Afocal

Inconstant Moon: multimedia tours of the lunar surface

NASA/IPAC Extragalactic Database - NED

HubbleSite

Stars and Constellations

AAVSO: American Association of Variable Star Observers

ASTROPHOTOGRAPHY PRIMER

Guiding Tips With an Autoguider on a Schmidt-Cassegrain

Astrophotography for the Amateur down load the free exposure calculator

Adventures in Deep Space: Challenging Observing Projects for Amateur Astronomers

Astronomy Boy: Animated Equatorial Mount Tutorial

Doc G's Info Site

Digital Camera Reviews and News: Digital Photography Review: Forums, Glossary, FAQ Digital Camera Reviews

MLUnsold Digital Imaging Digital Imaging Software

Registax Digital stacking Program

DeepSkyStacker - Free Stacking Program

Quick Start Guide for Beginner Digital Astrophotography By Jerry Lodriguss