In the equatorial coordinate system, the right ascension coordinates of these borders lie between and, while the declination coordinates are between 77.69?and 46.68?
22.
The coordinates of objects on the sky are listed using the equatorial coordinate system, which is based on the projection of Earth's equator onto the celestial sphere.
23.
The orbiting body direction cosine vector can be determined from the right ascension and declination ( from Topocentric Equatorial Coordinate System ) of the orbiting body from the observation points via:
24.
In the equatorial coordinate system, the right ascension coordinates of these borders lie between and, while the declination coordinates are between 31.10?and " 1.35?
25.
In the equatorial coordinate system, the right ascension coordinates of these borders lie between and, while the declination coordinates range from the north celestial pole south to 65.40?
26.
Like right ascension in the equatorial coordinate system, the primary direction ( 0?ecliptic longitude ) points from the Earth towards the Sun at the vernal equinox of the Northern Hemisphere.
27.
This is important because the most commonly used frame of reference for measurement of the positions of astronomical objects is the Earth's equator the so-called equatorial coordinate system.
28.
In the equatorial coordinate system, the right ascension coordinates of these borders lie between and, while the declination coordinates are between " 37.16?and " 57.17?
29.
Its right ascension is between 1 h 46.4 m and 3 h 29.4 m and its declination is between 10.36?and 31.22?in the equatorial coordinate system.
30.
Its right ascension is between 22 h 57.5 m and 2 h 39.3 m and its declination is between 53.19?and 21.68?in the equatorial coordinate system.
