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Chester County Press

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Chesmont Astronomical Society

The Chesmont Astronomical Society (CAS) is a non-profit organization with meetings being held at the Crow’s Nest Preserve in Elverson PA. We exist to observe the night sky and to talk about what we have seen. Our monthly meetings are normally held on the Sunday nearest the full Moon starting at 7:00 P.M. Meetings are free and open to the public. Membership in the CAS is available but not required. For more information visit