Alcyone Ephemeris is an astronomial accurate and fast ephemeris calculator covering the period of 3000 BC to AD 3500. It calculate heliocentric, geocentric, and topocentric position from Sun (Earth), Moon, and planets in according to ecliptical, equatorial, and horizontal coordinates, with optional correction for the deflextion of parallax and refraction; rectangular coordinates, acceleration, velocity, apparent diameter, magnitude, phase, lunar libration and more.
Alcyone Ephemeris
Wednesday, September 2, 2009
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