EntityQ1124744· pop 28· linked from 338 articlesQ1124744Sign in to saveopen clusterConnectionsopen clusterEntityepochEntityQ544846EntityQ1119115EntityArp 240EntityNGC 5090 and NGC 5091EntitystarEntityconstellationEntitynebulaEntityexoplanetEntitydigital object identifierEntitystar clusterEntityNormaEntityapparent magnitudeEntityright ascensionEntitydeclinationEntityNew General CatalogueEntitygalaxy clusterEntityPinwheel GalaxyEntitybibcodeEntityCategoriesNGC objectsNorma (constellation)Open clusters