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Twin City Amateur Astronomers
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Welcome to the TCAA

Welcome to the Twin City Amateur Astronomers' web site.
Located in the twin cities of Bloomington and Normal, Illinois, the TCAA was formed in 1960 to share our love of astronomy. We love doing astronomy, and talking about it: so much so that sometimes it takes a good whack across the head to get us to shut up. Ouch!
On this site you can find out about our public observing sessions, held at our dark sky observatory southwest of Bloomington; our public presentations, which take place at a variety of venues usually in the Bloomington-Normal area; and even peruse our award-winning newsletter, The Observer.


Our next Event...

July Public Observing Session

When Saturday, July 25, 2009 9:00 PM - 11:00 PM
Status Scheduled
Where SGO
What Our July Public Observing Session will be held at the Sugar Grove Nature Center. The theme of the session will be Galileo's Telescope.

We are a 501c(3) non-profit organization. All contributions are tax deductable.