EntityQ2333838· pop 23· linked from 312 articlesQ2333838Sign in to saveplanetary nebulaConnectionsTriangulum AustraleEntityepochEntityQ544846EntityQ1119115EntityArp 240EntityNGC 5090 and NGC 5091EntityUnited KingdomCountryEarthConceptSunConceptstarEntitygalaxyEntitylight-yearEntitytelescopeEntityconstellationEntitynebulaEntityradiusEntityexoplanetEntityinchEntityastronomerEntitymillimetreEntityCategoriesAstronomical objects discovered in 1835Discoveries by John HerschelNGC objectsTriangulum Australe