Some of my favorite links

 

CCD and Astrophotography

General Astronomy Links

Al Kelly's Astrophotos Sky and Telescope
Steve Cannistra's Astrophotography Ed Stewart's MAPUG Archive
Philip Perkins Astrophotography Clear Sky Clock
Rob Gendler's Astroimaging STScI Digitized Sky Survey
Jeff MacQuarrie's Astrophotos Paul Gitto Arcturus Observatory
Kunihiko Okano Digital Image Gallery SEDS Messier Database
Russ Croman Astrophotography The Nine Planets
Dennis Webb's Astonomy Site SETI @Home
Charlie Warren's Astrophotography Paul Kanevsky's Imaging Tips
Wolfgang Promper Astroimages  
Astronomical Cameras: A Guide to Astrophotography