Current location: Astronomy > Software
4. Astronomy Formulas

Lunar and solar periodicity formulas, definitions, time formulas, notation, astronomical constants with computer code for a programmable HP 48 by James Q. Jacobs.
http://www.jqjacobs.net/astro/astrofor.html - 12-08-2000
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[detailed information]
Rating: [6.00] Votes: [2304]
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6. Cartes du Ciel / Sky Charts

Freeware allowing one to draw charts according to the data of 15 catalogs of stars and nebulae, as well as the position of planets, asteroids, and comets. Available in E
http://www.stargazing.net/astropc/ - 31-05-2002
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[detailed information]
Rating: [6.00] Votes: [1285]
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8. Deepsky 2000

[commercial - Windows] Observation planning software for astronomers. Includes telescope control, logging, and charting.
http://www.deepsky2000.net/ - 12-03-2003
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[detailed information]
Rating: [6.00] Votes: [492]
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10. GeoClock

[shareware MS-W] Sunlight clock with world times and sun and moon positions and coverage.
http://www.geoclock.com/ - 30-05-2001
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[detailed information]
Rating: [6.00] Votes: [1500]
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