Marshall Martz Memorial Astronomical Association and Observatory
- Events schedule, news articles, favorite links, and observatory information located at Frewsburg.
- http://www.martzobservatory.org/

Catskills Astronomy Club
- News, galleries, observing schedules, telescope buyers guide, library, and newsletter located in Lake Huntington.
- http://www.catskillsastro.org

Rockland Astronomy Club
- Calendar, special events, newsletter, articles, photography, and classifieds located in Suffern.
- http://www.rocklandastronomy.com/

The American Meteor Society
- Meteor showers, fireball sightings, visual and radio observing, spectroscopy, and publications of Geneseo.
- http://www.amsmeteors.org

Westchester Amateur Astronomers
- News, events, bulletin board, images, and links located at Valhalla.
- http://www.westchesterastronomers.org

Southern Tier Astronomy Recreation Society
- Offers public star parties, dark sky observing spots, workshops and astronomy classes located at Bemus Point.
- http://www.upstateastro.org/stars/stars.html

Mid-Hudson Astronomy Association
- Newsletter, observing events, star parties, lectures, services, galleries, and links located at New Paltz.
- http://mhaa.whodeanie.com/

Buffalo Astronomical Association
- Resources, online tools, events, news, and newsletter.
- http://www.buffaloastronomy.com/

Astronomical Society of Long Island
- Program schedule, events, news, links, and gallery.
- http://www.asliclub.org

Amateur Observers Society of New York
- Meetings, stargazing, moon calendar, gallery, light pollution, library list, and links located at Long Island.
- http://www.aosny.org/

Amateur Astronomers Association of New York
- Education, observing, newspaper, gallery, and articles located in New York City.
- http://www.aaa.org