Chicago
Astronomical
Society

...to promote the interest in, and advance the knowledge and understanding of
astronomy, the most ancient and the noblest of the physical sciences.

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Absolutely nothing happened in Sector 83 by 9 by 12 today.

The July 2026 General Meeting of the Chicago Astronomical Society will be on Saturday, July 25, 2026 at 17:00 CST
Details!

Record-keeping help needed:

Election Season is beginning!

The Chicago Astronomical Society is a proud member of the Astronomical League

The Chicago Astronomical Society is part of the