redlink=1" class="new" title="NGC 928 (page does not exist)">928</a></li> <li><a href="/w/index.php?title=NGC_929&action=edit&redlink=1" class="new" title="NGC 929 (page does not exist)">929</a></li> <li><a href="/wiki/NGC_930" class="mw-redirect" title="NGC 930">930</a></li> <li><a class="mw-selflink selflink">931</a></li> <li><a href="/w/index.php?title=NGC_932&action=edit&redlink=1" class="new" title="NGC 932 (page does not exist)">932</a></li> <li><a href="/w/index.php?title=NGC_933&action=edit&redlink=1" class="new" title="NGC 933 (page does not exist)">933</a></li> <li><a href="/w/index.php?title=NGC_934&action=edit&redlink=1" class="new" title="NGC 934 (page does not exist)">934</a></li> <li><a href="/wiki/Arp_276" class="mw-redirect" title="Arp 276">935</a></li> <li><a href="/wiki/NGC_936" title="NGC 936">936</a></li> <li><a href="/wiki/NGC_937" title="NGC 937">937</a></li> <li><a href="/wiki/NGC_938" title="NGC 938">938</a></li> <li><a href="/wiki/NGC_939" title="NGC 939">939</a></li> <li><a href="/wiki/NGC_940" title="NGC 940">940</a></li> <li><a href="/wiki/NGC_941" title="NGC 941">941</a></li> <li><a href="/w/index.php?title=NGC_942&action=edit&redlink=1" class="new" title="NGC 942 (page does not exist)">942</a></li> <li><a href="/w/index.php?title=NGC_943&action=edit&redlink=1" class="new" title="NGC 943 (page does not exist)">943</a></li> <li><a href="/w/index.php?title=NGC_944&action=edit&redlink=1" class="new" title="NGC 944 (page does not exist)">944</a></li> <li><a href="/wiki/NGC_945" title="NGC 945">945</a></li> <li><a href="/w/index.php?title=NGC_946&action=edit&redlink=1" class="new" title="NGC 946 (page does not exist)">946</a></li> <li><a href="/w/index.php?title=NGC_947&action=edit&redlink=1" class="new" title="NGC 947 (page does not exist)">947</a></li> <li><a href="/wiki/NGC_948" class="mw-redirect" title="NGC 948">948</a></li> <li><a href="/w/index.php?title=NGC_949&action=edit&redlink=1" class="new" title="NGC 949 (page does not exist)">949</a></li> <li><a href="/wiki/NGC_950" title="NGC 950">950</a></li> <li><a href="/w/index.php?title=NGC_951&action=edit&redlink=1" class="new" title="NGC 951 (page does not exist)">951</a></li> <li><a href="/wiki/NGC_952" class="mw-redirect" title="NGC 952">952</a></li> <li><a href="/wiki/NGC_953" title="NGC 953">953</a></li> <li><a href="/w/index.php?title=NGC_954&action=edit&redlink=1" class="new" title="NGC 954 (page does not exist)">954</a></li> <li><a href="/w/index.php?title=NGC_955&action=edit&redlink=1" class="new" title="NGC 955 (page does not exist)">955</a></li> <li><a href="/wiki/NGC_956" title="NGC 956">956</a></li> <li><a href="/wiki/NGC_957" title="NGC 957">957</a></li> <li><a href="/wiki/NGC_958" title="NGC 958">958</a></li> <li><a href="/wiki/NGC_959" title="NGC 959">959</a></li> <li><a href="/wiki/NGC_960" title="NGC 960">960</a></li> <li><a href="/w/index.php?title=NGC_961&action=edit&redlink=1" class="new" title="NGC 961 (page does not exist)">961</a></li> <li><a href="/w/index.php?title=NGC_962&action=edit&redlink=1" class="new" title="NGC 962 (page does not exist)">962</a></li> <li><a href="/w/index.php?title=NGC_963&action=edit&redlink=1" class="new" title="NGC 963 (page does not exist)">963</a></li> <li><a href="/w/index.php?title=NGC_964&action=edit&redlink=1" class="new" title="NGC 964 (page does not exist)">964</a></li> <li><a href="/wiki/NGC_965" title="NGC 965">965</a></li> <li><a href="/wiki/NGC_966" title="NGC 966">966</a></li> <li><a href="/w/index.php?title=NGC_967&action=edit&redlink=1" class="new" title="NGC 967 (page does not exist)">967</a></li> <li><a href="/w/index.php?title=NGC_968&action=edit&redlink=1" class="new" title="NGC 