Amateur
- 441
- The Albuquerque Astronomical Society
- News, educational outreach, programs, newsletter, classifieds, and archives.
- 442
- The Astronomical Society of Las Cruces
- Observer information, calendar, meetings and clinics, lecture series, resources, and observing sites.
- 443
- Amateur Astronomers Association of Princeton
- Current events, guest speakers, features and reviews, and gallery.
- 444
- Amateur Astronomers, Inc
- Club activities, newsletter, observatory, gallery, public talks, sky guide, public events, and tutorials located in Garwood.
- 445
- Astronomical Society of the Toms River Area
- Schedule, gallery, star parties, activities, telescope loan, in the sky, and links.
- 446
- New Jersey Astronomical Association
- Research, lectures, education forums, light pollution and links located in High Bridge.
- 447
- The Society for Telescopy, Astronomy, and Radio (STAR Astronomy)
- Object, photo, link, and chart of the month, news, and images located in Red Bank.
- 448
- Astronomical Society of Nevada
- News, calendar, downloads, agenda, newsletters, and events located in Reno.
- 449
- Las Vegas Astronomical Society
- Upcoming events, newsletter, news, gallery, tips and techniques, resources, store, message board, and the sky tonight.
- 450
- Omaha Astronomical Society
- Beginners corner, constellation of the month, reviews, events, resources, programs, news, forum, and tips, and tricks.
- 452
- Southwest Montana Astronomical Society
- Observing and space resources, upcoming meetings and activities, and FAQ located at Bozeman.
- 453
- Saint Louis Astronomical Society
- Meeting announcements, images, clear sky clocks, star party information, and links.
- 455
- Ford Amateur Astronomy Club
- General information, observation sessions, calendar of events, newsletter, FAQ, and gallery located at Dearborn.
- 456
- Grand Rapids Amateur Astronomical Association
- Events calendar, young astronomers section, sky tonight, news, newsletter, gallery, and classifieds located in Lowell.
- 457
- Kalamazoo Astronomical Society
- General meetings, young astronomer section, constellation club, observing sessions, and schedule of events.