EntityQ525034· pop 30· linked from 456 articlesQ525034Sign in to savegalaxyConnectionsQ1105445EntityNGC 3977Entitylist of NGC objects (3001–4000)EntityNGC 3632Entitylight-yearEntityconstellationEntityWilliam HerschelEntityLeoEntitysupernovaEntitydigital object identifierEntityInternational Standard Serial NumberEntityparsecEntityInternational Astronomical UnionEntityapparent magnitudeEntityright ascensionEntitydeclinationEntityNew General CatalogueEntityastronomical coordinate systemEntityMessier 81EntitybibcodeEntityCategoriesArp objectsAstronomical objects discovered in 1784Discoveries by William HerschelIrregular galaxiesLeo (constellation)NGC objectsPrincipal Galaxies Catalogue objects