Perfect Downloads > Home & Education > Science > Alcyone Ephemeris
Accurate astronomial ephemeris calculator.
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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 (Earth), Moon, and planets in ecliptical, equatorial, and horizontal coordinates, with optional corrections for parallax and refraction; rectangular coordinates, velocity, acceleration, apparent diameter, magnitude, phase, lunar libration, orbital elements, differences for all of these, and more. In addition Alcyone Ephemeris offers a wealth of functionality: plotting ephemeris data, searching for specific values, scripting to write programs for more complex computations, saving in the as HTML files to export output to spreadsheets, word processors and web pages, and printing.
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StarStrider
StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also galaxies, nebulas, and hundreds of thousand of stars - in real-time 3D.
Cats Eye (Grizy â„¢)
You may use the different types a pupil of an eye to achieve grandiose video-effect and/or simply studies as that or other thing sees the cat. Irreplaceable exhibit for scientist and creators cinema-video product.
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