A selection of astronomy/imaging & peoples' sites that you may find useful. I'd be pleased to hear from you about yours or other sites.
Astronomical Society of South Australia My Astronomy Club
Guide To The Celestial Sphere A Graphical Explanation of The Celestial Sphere by Jim Kaler
Jim Burnell's Site Co-author of AIP4WIN
Richard Berry's Site Co-author of AIP4WIN
Astro Planner A Free Program For Planning Your Viewing Sessions, Finding The Best Alignment Stars and More
RTGUI A Quick & Easy Non-Planetarium Program by Robert Sheaffer for controlling MEADE LX90 (and others)
Reticule4 A Free Program by Claude Racicot For Meade DSI-C/Pro Use For Drift Alignment/Centering