Amateur
- 462
- Gloucester Area Astronomy Club
- News, calendar, photo gallery, observing notes, games, links, and contact info.
- 464
- South Shore Astronomical Society
- Directions, downloads, minutes, gallery, and events located at Norwell.
- 467
- Howard Astronomical League
- Meetings, calendar, star parties, observing information, documents, resources, and gallery located in Columbia.
- 468
- National Capital Astronomers
- Public meeting and lecture schedule, open telescope nights, telescope making and mirror grinding class, and exploring the sky program located in the Bethesda.
- 470
- Astronomical Society of Northern New England
- Events, newsletters, star party curriculum, and links located in Kennebunk.
- 471
- Southern Maine Astronomers
- Education, observing information, outreach, forum, and newsletter located at Cumberland Center.
- 473
- Ouachita Valley Astronomy League
- Events, chat room, forum, galleries, meetings, projects, and star parties located at Monroe.
- 474
- Shreveport-Bossier Astronomical Society
- Star parties, gallery, special topics, newsletter, and links.
- 476
- North Central Kansas Astronomical Society
- Events, projects, education resources, and galleries located in Manhattan.