968 (page does not exist)">968</a></li> <li><a href="/w/index.php?title=NGC_969&action=edit&redlink=1" class="new" title="NGC 969 (page does not exist)">969</a></li> <li><a href="/wiki/NGC_970" title="NGC 970">970</a></li> <li><a href="/wiki/NGC_971" class="mw-redirect" title="NGC 971">971</a></li> <li><a href="/wiki/NGC_972" title="NGC 972">972</a></li> <li><a href="/wiki/NGC_973" title="NGC 973">973</a></li> <li><a href="/w/index.php?title=NGC_974&action=edit&redlink=1" class="new" title="NGC 974 (page does not exist)">974</a></li> <li><a href="/w/index.php?title=NGC_975&action=edit&redlink=1" class="new" title="NGC 975 (page does not exist)">975</a></li> <li><a href="/w/index.php?title=NGC_976&action=edit&redlink=1" class="new" title="NGC 976 (page does not exist)">976</a></li> <li><a href="/w/index.php?title=NGC_977&action=edit&redlink=1" class="new" title="NGC 977 (page does not exist)">977</a></li> <li><a href="/w/index.php?title=NGC_978&action=edit&redlink=1" class="new" title="NGC 978 (page does not exist)">978</a></li> <li><a href="/wiki/NGC_979" title="NGC 979">979</a></li> <li><a href="/wiki/NGC_980" title="NGC 980">980</a></li> <li><a href="/w/index.php?title=NGC_981&action=edit&redlink=1" class="new" title="NGC 981 (page does not exist)">981</a></li> <li><a href="/w/index.php?title=NGC_982&action=edit&redlink=1" class="new" title="NGC 982 (page does not exist)">982</a></li> <li><a href="/w/index.php?title=NGC_983&action=edit&redlink=1" class="new" title="NGC 983 (page does not exist)">983</a></li> <li><a href="/w/index.php?title=NGC_984&action=edit&redlink=1" class="new" title="NGC 984 (page does not exist)">984</a></li> <li><a href="/wiki/NGC_985" title="NGC 985">985</a></li> <li><a href="/wiki/NGC_986" title="NGC 986">986</a></li> <li><a href="/w/index.php?title=NGC_987&action=edit&redlink=1" class="new" title="NGC 987 (page does not exist)">987</a></li> <li><a href="/wiki/NGC_988" title="NGC 988">988</a></li> <li><a href="/w/index.php?title=NGC_989&action=edit&redlink=1" class="new" title="NGC 989 (page does not exist)">989</a></li> <li><a href="/wiki/NGC_990" title="NGC 990">990</a></li> <li><a href="/wiki/NGC_991" title="NGC 991">991</a></li> <li><a href="/wiki/NGC_992" title="NGC 992">992</a></li> <li><a href="/w/index.php?title=NGC_993&action=edit&redlink=1" class="new" title="NGC 993 (page does not exist)">993</a></li> <li><a href="/w/index.php?title=NGC_993&action=edit&redlink=1" class="new" title="NGC 993 (page does not exist)">994</a></li> <li><a href="/wiki/NGC_995" title="NGC 995">995</a></li> <li><a href="/wiki/NGC_996" title="NGC 996">996</a></li> <li><a href="/wiki/NGC_997" title="NGC 997">997</a></li> <li><a href="/wiki/NGC_998" title="NGC 998">998</a></li> <li><a href="/wiki/NGC_999" title="NGC 999">999</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/Astronomical_catalog" title="Astronomical catalog">Astronomical catalog</a></li> <li><a href="/wiki/List_of_NGC_objects" title="List of NGC objects">List of NGC objects</a> <ul><li><a href="/wiki/List_of_NGC_objects_(1%E2%80%931000)" title="List of NGC objects (1–1000)">1–1000</a></li></ul></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"></div><div role="navigation" class="navbox" aria-labelledby="Astronomical_catalogs" 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:Astronomical_catalogs" title="Template:Astronomical catalogs"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Astronomical_catalogs" title="Template talk:Astronomical catalogs"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Astronomical_catalogs" title="Special:EditPage/Template:Astronomical