- Summer Stargazing - Night Sky in the Northern Hemisphere - An article written by Philip Harrington.
- The Edge of Nowhere - Images, events, news, information, games, awards, and links.
- Space - Offers space, astronomy and technology content, including information, education, entertainment and business news.
- Digital Astronomy Gallery - Images, star enhancement processing, equipment information, and what's new.
- 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.
- What's Up: The Observatory in Eilat - This month by month with images and information on the moon, Jupiter, and Saturn.
- Bad Astronomy - Myths and misconceptions. Includes an introduction, brief biography, and discussion board.
- The Frugal Astronomer - Provides help in locating low-cost, high-quality resources for amateur astronomers such as guides, software, charts, books, equipment, podcasts, courses and images.
- Stargazing Network - What's new, mini-FAQ, and table of contents.
- 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.
- The Astro Pages - Astrophotos, articles, discussion boards, telescope making, observer's logs, and calendar.
- DabsonAstronomy - Equipment, gallery, observations, ETX-70 tips, projects, and links.
- The Silicon Sky - Project links, weather, comet observing, interest links, minor planets, and resources.
- Star Stryder - Blogging the sky one sidereal day at a time.
- 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.
- Astronomy a Go Go - Monthly podcast discussing what can be seen in the night sky.
- How To Learn Astronomy - Information on how to get started as a hobby.
- Amateur Astronomy and Space Website - Images, CCD information, buy and sell, and links.
- My Astronomy Pages - Sketch page, scope building, and links.
- Rick Costello Space Art Paintings - Gallery, about the artist, and essays.
- Night Sky Observer - Skynotes, weather, articles, equipment, software, images, shop, ezine, and links.
- Daniels Astronomical Page - Fun, games, special events, astronomy events, classified ads, FAQ, About us and links.
- The Night Site - The sky this month, gallery, questions, for beginners, glossary, and links.
- Astro World - Provides studies, images, movies, and equations.
- Astroscopic Labs - Includes galleries, equipment reviews, articles, observation planning, and links.
- Astronomical Observatory - Visual and CCD photomety, including classic and digital astrophotography. Presents equipment and resources. Located near Plomin in eastern Istria, Croatia.
- Sundial, Calendar and Khmer Temples - Experimental astronomy applied on research of solar orientation of the temples in SE-Asia.
- Eagles Eye on the Sky - Monthly guide to what's up in the sky.
- Backyard Astronomer - Contains sections for equipment, the beginner, books, the solar system and deep sky, web log, and links.
- Space and Telescope.com - Contains current space news, useful astronomical utilities and information, and amateur images. Includes clickable Messier and Caldwell object tables.
- StarJunkie - Equipment, astrophotography, terms, forum, photo archives, chat, and links.
- Astronomy Cast - Weekly podcast providing discussions on astronomical topics ranging from planets to cosmology.
- Astronomy Awards - Supporting the hobby related web sites throughout world.
- Astronomycentral - Provides news, articles and resources updated daily.
- The Astronomy Cafe - The menu is appetizers, specials, and main course.
- Urban Astronomer - Practical and educational articles to help the urban and armchair astronomer get the most out of the hobby.
- 365 Days of Astronomy - Project to provide an astronomy podcast every day of the year, written, recorded and produced by people around the world.
- 90mm: Astronomical Observing with Small Telescopes - Provides information for people using their naked eyes, binoculars or small telescopes. Includes articles, links, downloads and shopping.
- Observatories (10)
- Solar System Observing (49)
- Deep Sky Observing (26)
- Satellites (20)
- Star Parties (23)
- Spectroscopy (5)
- Constellations (12)
- Amateur Telescope Making (41)
- Beginners (38)
- Binocular Astronomy (8)
- Astrophotography and CCD Imaging (219)
- Radio Astronomy (16)
- Sky Maps and Atlases (18)
- Telescope Owner Resources (30)
- Sky Calendars (13)
- Amateur Contributions to Science (8)