Astronomy Software

Aberrator  view stars through telescopes to determine telescope performance
Moon Calculator  DOS 

Excellent Star/Sky Programs For Sale
AstroCOM
Click Thru The Universe  astronomy course
Concise HTML Dictionary of Astronomy
CyberSky  
Deepsky 2000
Digital Universe
Distant Suns   prior download version is free
Earth Centered Universe
GeoClock    sunlight clock
Global Clock
HyperSky 
Lunar Phase  
MaxIM DL astronomical image processing software
MegaStar 
Meteor Trak
Moon Rise   by Bruce Sidell
Multiyear Interactive Computer Almanac  USNO
MyStars
NGCView 
PC-Sky   views of celestial objects as seen by eye, binoculars and telescope.
PlanetWatch
Public Connection "Earth views of Space and Space views of Earth"
RealSky   Software Bisque
RedShift 4  desktop planetarium
SkyChart III  precision sky simulation and telescope control
SkyFoto  astrophotography - correct exposure duration for celestial subjects
SkyGlobe  shareware
SkyMap
Sky Tools  observation planning, charting and logging. 
Solar Kingdom   fly around the Solar System in 3D plus encyclopedia
Starry Night  three versions:  Beginner, Backyard, Pro
STD Aurora Monitor  monitor local weather conditions and solar activity
Stella 2000
Sunbear II   Sun and Moon position program
TheSky   Software Bisque    
The Earth Centered Universe  Planetarium and telescope control program
Touring the Universe through Binoculars 
Voyager III