EntityQ1121230· pop 31· linked from 539 articlesQ1121230Sign in to savegalaxyConnectionslight-yearEntityparsecEntityepochEntityQ544846EntityQ1119115EntityArp 240EntityNGC 5090 and NGC 5091EntityconstellationEntityX-rayEntityUrsa MajorEntityHubble Space TelescopeEntitysupernovaEntitydigital object identifierEntitydark matterEntityredshiftEntityapparent magnitudeEntityinterstellar mediumEntitydeclinationEntityright ascensionEntityspiral galaxyEntityCategoriesIntermediate spiral galaxiesIRAS catalogue objectsM101 GroupMCG objectsNGC objectsPrincipal Galaxies Catalogue objectsUGC objectsUrsa Major