EntityQ652785· pop 31· linked from 898 articlesNGC 637Sign in to saveopen cluster in the constellation CassiopeiaConnectionslist of NGC objects (1–1000)Entityopen clusterEntityHeart NebulaEntityNGC 241EntityNGC 945EntitySunConceptstarEntityMilky WayEntitygalaxyEntityInternational Standard Book NumberEntitylight-yearEntityconstellationEntitynebulaEntityWilliam HerschelEntityAndromeda GalaxyEntityexoplanetEntitydigital object identifierEntityparsecEntityCassiopeiaEntitystar clusterEntityCategoriesAstronomical objects discovered in 1787Cassiopeia (constellation)Discoveries by William HerschelNGC objectsOpen clusters