Bruce County Astronomical Society, Elliot Lake Astronomy Club, Fraser Valley Astronomers Society, Hamilton Amateur Astronomers, Lethbridge Astronomy Society, Ottawa Valley Astronomy and Observers Group, Royal Astronomical Society of Canada - Regina Cent, Royal Astronomical Society of Canada - Victoria Ce, Stratford Astronomy Group, Sunshine Coast Astronomy Club

Alachua Astronomy Club, Alamogordo Astronomy Club, Aldrich Astronomical Society, Amateur Astronomers Association of New York, Amateur Astronomers Association of Pittsburgh, Amateur Astronomers Association of Princeton, Amateur Astronomers, Inc, Amateur Astronomy in North East Pennsylvania, Amateur Observers Society of New York, Amateur Telescope Makers of Boston