- Sky and Telescope this is a great magazine that has many great articles on the latest in astronomy research and the joys of amateur astronomy.
- Astronomy Magazine is another great magazine that focuses on professional research and amateur astronomy.
- Night Sky is a new magazine from the publishers of Sky and Telescope that focuses on backyard astronomy.
- Astronomical League Is a nation wide organization for astronomy clubs.
- Night Sky Network is a great resource to provide astronomy clubs with public education materials.
- Messier45.com is an excellent site with loads of information for the deep sky observer. There are many pictures of deep sky objects as well.
- International Supernovae Network this site has the latest information on supernova and resources for detecting supernova.
- International Darksky Association
- The Inconstant Moon is a great web site on the moon. It has lunar highlights for a given day.
- Cloudy Nights great web site with equipment reviews, classifieds and forums with helpful astronomers.
- Astrophotography By Jerry Lodriguss is a fantastic site that displays beautiful photography and photography tips.
- Mike Fleenor's web page with great CCD images.
- Shawn Grant's World is the KO web masters homepage featuring nature photography.
- Burgess Optical Company has great deals on telescopes and accessories.
- Orion is a huge retailer of telescopes and accessories.
- Guide is a great astronomical software charting program.
- SkyTools is one of the best observation planning programs on the market. It also has full logging and charting.
- Cartes Du Ciel is a fantasic FREE! astronomy charting program which has all of the basics and a huge over a million deep sky object database.
- Celestia is a FREE! program that allows you to travel around the solar system and other stars.
- Virtual Atlas of the Moon is a FREE! program that charts the features of the Moon.
- Comet orbital elements for popular astronomy software.
- Adirondack CCD imaging, telescopes, books, software and accessories.
- Astro-Engineering telescope accessories
- Celestron
- Astronomics telescopes and accessories.
- ClearVue Optics telescopes and accessories.
- Telescopes.com telescopes and accessories.
- University Optics accessories and atm supplies.
- Smart Astronomy telescopes and accessories.
- Oak Ridge Isochronous Observation Network Astronomy club in Oak Ridge