Maine
Astronomical Society
of Northern New England, South Portland
H.
J. Fowler Observatory
Northern
Stars Planetarium, Fairfield
Penobscot
Valley Star Gazers
Maryland
The Astronomical
Society of Greenbelt
Harford
County Astronomical Society, Bel Air
National
Capital Astronomers, Washington, D.C.
Maryland
Students for the Exploration and Development of Space, College Park
Tri-State
Astronomers
Westminster
Astronomical Society
Massachusetts
Aldrich Astronomical
Society
American
Association of Variable Star Observers
Amateur
Telescope Makers of Boston
North
Shore Amateur Astronomy Club
Michigan
Amateur Astronomers
of Jackson
Astronomical
Society of Michigan
Eastern
Michigan University Astronomy Club, Ypsilanti
Grand
Rapids Amateur Astronomical Association
Grand
Traverse Astronomical Society
Kalamazoo
Astronomical Society, West Michigan
Marquette
Astronomical Society
Muskegon
Astronomical Society, Michigan
Seven
Ponds Astronomy Club
Shoreline
Amateur Astronomical Association, Holland
Sirius
Stargazers Club
Student
Astronomical Society at the University of Michigan
University
Lowbrow Astronomers
Warren
Astronomical Society
Minnesota
Eisenhower
Astronomy Club
Minnesota
Astronomical Society
Mississippi
Rainwater
Astronomical Association, French Camp
Missouri
The Astronomical
Society of Kansas City
Central
Missouri Astronomical Association
Springfield
Astronomical Society
St.
Louis Astronomical Society
Montana
Central Montana
Astronomy Society
Mission
Valley Astronomy Club
Southwest
Montana Astronomical Society
Nebraska
Omaha Astronomical
Society
Panhandle
Astronomy Club
Platte
Valley Astronomical Observers
Prairie
Astronomy Club, Lincoln
Nevada
Astronomical
Society of Nevada
Great
Western Astronomers (Nevada/NE California)
Highlander
Astronomical Society
Las
Vegas Astronomical Society
Space
Science for Schools
Western
Observer's Webring (Western United States)
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