- FITS image viewers and format converters
Comprehensive list of free and commercial FITS image analysis software and FITS format converters
- Astronomical Picture of the Day
Gorgeous images from professional and amateur astronomers, updated daily.
Popular, general public news about astronomy.
- Sky and Telescope.com
Very high quality popular astronomy monthly
- Astronomy Education Review
A peer-reviewed journal focussed on astronomy education.
- ADS Abstract Service
Search service for professional astronomy articles
- Space Weather.com
Excellent site for Solar activity monitoring
- Sierra Stars Observatory
A fee-based network of optical telescopes. The Rigel telescope is a member of the SSO Network
- Optical Mechanics Inc. (OMI)
OMI, located in Iowa City, designed and manufactured the Rigel telescope.
- Finger Lakes Instruments (FLI)
FLI manufactured the CCD camera and filter wheel used at Rigel.
- Maxim/DL (Cyanogen.com)
Maxim is the standard image analysis program used in the astronomy laboratories at the University of Iowa.