catalogs"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Astronomical_catalogs" style="font-size:114%;margin:0 4em"><a href="/wiki/Astronomical_catalog" title="Astronomical catalog">Astronomical catalogs</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/New_General_Catalogue" title="New General Catalogue">NGC</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0;background: transparent;"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=NGC_926&action=edit&redlink=1" class="new" title="NGC 926 (page does not exist)">NGC 926</a></li> <li><a href="/w/index.php?title=NGC_927&action=edit&redlink=1" class="new" title="NGC 927 (page does not exist)">NGC 927</a></li> <li><a href="/w/index.php?title=NGC_928&action=edit&redlink=1" class="new" title="NGC 928 (page does not exist)">NGC 928</a></li> <li><a href="/w/index.php?title=NGC_929&action=edit&redlink=1" class="new" title="NGC 929 (page does not exist)">NGC 929</a></li> <li><a href="/wiki/NGC_930" class="mw-redirect" title="NGC 930">NGC 930</a></li> <li><b>NGC 931</b></li> <li><a href="/w/index.php?title=NGC_932&action=edit&redlink=1" class="new" title="NGC 932 (page does not exist)">NGC 932</a></li> <li><a href="/w/index.php?title=NGC_933&action=edit&redlink=1" class="new" title="NGC 933 (page does not exist)">NGC 933</a></li> <li><a href="/w/index.php?title=NGC_934&action=edit&redlink=1" class="new" title="NGC 934 (page does not exist)">NGC 934</a></li> <li><a href="/wiki/NGC_935" class="mw-redirect" title="NGC 935">NGC 935</a></li> <li><a href="/wiki/NGC_936" title="NGC 936">NGC 936</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Principal_Galaxies_Catalogue" title="Principal Galaxies Catalogue">PGC</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0;background: transparent;"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=PGC_9791&action=edit&redlink=1" class="new" title="PGC 9791 (page does not exist)">PGC 9791</a></li> <li><a href="/w/index.php?title=PGC_9792&action=edit&redlink=1" class="new" title="PGC 9792 (page does not exist)">PGC 9792</a></li> <li><a href="/w/index.php?title=PGC_9793&action=edit&redlink=1" class="new" title="PGC 9793 (page does not exist)">PGC 9793</a></li> <li><a href="/w/index.php?title=PGC_9794&action=edit&redlink=1" class="new" title="PGC 9794 (page does not exist)">PGC 9794</a></li> <li><b>PGC 9795</b></li> <li><a href="/w/index.php?title=PGC_9796&action=edit&redlink=1" class="new" title="PGC 9796 (page does not exist)">PGC 9796</a></li> <li><a href="/w/index.php?title=PGC_9797&action=edit&redlink=1" class="new" title="PGC 9797 (page does not exist)">PGC 9797</a></li> <li><a href="/w/index.php?title=PGC_9798&action=edit&redlink=1" class="new" title="PGC 9798 (page does not exist)">PGC 9798</a></li> <li><a href="/w/index.php?title=PGC_9799&action=edit&redlink=1" class="new" title="PGC 9799 (page does not exist)">PGC 9799</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Uppsala_General_Catalogue" title="Uppsala General Catalogue">UGC</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0;background: transparent;"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=UGC_1931&action=edit&redlink=1" class="new" title="UGC 1931 (page does not exist)">UGC 1931</a></li> <li><a href="/w/index.php?title=UGC_1932&action=edit&redlink=1" class="new" title="UGC 1932 (page does not exist)">UGC 1932</a></li> <li><a href="/w/index.php?title=UGC_1933&action=edit&redlink=1" class="new" title="UGC 1933 (page does not exist)">UGC 1933</a></li> <li><a href="/w/index.php?title=UGC_1934&action=edit&redlink=1" class="new" title="UGC 1934 (page does not exist)">UGC 1934</a></li> <li><b>UGC 1935</b></li> <li><a