The Birthplace of American Astronomy

See through the oldest public telescope in the country.

Visiting Hours International Observe-the-Moon Night Luminaria 175th Celebration



Welcome to the


We are a fully functioning 19th century observatory and a National Historic Landmark used daily by the public and amateur astronomers, civic organizations, teachers and students, scouts and history buffs.



Visiting the Observatory


We are open Daytime Hours to see the historic buildings and telescopes, Monday-Friday from Noon-4pm with tours at 1pm, 2pm, and 3pm

And Visit Us in the Evening to view through the telescopes to see the Moon, stars, and planets every Thursday and Friday night at 7pm






Perfect for beginners these one-nights classes will get you looking up!

More Info








Sunday December 9, 6:30-8:30pm

Join us for our annual Holiday Open House

Light Up the Night







A huge thank you to everyone who celebrated our anniversary.  If you'd like make a contribution in honor of 175 years of astronomy in Cincinnati: Donate to the future of the Observatory here



Visiting Hours
International Observe-the-Moon Night
175th Celebration

Join Us

Join, donate, and volunteer to make the "Birthplace of American Astronomy" a vibrant center for education and wonder

Public Events

See "What's Up" at the Observatory.  Each season has a new planet, star cluster, or nebula to explore

School Programs

Plan a field trip, schedule an outreach visit to your classroom, or gather the scouts for an evening at the Observatory