The Birthplace of American Astronomy

See through the oldest public telescope in the country.

Visiting Hours Starfield Total Lunar Eclipse 52 Weeks of Astronomy



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






March 9 from 10:30pm-Midnight

Our most popular night under the stars is back.  An event like no other at the Observatory.

Stay Up Late







Tuesday February 19

The biggest and closest Full Moon of the year is coming up.  See it rise at the Observatory.

It's not a bird or a plane, it's Supermoon








In 2019, we're bringing telescopes and programs to each of Cincinnati's 52 neighborhoods

More info and where you can attend an event

Visiting Hours
Total Lunar Eclipse
52 Weeks of Astronomy

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