EntityQ85518442· pop 36· linked from 535 articlesQ85518442Sign in to saveplanetary nebulaConnectionsepochEntityIris NebulaEntitylist of stars in CygnusEntityQ11488440EntityKepler-1625 bEntitylist of planets discovered by the Kepler spacecraftEntityKepler-70EntityHAT-P-11EntityBarnard 147EntityQ113594393EntityEarthConceptSunConceptstarEntitycarbonEntitygalaxyEntitymoleculeEntityBig BangEntityInternational Standard Book NumberEntityouter spaceEntitylight-yearEntityCategoriesAstronomical objects discovered in 1878Cygnus (constellation)Discoveries by Édouard StephanNGC objectsPlanetary nebulae