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Membership Levels

The Mitchel Telescope made in 1845 under the dome

There are many benefits to becoming a member of the Cincinnati Observatory, in addition to helping to support the Nation's Oldest Public Observatory. These benefits include:

  • Free admission to our year-round Astronomy Friday programs (Please register online!)
  • Free admission to the historic landmark buildings for daytime tours.
  • Discounts on special events, programs and classes
  • Priority Registration and Members Only access for select events and programs. 
  • Invitation to Friends of the Observatory (FOTO) Amateur Astronomers meetings (2nd Monday of each month at 7:30pm) 
  • Select discounts in the Gift Shop

You can also get a gift membership using the link below.

Membership Levels

To join or purchase a gift membership, Click Here  or you can complete a Mail In Form. For more details on the different levels and benefits click the level name below.


Cost: $40

Who: One Adult 

Benefits: All Plus access to our library lending


Cost: $60

Who: Two Adults + children under 18 in household

Benefits: All plus free Cosmic Kids club admissions, and Access to our telescope loan program.


Cost: $100

Who: Family 

Benefits: All plus Observatory postcard set & two guest passes for any Astronomy Evening


Cost: $250          

Who: Family

Benefits: All plus 4 guest passes to Members-Only events/program/classes

Mitchel Society Leadership Level

Moon Membership

Cost: $500

  • All plus one privately guided, one hour Observatory tour for up to 10 guests
  • Invitation to annual Mitchel Society Autumn Equinox reception

Sun Membership

Cost: $1,000

  • All plus one privately guided, two hour Observatory tour for up to 20 guests  
  • Unlimited guest passes upon request. 
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