Club Contact Info
Mount Diablo Astronomical Society
2070 N. Broadway #4889
P.O. Box 4889
P.O. Box 4889
Walnut Creek CA 94696
Mount Diablo Astronomical Society
About Us
Welcome to Mount Diablo Astronomical Society!
M.D.A.S. was formed in 1957 as part of the National "Moonwatch" program established to time the first man-made satellites so accurate orbits could be calculated.
We invite you to attend our monthly meetings. Experience outstanding speakers and conversation with friendly astronomy enthusiasts.
Join us: become an MDAS member!
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