At the Space Telescope Science Institute (STScI), we're working hard to study and explain the once-unimaginable celestial phenomena now made visible using Hubble's cutting-edge technology. In the course of this exploration we will continue to share with you the grace and beauty of the universe, because the discoveries belong to all of us.

Resources and Tutorials for Amateur Astronomers. CG-5 mount improvements. Barn door tracker. SAA 100 Deep Sky List. Constellation portraits. Animated equatorial mount tutorial. Homemade eyepieces. Comet Hale-Bopp. Millennium Rant.

The Astronomical Society of the Pacific increases the understanding and appreciation of astronomy by engaging scientists, educators, enthusiasts and the public to advance science and science literacy.

Amateur Astronomy Magazine, news for, by and about amateur astronomers around the world

The source for over 1000 of the best astronomy and space related links from around the world including astrophotography, telescope making, software, planets, nebula, comets, asteroids, space flight, astronauts and much more!

The Astronomy Net contains articles, forums, clubs, vendors, manufacturers and other resources important to those interested in Astronomy.

The National Radio Astronomy Observatory (NRAO) designs, builds, and runs the world's most sophisticated radio telescopes for scientists to study the Sun, planets, solar system, distant stars, galaxies, black holes, and other mysterious objects millions to billions of light-years away.

Information and articles on astronomy, space and related topics. Also featuring a friendly forum and a monthly sky guide.

Powerful and fun resource for kids, exploring astronomy and other space related topics.  Play games, learn through interactive applications, and much more.

AbsoluteAstronomy.com is a free online information portal which provides reference information and interactive features for over 900,000 topics.   The content provided on AbsoluteAstronomy.com is aggregated from a variety of content providers.

Sky & Telescope, the Essential Magazine of Astronomy. News, observing tips, how-to advice, and more!

Space.com provides information on everything Space - satellites, stars, astronomy, the Sun, planets, NASA and more.

[No Description]