EntityQ1536497· pop 24· linked from 27 articlesM81 GroupSign in to savegroup of galaxiesConnectionsNew General CatalogueEntityepochEntityhydrogenEntitysecondEntityInternational Standard Book NumberEntityconstellationEntitykilometreEntityUrsa MajorEntitydigital object identifierEntityparsecEntityredshiftEntityCamelopardalisEntitysolar massEntityapparent magnitudeEntityinterstellar mediumEntityright ascensionEntitydeclinationEntityLocal GroupEntityQ180686EntityMessier 81EntityCategoriesGalaxy clustersM81 GroupVirgo Supercluster