The Ultimate Link
Mike Boschat's Page: The Ultimate Astronomy Index -- a man with a mission (or too much time on his hands).
Amateur Telecope Making
Tallahassee Astronomical Society: A good starting point for surfing atm pages.
Mark's Home Planet & ATM Page: Home page has general astronomicial category. Nice projects and references on ATM page. page by mark VanderWettig with some nice projects.
The ATM Page - A WWW Resources for Amateurs: An ever expanding ATM page.
Amateur Telescope Making Journal: The Journal for ATMs. Only selected articles available.
ATM Archives: ATM chat group. Lots of clutter, but some of it interesting. Indexed and archived.
Stevick: Off-axis telescope designs-- Schiefspieglers, Tri-Schiefs, Yolos and, of couse, Stevick-Pauls
Other Useful Sites
Manchester Astronomical Society: Very active club; includes sophisticated barn-door designs.
Dan's Astronomy Software: Ever get lost in those software servers? Here's a useful compilation of Astronomy FREEWARE!
MoonCalc: Nice Lunar FREEWARE from Monzur Ahmed.
The Solar System: This site beats any official government site.
Dave's Astronomy Magazine: A U.K. magazine with useful links, and product reviews.
Astronomer Magazine: See what S&T used to look like, by checking out this informative and useful U.K. magazine.
Astromart: Used astronomy goods on line. Read at your own risk!
Space Science
JPL's Comet Observation Home Page: Currently observable comet ephemerides, recent observations, links to other comet pages, and links to images archives (Hyakatake and Hale-Bopp).
Marshall Space Flight Center: This is where they test those rockets before they blow up on the pad!! Includes their very nice J-Track program for keeping track of the Shuttle, Mir, etc.
Observatories
Mount Wilson: Has star map service
University Astronomy
University of Chicago: Links to Yerkes Observatory, Adler Planetarium, internal pages, and their Apache Point Observatory.
Spacecraft
Mars Pathfinder: Main public page on largest commercial server (can handle 15,000,000 hits a day), with links to other pathfinder science pages.
SHARP Light Gas Gun: The future of space technology. Very old page -- has the government imposed censorship? Christian Boll would be proud!