EntityQ1123899· pop 27· linked from 337 articlesQ1123899Sign in to savegalaxyConnectionslist of stars in LibraEntitylight-yearEntityparsecEntityepochEntityQ544846EntityQ1119115Entitylist of NGC objects (5001–6000)EntityArp 240EntityNGC 5090 and NGC 5091EntitystarEntitygalaxyEntityNASAConceptconstellationEntityWilliam HerschelEntityHubble Space TelescopeEntityexoplanetEntitysupernovaEntityLibraEntityInternational Astronomical UnionEntityredshiftEntityCategoriesAstronomical objects discovered in 1784Discoveries by William HerschelElliptical galaxiesESO objectsLibra (constellation)MCG objectsNGC objectsPrincipal Galaxies Catalogue objectsUGCA objects