The Birthplace of American Astronomy

See through the oldest public telescope in the country.

Mission & Vision Astronomy From the South Pole Photo Contest Topics in Astronomy



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. Open Monday through Friday 12-4 for you to explore, offer astronomy programs and stargazing Thursday & Friday evenings, 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




ScopeOut Astronomy Fair

Our all day (and all night) celebration of Astronomy, Science, History and STEM Education.

Saturday, September 23, 2017
Noon to 11pm
Part of the Great Outdoor Weekend.

More Info




Astro Photo Contest


We're searching for the best photos of the heavens and the Observatory to go into our 2018 Calendar. The contest is open to anyone and everyone.  

For More Info 





Topics in Astronomy


October, November & December Classes.

These fun and laid-back classes for beginners focus on a variety of topics and will surely keep you looking up!  

Pick a Topic (or all three)

Mission & Vision
Astronomy From the South Pole
Photo Contest
Topics in 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