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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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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:
  • Planetarium shows (for free!)
  • Thrilling talks!
  • Munchies!
  • Fun!
TCAA Membership Has Its Privileges
  • Use of our private observatory complete with an LX-200 GPS 12" telescope!
  • Use of any of our five (and counting!) portable telescopes (including a 16 inch!)
  • Star parties at dark-sky sites, field trips, pizza parties, you name it!
  • Unlimited use of our extensive library
  • Our page monthly newsletter, The Observer
  • Optional subscription to Abrams Planetarium Sky Calendar (a $9 value!)
  • Subscription to The Reflector, the Astronomical League's quarterly newsletter
  • An extensive new-member packet
  • A 10-40% discount on astronomy books through the Astro. League
  • Big discounts on Astronomy and Sky & Telescope magazines.
Select which membership you want:
(Amount includes $1 handling charge)