Definition that contains celestial point
- ha (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
- equinox (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
- culmination (astronomy) a heavenly body's highest celestial point above an observer's horizon
- equinoctial point (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
- hour angle (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day