Amateur
- 422
- Wilderness Center Astronomy Club
- Tutorials, news, gallery, and a calendar of events located at Wilmot.
- 423
- Cape Fear Astronomical Society
- Schedule, newsletter, references, and photos located at Wilmington.
- 424
- Amateur Astronomers Association of New York
- Education, observing, newspaper, gallery, and articles located in New York City.
- 425
- Amateur Observers Society of New York
- Meetings, stargazing, moon calendar, gallery, light pollution, library list, and links located at Long Island.
- 428
- Rockland Astronomy Club
- Calendar, special events, newsletter, articles, photography, and classifieds located in Suffern.
- 429
- Westchester Amateur Astronomers
- News, events, bulletin board, images, and links located at Valhalla.
- 431
- The Albuquerque Astronomical Society
- News, educational outreach, programs, newsletter, classifieds, and archives.
- 432
- The Astronomical Society of Las Cruces
- Observer information, calendar, meetings and clinics, lecture series, resources, and observing sites.
- 433
- Amateur Astronomers Association of Princeton
- Current events, guest speakers, features and reviews, and gallery.
- 434
- Amateur Astronomers, Inc
- Club activities, newsletter, observatory, gallery, public talks, sky guide, public events, and tutorials located in Garwood.
- 435
- Astronomical Society of the Toms River Area
- Schedule, gallery, star parties, activities, telescope loan, in the sky, and links.
- 436
- New Jersey Astronomical Association
- Research, lectures, education forums, light pollution and links located in High Bridge.
- 437
- The Society for Telescopy, Astronomy, and Radio (STAR Astronomy)
- Object, photo, link, and chart of the month, news, and images located in Red Bank.
- 438
- Astronomical Society of Nevada
- News, calendar, downloads, agenda, newsletters, and events located in Reno.