href="/wiki/UGC_1936" class="mw-redirect" title="UGC 1936">UGC 1936</a></li> <li><a href="/wiki/UGC_1937" class="mw-redirect" title="UGC 1937">UGC 1937</a></li> <li><a href="/w/index.php?title=UGC_1938&action=edit&redlink=1" class="new" title="UGC 1938 (page does not exist)">UGC 1938</a></li> <li><a href="/w/index.php?title=UGC_1939&action=edit&redlink=1" class="new" title="UGC 1939 (page does not exist)">UGC 1939</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=NGC_931&oldid=1235267323">https://en.wikipedia.org/w/index.php?title=NGC_931&oldid=1235267323</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Spiral_galaxies" title="Category:Spiral galaxies">Spiral galaxies</a></li><li><a href="/wiki/Category:Seyfert_galaxies" title="Category:Seyfert galaxies">Seyfert galaxies</a></li><li><a href="/wiki/Category:Triangulum" title="Category:Triangulum">Triangulum</a></li><li><a href="/wiki/Category:NGC_objects" title="Category:NGC objects">NGC objects</a></li><li><a href="/wiki/Category:UGC_objects" title="Category:UGC objects">UGC objects</a></li><li><a href="/wiki/Category:Principal_Galaxies_Catalogue_objects" title="Category:Principal Galaxies Catalogue objects">Principal Galaxies Catalogue objects</a></li><li><a href="/wiki/Category:Markarian_galaxies" title="Category:Markarian galaxies">Markarian galaxies</a></li><li><a href="/wiki/Category:Astronomical_objects_discovered_in_1865" title="Category:Astronomical objects discovered in 1865">Astronomical objects discovered in 1865</a></li><li><a href="/wiki/Category:Discoveries_by_Heinrich_Louis_d%27Arrest" title="Category:Discoveries by Heinrich Louis d'Arrest">Discoveries by Heinrich Louis d'Arrest</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">CS1 maint: multiple names: authors list</a></li><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Commons_category_link_from_Wikidata" title="Category:Commons category link from Wikidata">Commons category link from Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 18 July 2024, at 13:16<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=NGC_931&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-688fc9465-2h4ql","wgBackendResponseTime":173,"wgPageParseReport":{"limitreport":{"cputime":"0.577","walltime":"0.800","ppvisitednodes":{"value":2668,"limit":1000000},"postexpandincludesize":{"value":126007,"limit":2097152},"templateargumentsize":{"value":5644,"limit":2097152},"expansiondepth":{"value":14,"limit":100},"expensivefunctioncount":{"value":4,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":87939,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 601.377 1 -total"," 32.92% 197.957 1 Template:Reflist"," 23.78% 143.018 7 Template:Navbox"," 19.85% 119.365 1 Template:Stars_of_Triangulum"," 19.26% 115.801 1 Template:Constellation_navbox"," 17.34% 104.299 6 Template:Cite_web"," 13.16% 79.171 1 Template:Commonscat"," 12.50% 75.193 1 Template:Infobox_galaxy"," 12.46% 74.952 1 Template:Sister_project"," 12.07% 72.585 1 Template:Side_box"]},"scribunto":{"limitreport-timeusage":{"value":"0.316","limit":"10.000"},"limitreport-memusage":{"value":5602423,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-f69cdc8f6-r8l5s","timestamp":"20241123024625","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"NGC 931","url":"https:\/\/en.wikipedia.org\/wiki\/NGC_931","sameAs":"http:\/\/www.wikidata.org\/entity\/Q1040283","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q1040283","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2019-07-04T23:06:25Z","dateModified":"2024-07-18T13:16:29Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/9\/95\/NGC_931_-HST-606.png","headline":"galaxy"}</script> </body> </html>