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Rittenhouse Astronomical Society - http://www.rittenhouseastronomicalsociety.org/
Meetings, events, and items of interest located at Philadelphia. |
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Bucks-Mont Astronomical Association - http://www.bma2.org
Picture archive, calendar of events, club event calendar, observation reports, message board, and activities located in Chalfont. |
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Central Pennsylvania Observers - http://www.cpoclub.org
Skywatch, meetings, resources, calendar, and links located in State College. |
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PennState Astronomy Club - http://www.clubs.psu.edu/up/astro/
Meetings, history, events, equipment, and gallery located at University Park. |
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Amateur Astronomers Association of Pittsburgh - http://3ap.org/
Calendar, facilities, features, guides, and light pollution. |
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The Astronomical Society of Harrisburg, PA - http://www.astrohbg.org/
Classes, events, public speaking and observing, information, gallery, star party information, resources, and forum. |
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Berks County Amateur Astronomical Society - http://www.berksastronomy.org
Calendar, library, events, and newsletter located at Wyomissing. |
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The Delaware Valley Amateur Astronomers - http://dvaa.org/php/page.php?body=Home
Events and meetings, public star parties, gallery, articles and observing tips, space news, and links located in Philadelphia. |
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Chester County Astronomical Society - http://www.ccas.us/
Astrophotography, calendar, library, maps, and newsletter archive. |
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The Oil Region Astronomical Society - http://www.oras.org
Includes observatory information, education section, calendar, gallery, star party information located in Oil City. |