: Astronomía: equatorial coordinate system

mathematical technique > frame of reference > coordinate system > astronomical coordinate > equatorial coordinate system

astronomical technique > astrometry > coordinate system > astronomical coordinate > equatorial coordinate system

equatorial coordinate system

The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects. It may be implemented in spherical or rectangular coordinates, both defined by an origin at the centre of Earth, a fundamental plane consisting of the projection of Earth's equator onto the celestial sphere (forming the celestial equator), a primary direction towards the vernal equinox, and a right-handed convention. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Equatorial_coordinate_system)

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