KnowraEquatorial coordinate systemLinked fromLinked fromThe 20 pages that link to Equatorial coordinate system, each with the reason it gives.All 20Broader topic 2Related 8Narrower topic 7Compared with 3ConstellationRelated: Modern constellation borders follow lines of these coordinates.Axial precessionRelated: As Earth's axis precesses, the celestial equator and coordinate reference points shift.Precession of the equinoxesRelated: Its reference equator and equinox shift over time, so coordinates require an epoch.Sidereal timeRelated: Sidereal time supplies the local rotation coordinate needed to use right ascension observationally.Circumpolar starRelated: Declination in this system helps classify stars as circumpolar for a given latitude.September equinoxRelated: The equinox supplies the reference direction from which right ascension is measured.Piscis AustrinusRelated: Its coordinates specify the location of Piscis Austrinus and its stars.Canis MinorRelated: Its coordinates specify Canis Minor’s position on star charts and observing apps.