Welcome to the Indiana Astronomical Society!

IAS Events and Star Party Calendar
Click on the icon on the left to view an interactive calendar of events for IAS functions, observing events and star parties.

Celestial Events Calendar Click on the icon on the left to view an interactive calendar of celestial events. A perfect way to plan your observations.

This Interactive Planetarium lets you see a large variety of astronomical information, in both graphical and numerical form. You can see which stars and planets will be out tonight, see how the next solar or lunar eclipse will look, or view the night sky ten years from now. It includes star charts, a 3-D orrery, displays of the moons of Jupiter and Saturn, an astronomical event calendar, an ephemeris generator, and many other features.