EntityQ1116604· pop 28· linked from 461 articlesQ1116604Sign in to savegalaxyConnectionslist of stars in HydraEntityepochEntityQ544846EntityQ1119115EntityArp 240EntityNGC 5090 and NGC 5091EntitystarEntitygalaxyEntityNASAConceptlight-yearEntityconstellationEntityEuropean Space AgencyEntitynebulaEntityHubble Space TelescopeEntityexoplanetEntityparsecEntityJohn Frederick William HerschelEntityredshiftEntityHydraEntityCalifornia Institute of TechnologyEntityCategoriesAstronomical objects discovered in 1836Discoveries by John HerschelESO objectsHydra (constellation)Intermediate spiral galaxiesIRAS catalogue objectsMCG objectsNGC objectsPrincipal Galaxies Catalogue objectsUGCA objects