FREE -- DOWNLOADABLE PROGRAMS & FILES
The following files and programs are either
freeware or shareware. If you want the complete version of a shareware program, go
to their "Read-Me" file to access instructions for purchasing.
Please click the link to review and/or download of the file or program.
This is a freeware program that has an outstanding Milky Way display and it allows the observer to view the heavens from locations in space...beyond Earth.
This is a very powerful freeware program that allows you to see the moon's phases and features from both visual side and the far side.
This is a powerful freeware program with downloadable updates for new comets and asteroids, and access to huge star catalogues for deep sky observers.
Ron Wodaski's Freeware compilation of information on astro camera sizes and exposures for various deep sky objects. Download from site.
GeoClock is a shareware program whichdisplays a map of Earth, showing the ever-changing areas of daylight and dark. All time zones are displayed, and you can find out when sunrise or sunset will occur anywhere on Earth. It includes a world map, North America, a Polar view, and a view from "space."
This is a really neat program. It makes an interesting and beautiful screen saver, as well as a utilitarian program.
GeoClock's minimum requirements are
"Sky and Telescope Magazine" rated this
the best and most accurate shareware astronomy tracking program.
This program produces sky maps in either a
"horizon" or "detailed area of sky" mode from any viewpoint on Earth.
You may either choose your location from the extensive list, or type in your
latitude and longitude.
There is a search feature, and an imaging program, called Sky Image, which allows you to view and print JPEG's and GIF's, and match them to deep sky objects on the screen. You can click on any object on screen and get information about it.
This program's maps are compatible with any Windows-driven printer. Images are very sharp, and may be printed in colour if desired. Printed images are much sharper than SkyGlobe's printed sky maps, with much fainter stars and much more detail.
This shareware version comes with only 15.700
stars with magnitudes up to 7. The full version for registered users comes with
88,000 stars to magnitude 8.5.
is a shareware
program that you can download from the home site listed above. For
beginners, it is easier to use than SkyMap, and has better graphics than
SkyGlobe. The stars are color-coded by their spectral class. It also
features a daytime (blue sky) background as well as the traditional dark night
Mars Previewer II
This is a freeware program.
If you use Basic, you will find several other
programs that you might find useful listed down the page.
You can d/l a certified virus-free program from Sky & Telescope Magazine on-line HERE.
A good Astronomical Software link resource from Sky & Telescope Magazine On-Line will be very helpful. Many different types of programs are available in several formats for computer. Both Freeware and Shareware are listed HERE.
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