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programs

All astronomy programs are free full versions

Planetarium

PLANETARIUM is an easy to use astronomy software program for your PC. Shows the brightest stars, planets and moon. (1.8MB)

Click Here to Download PLANETARIUM

Celestia

CELESTIA is a real-time visual simulation of space. Choose a point within the Local Group of galaxies and Celestia will show you an approximation of how it would appear to your eyes were you actually there. Celestia is unique in its ability to allow you to navigate at an immense range of scales. Orbit a couple kilometers above the surface of a tiny, irregular asteroid, then head off toward Jupiter, watching it grow from a bright point of light into a looming sphere filling your field of vision. Leave our solar system entirely and observe the sun as it fades from a brilliant disk to a bright star, disappearing almost entirely as you head off toward the Upsilon Andromeda system to orbit around its innermost giant planet. (11MB)

Click Here to Download CELESTIA

Stellarium

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STELLARIUM renders 3D photo-realistic skies in real time. With stellarium, you really see what you can see with your eyes, binoculars or a small telescope. (5.9MB)

Click Here to Download STELLARIUM

Homeplanet

HOME PLANET A superb earth and sky simulator. (7.2MB)

Click Here to Download HOME PLANET

Skyorb

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SKYORB
computes sun, moon and majors planets and theirs majors satellites rise and set times, positions from any place in the world, and from any planet (like Mars), renders local sky using HYG Database in real time and constellation charts and stars names,nebulas, comets and asteroids from IAU Minor Planet Center database. Very fast, you can change view direction in real-time even with 30,000 stars rendered at once. A 3D realtime rendering view from space with the majors planets. Solar/lunar eclipses, solstices and equinoxes days can be computed, and a sun clock is also available. A large database, user editable in XML format, of one thousand of places on Earth, Moon and Mars. For example, see the sky above the Spirit and Opportunity rovers. (5.5MB)

Click Here to Download SKYORB

Starchart

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STARCHARTGL
OpenGL star chart / planetarium with very realistic graphics. 110,000 stars. All messier objects. All the major planets and visible moons. Animate the passing of night and day or Follow a planet, star or messier object's path over a few minutes to a few centuries. Realistic night and day colours. Free for non-commercial use. (3.3MB)

Click Here to Download STARCHARTGL

Skyatlas

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SKY ATLAS
The program is for everyone who wants to know how to identify constellations and other space objects: stars, galaxies, nebulas, planets. (3MB)

Click Here to Download SKYATLAS

Log

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THE SIMPLE OBSERVING LOG The Simple Observing Log (TSOL) is intended as a place where you can keep track of all your star-gazing information. After recording your observations, you can view and print your observing records sorted by date or by object. There's space where you can sketch your observations on the page, or place scans of your sketches after you're done. An "astrophoto" section for each observation lets astrophotographers keep track of their exposures as well. When you want to use TSOL in the field, simply choose "Nightvision Mode" to switch to a vision-saving red display. (2.2MB)

Click Here to Download LOG

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