About Us / Membership

Image: Logo of the Cuyahoga Astronomical AssociationThe Cuyahoga Astronomical Association (CAA) is a nonprofit organization established in 1957. Its purpose is to organize local amateur astronomers and to promote the science of astronomy to its members and the general public.

CAA membership is open to the public. There are no special requirements to join, only an interest and desire to learn more about issues astronomical and to share that learning with others. Click here for our membership form in PDF. Please use Adobe Acrobat Reader or similar software to open and print the form, then complete and mail in or return the form at a club meeting with dues payment.

The CAA is ideally suited for the average person, offering the beginner of all ages a way to stay informed of the latest developments in the world’s oldest science.

Our members range from junior high school students to senior citizens. CAA expertise runs the gamut from beginner to professional astronomer.

The CAA is also a charter member of the Ohio Turnpike Astronomers Association (OTAA), a statewide consortium of amateur astronomer associations sponsoring conventions each summer.

CAA Mailing Address:
Cuyahoga Astronomical Association
PO Box 868
North Olmsted, OH 44070-0868

Email the Webmaster

Monthly Meetings

Our monthly meetings are held on the second Monday of every month (except December) at 7:30 PM at the Rocky River Nature Center; 24000 Valley Parkway; North Olmsted, Ohio, in the Cleveland Metroparks. Meetings begin with a lecture presented by a CAA member or invited guest on subjects ranging from “Astronomy on the Internet” to “Amateur Telescope Making” or “Updates on Space Exploration Activities.” The program is followed by a refreshment and social break to discuss astronomical issues with other members, and the evening concludes with a membership business meeting.  Information on monthly meetings, speakers, and current astronomical events are described in the CAA newsletter, “The Observer,” and on this Web site.

Image: Night Sky NetworkPublic Programs & Star Parties

Our programs are open to the general public. The programs are usually held in one of the Cleveland Metroparks or Medina County Metropark System, and at our observatory outside Spencer, Ohio. The programs typically begin with a presentation of an astronomy-related subject. Following the program, a star party is held (weather permitting).

So, what’s a star party? Many times during the year, and following public programs, members of the CAA bring their telescopes out and allow the general public to view lunar, planetary, and deep sky objects. It is a great opportunity to look through different telescopes and compare them.

Membership Includes:

  • A subscription to the CAA monthly newsletter, The Observer (optional extra cost for printed edition vs. online access)
  • Group discounts on subscriptions to Sky & Telescope, and Astronomy magazines, the Observer’s Handbook of the Royal Astronomical Society of Canada, and other special offers
  • Access to the CAA Observatory and its telescopes (once trained)
  • Advice and assistance from experienced amateur astronomers, many of whom are also members of the Association of Lunar and Planetary Observers (ALPO is not for the dogs!), the American Association of Variable Star Observers (AAVSO), or the Astronomical League

Metroparks permits

CAA members who are interested in observing in the Cleveland Metroparks and/or Medina Parks after normal park hours may pick up copies of the CAA blanket permits from the CAA secretary. Please leave your name as you pick up your copy of our permit. Those using copies of our permits must notify the park rangers at least 24 hours in advance of their intent to be in the park observing the stars, as is stated on the permit. Park rules and regulations are listed on the reverse side of each permit copy. Members must have a copy of the permit with them on site. If several members are going to the same site at the same time, one member must have contacted the rangers and have a copy of the permit on site.
All Cleveland Metroparks areas are covered by our permit. Here are some favorites:

  1. Frostville Museum Field — Rocky River
  2. Lewis Road Riding Ring — Rocky River
  3. Wolf Picnic Area — Lake Erie Nature & Science Center
  4. Meadows Picnic Area — Brecksville
  5. Top 0′ Ledges Picnic Area — Hinckley

Medina County Park District areas covered by our permit:

  1. Letha House Barn

Those wishing to view in park areas not covered by our permits may contact the parks directly and arrange for their own permit. If a group of members wishes to observe in an area not covered by our permits, one may contact the CAA and we will contact the metroparks about extending the use of our blanket permit.


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