equatorial system

equatorial system

[‚e·kwə′tȯr·ē·əl ′sis·təm]
(astronomy)
A set of celestial coordinates based on the celestial equator as the primary great circle; usually declination and hour angle or sidereal hour angle. Also known as celestial equator system of coordinates; equinoctial system of coordinates.

equatorial system

equatorial systemclick for a larger image
A set of celestial coordinates based on the celestial equator as the primary great circle. It is usually expressed as declination and an hour angle or a sidereal hour angle. Also called an equinoctial system of coordinates or a celestial equator system of coordinates. See also celestial equator.
References in periodicals archive ?
As with any German equatorial system assembling the telescope components has to be carried out with some forethought.
I just wish the option of such a friendly German equatorial system had been available to me in 1997 when I first decided to go down the Schmidt-Cassegrain observatory route, after almost a quarter of a century of battling with Newtonians and neck-twisting eyepiece positions.