Ephemeris: download Ephemeris related software
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Alcyone Ephemeris 3.5
Alcyone Ephemeris is an accurate and fast astronomial ephemeris calculator covering the period 3000 BC to AD 3500. It calculates heliocentric, geocentric, and topocentric positions of the Sun, Moon, and planets in different coordinates and more.
ephemeris, ephemerides, astronomy, planetary positions, lunar positions, celestial mechamics
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EarthWatch 4.01
EarthWatch displays a graphical world clock with a dynamic map image of the world showing the day and night areas, a sundial, and an information panel featuring sunrise/sunset times and much more -- all in real-time or time-lapse animation.
earthwatch, world clock, chronograph, chronometer, astronomy, earth, world, map, sundial, time
