EntityQ932500· pop 27· linked from 53 articlesNGC 3660Sign in to savegalaxyConnectionslight-yearEntityparsecEntityepochEntitystarEntitygalaxyEntitymoleculeEntitysecondEntitygasEntityconstellationEntitykilometreEntityX-rayEntityWilliam HerschelEntityexoplanetEntitysupernovaEntitydigital object identifierEntityInternational Standard Serial NumberEntityastronomerEntityInternational Astronomical UnionEntityredshiftEntitystar clusterEntityCategoriesActive galaxiesAstronomical objects discovered in 1787Barred spiral galaxiesCrater (constellation)Discoveries by William HerschelIRAS catalogue objectsMarkarian galaxiesMCG objectsNGC objectsPrincipal Galaxies Catalogue objectsSeyfert galaxies