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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.

The purposes for which the TCAA is formed are: to promote in every way among its members and the general public an interest in, and knowledge of, astronomy and its allied sciences; to advance amateur astronomy and observational techniques; to render assistance to other individuals or organizations working in the same or related fields; and to do everything necessary and proper to further such on a formal or informal basis.

On this site you can find out about us, 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...

Annual Banquet & Meeting

When Saturday, February 8, 2020 6:00 PM - 9:00 PM
Status Scheduled
Where Normal Township Hall
What Make plans now to attend the TCAA’s Annual Meeting. Next year, 2020, will be the 60th anniversary of the club’s founding. Next year’s celebratory event will be held on Saturday, February 8th, at the Normal Township Hall, 304 East Mulberry Street, Normal. The doors will open at 6:00PM, with those gathered called to order at 6:30PM. Again, get this date into your calendar so you don’t forget about it and can avoid a schedule conflict. The TCAA Annual Meeting one of the best activities that the club sponsors throughout the year, and you’ll not want to miss it!
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We are a 501c(3) non-profit organization. All contributions are tax deductable.

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