Here are some of my favorite links:

Nexstar 11 GPS

• Nexstar GPS Yahoo Group
• Dave's Nexstar 11 GPS site
• Mike Swanson's Nexstar site
• Andre Paquette Nexstar Programming Site

Fastar / Hyperstar Imaging

• Darklight Imagery - Chris Anderson
• Ray cash's fastar CCD Site
• Robert Berta fastar Images
• David Barmore
• Astroden- Mike Downing
• Rancho Del Sol hyperstar Images

ST-237a Imaging

• Mike Chapa
• Paul Lukas
• General St-237 links
• Darin E. Fields Astroimaging

General Astrophotography

• Robert Gendler
• Jerry Logriguss

Image Processing

• CCD Imaging Guide
• Photoshop Introduction
• Removing Vignetting
• Digital Techniques
• Reducing Star Bloat

Vendors

• Celestron
• SBIG
• Starizona