EntityQ1653342· pop 19· linked from 117 articlesIC 4665Sign in to saveopen cluster in the constellation OphiuchusConnectionslist of stars in OphiuchusEntitylight-yearEntityOphiuchusEntityepochEntityGliese 644/643EntityEarthConceptstarEntitygalaxyEntityNASAConceptInternational Standard Book NumberEntitytelescopeEntityconstellationEntitynebulaEntityWilliam HerschelEntityPoseidonEntityexoplanetEntitydigital object identifierEntityparsecEntitybinocularsEntitystar clusterEntityCategoriesIC objectsOpen clustersOphiuchus