KnowraHorizontal coordinate systemLinked fromLinked fromThe 6 pages that link to Horizontal coordinate system, each with the reason it gives.All 6Broader topic 1Related 1Narrower topic 1Compared with 3Celestial equatorCompared with: Unlike the celestial equator’s Earth-centered orientation, its coordinates depend on the observer’s location and time.Equatorial coordinate systemCompared with: Unlike equatorial coordinates, its values depend on location and observation time.Ecliptic coordinate systemCompared with: It describes an object's position relative to an observer, unlike the ecliptic's orbital plane.Spherical astronomyRelated: It describes positions directly in the observer’s horizon-based frame.Altazimuth mountNarrower topic: The mount's two axes correspond directly to this coordinate system.Astronomical coordinate systemsBroader topic: Its coordinates directly describe where an object appears above the horizon at a site.