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Twin City Amateur Astronomers
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Join the TCAA

The TCAA is open to anyone with an interest in astronomy.
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For more information, read on, or view our Membership Brochure.
Things We Do
In addition to our stellar meetings (described below), TCAA members participate in a myriad of thrilling activities, including:
  • Star parties locally & at dark sky sites
  • Exhibits and displays
  • Lectures
  • Adult-ed programs
  • Talks to schools and scouts

When Stars Collide: TCAA Meetings
We have informal gatherings each month at the Sugar Grove Observatory and elsewhere. Even if you are not a member, you are welcome to participate. Our varied agenda includes:
  • Thrilling talks!
  • Panoramic sky tours!
  • Fascinating observing programs!
  • Astrophotography!
  • Fun!
TCAA Membership Has Its Privileges
  • Use of any of our telescopes.
  • Use of our private observatory
  • Star parties at dark-sky sites, field trips, pizza parties, you name it!
  • Access to our extensive library
  • Our multi-page monthly newsletter, The Observer
  • Subscription to The Reflector, the Astronomical League's quarterly newsletter
  • A discount on astronomy books through the Astronomical League
Select which membership you want:
(Amount includes $1 handling charge)