Amateur
- 482
- The Evansville Indiana Astronomical Society
- Promoting the hobby of astronomy, meeting and event schedule, the night sky, and links.
- 483
- Wabash Valley Astronomical Society
- Activities, observatory information, star party, first telescope tips, outreach, programs, and gallery located in Lafayette.
- 484
- Champaign - Urbana Astronomical Society
- Events calendar, looking up, news, helpful hints, and links.
- 485
- Lake County Astronomical Society
- The sky, news, beginners corner, dictionary, article archive, astrophotography, archaeoastronomy, and downloads located at Ingleside.
- 486
- Northwest Suburban Astronomers
- Club based in the northwest suburbs of Chicago provides membership information, event calendar including star parties, tips for beginners, reading suggestions, observing information and photo gallery.
- 487
- Peoria Astronomical Society
- News, archives, learning topics, calendar, downloads, gallery, and links.
- 488
- Popular Astronomy Club
- Calendar of events, adopt a star program, start program, newsletter, scrap book, store, and gallery located in Rock Island.
- 490
- The Fox Valley Astronomical Society
- Club brochure, newsletter, meetings, and education resources located in Wasco.
- 491
- The Naperville Astronomical Association
- Star gazing, club news and calendar, message board, library, and classifieds.
- 493
- Flint River Astronomy Club
- Calendar, directions, tools, newsletters, observing lists, awards, and library located at Griffin.
- 494
- The Middle Georgia Astronomical Society
- General information, discussion room, and directions located at Macon.
- 495
- Central Florida Astronomical Society
- Events, general and observing information, and news located in Orlando.
- 496
- Everglades Astronomical Society
- Gallery, this week's sky, planet and galaxy information, tutorial, and newsletter located in Naples.
- 497
- Museum Astronomical Resource Society
- Provides news and astronomical information to the membership and public located in Tampa.