Astronomy related programs for downloading
All freeware
For more information on any of these programs
go to the respective Homepage.
Aberrator
This generates images that show the effects of
AstroByte Logging System
A logging system that keeps track of objects which you have observed,
Astronomers Digital Clock
This digital clock uses your computer's clock for the time display.
AstroPhoto Exposure Calculator
Calculates exposures for pictures of celestial objects
AstroStack
With this program you can load AVI videos
or BMP sequences
Celestia
Real time space simulation in three dimensions.
{Homepage}
{Download}
A very complete planetarium program that includes ephemeris,
Moon Calc is a DOS based program allowing the user to see
Displays the current phase of the moon in your system tray.
Registax (Ver. 3)
256 KB Compressed (zipped)
several different distortions you can make to mirrors.
7.55 MB Compressd (zipped)
along with objects you still need to observe to fill a catalogue.
Also contains 40 printable reports.
2.79 MB Compressed (zipped)
It shows your local time, Universal time, and the Julian date.
You can even adjust the color for night viewing.
514 KB
and parameters of optical systems,
including f-ratios.
This is by the astro photographer Michael Covington.
668 KB Compressed (zipped)
and stack and combine
the images to a single improved end result.
Works with monochrome (gray) pictures.
See manual on www.astrostack.com for full description.
11.2 MB Compressed (zipped)
You can travel throughout the solar system,
to over 100,000 stars, or beyond the galaxy.
4.4 MB Compressed (zipped)
a lunar map and a calendar.
You can even make some stars twinkle.
Halo
2.5 MB Compressed (zipped)
You've got to check this program out!
It will simulate all kinds of ice crystal phenomina and the sun.
Sun dogs, circumzenithal arcs, sun pillars, and more.
The download link takes you to a page for instructions
on downloading the two (2) files needed.
202 KB compressed (zipped)
the age, phase, position, appearance, and visibility of the moon
for any given date, time and location on Earth.
357 KB
Hold your cursor over the icon and
it
will tell you how old the moon is.
846 KB
Another program to digitally stack frames of CCD images
Ronchi for Windows
289KB Compressed (zipped)
This simulates the appearance of a mirror during the Ronchi test.
Satscape
5.14 MB Compressed (zipped)
This program will tell you when satellites will pass over your location.
There is no need to be connected to the internet
unless you want to update
the satellite info.
It will predict the 150 brightest satellites weeks in advance.
{Homepage}
(Go to the homepage and choose the platform you want.)
Sidereal Clock
1.74 MB Compressed (zipped)
A small sidereal clock that sits on your desktop and
displays local mean sidereal time for your location.
SOHO Screensaver
1.3 MB
A screensaver made available from the European Space Agency
that allows users to
watch almost real time images of our sun.
Each time your screensaver kicks in, it will use the internet
to find the most recent
images SOHO has sent to scientists.
The Simple Observing Log
1.2 MB compressed (zipped)
With this program, you can print out blank sheets and fill in the data
at the telescope with your pen or pencil.
Or you can use your computer
to fill in the info on the observing pages.
{Homepage}
(Go to the homepage and choose which platform and what size program you want.)
Ultimate Messier Log
3.1 MB Compressed (zipped)
This one is from the same guy that wrote the Simple Observing Log.
{Homepage} {D/L for Windows} {D/L for Palm OS}
Virtual Moon Atlas
85.2 MB
(4.08 MB for the basic program)
Highly recommended Lunar Atlas for all "Lunartics".
It allows you to view the moon in real time, in 2D or 3D.
The program uses actual photographs from Apollo missions
to get the "close up view".
It is recommended to download all of the databases to fully enjoy this program.
{Homepage}
{Download}
Web Time
It will synchronize your pc's clock with one of
Xearth for Windows
This is absolutely amazing.
75 KB Compressed (zipped)
several atomic clocks. Very small. Very fast.
170 KB Compressed (zipped)
It's a representation of the earth as the wallpaper on your
computer desktop.
It shows what part is in sunlight and what's in darkness.
You can default the view to be directly over your hometown.
And it updates every 5 minutes for a semi-true picture.
