Ask an Astronomer - Questions answered by graduate students, including a question and answer archive, information on the solar system, the universe, SETI, observational astronomy, careers and history.
The Astro Pages - Astrophotos, articles, discussion boards, telescope making, observer's logs, and calendar.
Astro World - Provides studies, images, movies, and equations.
Astroimager - Gallery, remote astronomy, go-to conversions, and links.
Astronomical Observatory - Visual and CCD photomety, including classic and digital astrophotography. Presents equipment and resources. Located near Plomin in eastern Istria, Croatia.
Astronomy Awards - Supporting the hobby related web sites throughout world.
Astronomy Boy - Getting started, CG-5 mount, SAA 100 list, constellation portraits, barn door tracker, comet Hale Bopp, homemade eyepieces, EQ mount tutorial, millennium rant, and biography, home.
Clear Skies On Demand - An online astronomy journal by Math Heijen, backyard astronomer from the Netherlands. Observing logs from Sun, Moon and Deepsky, digital lunar and solar images, equipment reviews, links, books etc. Articles about the Sun, Moon and Deepsky.
CoolScopes.com - Astronomy related information, including telescopes, eyepieces, and astrophotography and forums.
Cosmic Voyage - Getting started, deep sky and planetary observing, astrophotography, sketching, glossary, and links.
DabsonAstronomy - Equipment, gallery, observations, ETX-70 tips, projects, and links.