Joseph R. Grundy Observatory

Joseph R. Grundy Observatory

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PUBLIC OBSERVING - free public sessions the third Monday each month 8:00 EDT, 6:30 EST - subject We appreciate your understanding if we ever have to cancel.

01/19/2026

Sorry to say, tonight's observing is canceled due to the snow on the roof possibly preventing the roof from operating and the forecast for high wind gusts and freezing temperatures tonight.

Fingers crossed for better conditions next month.

02/06/2025

We have to cancel this month's public observing session, which routinely would be on February 17, due to the absence of the operator on that date. We hope you can join us in March.

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Address


1000 Wilson Drive
Lancaster, PA
17603