Pennsylvania

State/Country
Organization Name
90 Millimeter Observatory
Harleysville
Organization Name
Allegheny College Planetarium
Meadville
Organization Name
Allegheny Observatory
Pittsburgh
Organization Name
American Lunar Society
Windber
Organization Name
Astronomical League
Wyomissing
Organization Name
Beaver County Amateur Astronomers
Beaver Falls
Organization Name
Boelcke Obs.
Northeast
Organization Name
Boyertown Planetarium
Gilbertsville
Organization Name
Buhl Planetarium
Pittsburgh
Organization Name
Central Pennsylvania Observers
Coudersport
Organization Name
Chesmont Astronomical Society
Harleysville
Organization Name
Chester County Astronomical Society
West Chester
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