The Birthplace of American Astronomy

See through the oldest public telescope in the country.

Mission & Vision Topics in Astronomy Jupiter Night Solar Eclipse 8-21-17



Welcome to the


We are a fully functioning 19th century observatory used daily by the public and amateur astronomers, civic organizations, teachers and students, scouts and history buffs. We offer public astronomy programs and stargazing every Thursday & Friday evening and dozens of special events throughout the year.



A National Historic Landmark


When you explore the beautiful buildings and see through the large, historic telescopes, you'll step back in time and space. 

Watch our New Video






Each month explore a different topic in this wild, wonderful universe. 

Great for beginners.

Learn More Astronomy






Sunday June 25 from 1-4pm 

Astronomy + ice cream = best event ever!

Here Comes The Sun





August 21, 2017

Learn how to see this astronomically cool event safely from Cincinnati or from the path of totality.

Get Ready For The Eclipse

Mission & Vision
Topics in Astronomy
Jupiter Night
Solar Eclipse 8-21-17

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