Astronomy Software for Cheap (or Free!) Imaging and Image Processing
Image Capture K3CCD Tools is a fantastic program that works with many different cameras Craterlet is a simple webcam capture program PHD Guiding (for Push Here Dummy) is a very simple autoguiding program WcCtrl keeps webcam controls visible WcRmac allows you to modify webcam settings Image Processing Registax is the standard for stacking video Avistack is a new alternative to Registax Nebulosity stacks and processes many image formats
Star Charts Cartes du Ciel ("Sky Charts" ) is fully functional charting software Virtual Moon Atlas is an unbeatable companion for lunar viewing Home Planet is an easy to use beginner's program
Planetarium Software Stellarium is a general purpose program WinStars lets you travel through the solar system Celestia lets you travel anywhere - even outside the Milky Way! Where is M13? helps you visualize where objects are in the galaxy Universe Sandbox lets you simulate orbits, colliding galaxies, etc.
Observing Tools Planet, Satellite, and Lunar Visibility builds charts showing when objects are visible during the year JupSat95 is an old standard for tracking the Jovian moons Satellite Tracker will track satellites and actually drive a telescope to keep them in view Stellaris has a LOT of functionality for planning observing sessions MoonPhase puts the current moon phase in your status bar ( NightCal gives you complete information on the Moon, Venus, and Mercury Geomagnetism is a tool for calculating the difference between true north and magnetic north
Other World Wide Telescope is a great resource for seeing the sky in various wavelengths GIMP is a full-functioned, free alternative to Photoshop Orbiter lets you fly various spacecraft from launch to orbit and beyond
