Software and Applets

Click to get my AstroArt Plugin to Match Darks on the MX7C

 

Chris Cobb's "obligatory" Lunar Phase Applet
 
 

Simulations and Models

Galaxies in Collision A sophisticated simulation of colliding galaxies and the formation of observed structures as a result.
Solar System
A simple orrery program representing all nine planets and a couple of comets.
Solar Eclipse
The total solar eclipse of March 8/9 1997.
Hale-Bopp Comet
Simulation of the path of Comet Hale-Bopp.
Stellar Evolution Simulation
A simulation of the mass/luminance relationships of stars on the main sequence.
Binary Stars Simulation
Allows you to set the masses, orbital separation, orbital eccentricity, the inclination angle to our line of sight, and the angle of the nodes of an orbiting star pair.
Eclipsing Binaries
A simulation showing the effects on observed magnitude of eclipse events in binary systems.
AJ's Cosmic Thing
AJ's Cosmic Thing is a robust, full-featured sky plotter applet, capable of rendering moving, interactive full-sky plots of brighter sky objects, as seen from any point on earth.
NASA Orbit Sims: Kepler's Three Laws
A demonstration of Kepler's three laws.
Positions of Jupiter's Moons A graphical display of the positions of Jupiter's moons and the Great Red Spot.
Phase of the Moon Similar to the display above.
Star Chart A very nice star charting JAVA applet with adjustable parameters.
Julian Date Calculator Translate any date input into a Julian date.