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The Astronomical League
The Astronomical League
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Astronomical Society of Harrisburg
Astronomy Club in Harrisburg, PA in central PA
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Amateur Astronomers Association of Pittsburgh
Astronomy Club in Pittsburgh, PA
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Bucks-Mont Astronomical Association
Astronomy club for Bucks and Montgomery Counties in southeastern PA
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Chesmont Astronomical Society
Astronomy club for Chester and Montgomery Counties in southeastern PA
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Delaware Valley Amateur Astronomers
Astronomy club for southeastern PA
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Greater Hazleton Area Astronomical Society
Astronomy club for the Hazleton area in northeastern PA
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International Dark-Sky Association
Dedicated to preserving our dark skies through light pollution awareness and prevention
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Lehigh Valley Amateur Astronomical Society
Astronomy club in Allentown, PA
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Penn State Astronomy Club
Astronomy club for students at Penn State University, in State College, PA
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Pennsylvania Outdoor Lighting Council
Pennsylvania Section of the International Dark-Sky Association. Find out how to fight light pollution in your neighborhood.
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Peoria Astronomical Society
A great website for a universe of astronomical maps and data
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Stellafane
Web page of the Springfield Telescope Makers
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York County Astronomical Society
Web page for the York County Astronomical Society, host of the Mason-Dixon Star Party
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Build A Solar System
Build A Solar System
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Central Bureau for Astronomical Telegrams
Central Bureau for Astronomical Telegrams
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NASA Eclipse Web Site
Web site about eclipses
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Heavens-Above
Website for predicting visible satellite, ISS and Shuttle passes
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19 |
Home Planet
Astronomical Planetarium Software for viewing sky charts on your PC. Public Domain Software, No Charge!!
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Jovian Moon Position Applet
See the locations of the moons of Jupiter and any shadows visible by keying in the time you wish to view the planet
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