EntityQ550089· pop 22· linked from 224 articlesastronomical surveySign in to savegeneral map or image of a region of the sky with no specific observational targetConnectionsWide-field Infrared Survey ExplorerEntityastronomical catalogueEntityAkariEntitySolar SystemEntityskyEntityHubble Space TelescopeEntitydigital object identifierEntitypulsarEntityHipparchusEntitycosmic microwave backgroundEntitycelestial sphereEntityelectromagnetic spectrumEntityapparent magnitudeEntitybibcodeEntityAlmagestEntityelliptical galaxyEntitySpitzer Space TelescopeEntityQ118398EntityEuropean Southern ObservatoryEntityChandra X-ray ObservatoryEntityCategoriesAstronomical imagingAstronomical surveysObservational astronomyWorks about astronomy