EasySky
	Astronomy software, shows you the complete night sky (340, 000 stars) and our solar system in a 3D orrery view with the planets, asteroids, and comets from any place at any time. All settings can be saved in different documents. Animations let you understand the motions of the celestial bodies or the daily rotation of the Earth. Printing. The demo version contains less objects and some minor restrictions. Company: Matthias Busch  Date Released: 26-01-2002  Program Size: 6286 KB License: Demo Platform: Windows
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	Planet's Orbits
	Planet's Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto) and lunar positions. The calculation of the positions of the satellites of Jupiter, Saturn, and Uranus is done by the various analytic theories given in the Explanatory Supplement to the Astronomial Almanac. Company: alcyone software  Date Released: 30-06-2003  Program Size: 10305 KB License: Shareware Platform: Windows
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	Planet's Orbits
	Planet's Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto) and lunar positions. The calculation of the positions of the satellites of Jupiter, Saturn, and Uranus is done by the various analytic theories given in the Explanatory Supplement to the Astronomial Almanac (1992).The positions of the other objects (asteroids, comets) are calculated by it's osculating orbital elements. Therefore the positions of these objects are accurate only for a small period of time.The version 1.7. shows the positions and trajectories of various spacecrafts.The most noteworthy functions are date specification (past, future), 2D/3D orbital animation and custom zoom, orbits of 10000+ asteroids and comets from different databases, simple database handling and updates, printing, statistic, and information windows. Company: alcyone software  Date Released: 20-11-2003  Program Size: 15614 KB License: Shareware Platform: Win98,WinME,Windows2000,WinXP
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	Coeli - Stella 2000
	Complete astronomy suite comprising a full-featured planetarium, observing log and list builder, Coeli Time Line, Live Orbits (orrery), location browser, Sky Quiz, and sophisticated searches embracing planets, comets, asteroids, DSOs, and up to 300,000 stars. Planetarium effects include scintillation, extinction, refraction, and precession in point source, photo plate and spotlight display styles; along with the complete Messier catalog in image icons. An integral HTML guide to the solar system, a 1000-term astronomical dictionary, and the 2nd revised and enlarged edition of Aspects of Astronomy -- a book-length primer covering topics such as "What are the Stars?", "Choosing a Telescope", "Cosmology", "Dark Matter", "Eclipses", and "The History of Astronomy", to name but a few -- are closely coordinated with the sky display and picture windows. Stella 2000 talks and teaches aloud. With complete incorporation of Microsoft Agent speech technology, animated characters guide you painlessly through the pronunciation of a myriad of arcane star names and lore, and even read aloud from Astrogloss and Aspects of Astronomy, not to mention offering that most immediate form of program help: spoken guidance. Stella's Drag Mode brings complete plasticity into all your interactions with the planetarium display. Dragging the mouse auto-scrolls sky quadrants smoothly and quickly into view from three selectable planes of reference: Horizon (local), Equatorial (atlas), and Ecliptic / Heliocentric. Stella provides direct links to extensive DSO and planetary information on the Web, all tightly unified with the Sky display, Reports, and the Coeli Solar Guide. Auto-Search instantly updates readouts and reports on any object your mouse pointer scrolls over. You may even slew your Meade ETX/LX200 telescope to the object selected in Stella's sky. Company: Coeli Software Products  Date Released: 18-11-2005  Program Size: 4232 KB License: Shareware Platform: Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003
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