EntityQ859146· pop 25· linked from 331 articlesCave NebulaSign in to saveH II region in the constellation CepheusConnectionsnebulaEntitystar formationEntityNorth America NebulaEntityQ497739EntityCrescent NebulaEntityIC 5146EntityNGC 6857EntityElephant's Trunk nebulaEntityIC 2177EntityIC 1470EntitystarEntitygalaxyEntityInternational Standard Book NumberEntitylight-yearEntityconstellationEntityradiusEntityexoplanetEntitydigital object identifierEntityInternational Standard Serial NumberEntityCygnusEntityCategoriesCaldwell objectsCepheus (constellation)Emission nebulaeSharpless objectsStar-forming regions