The Birthplace of American Astronomy

See through the oldest public telescope in the country.

Mission & Vision Late Night, Date Night Saturnday Sun-day Sunday Sundae



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






The hottest ticket to the Observatory is back on July 2 and 16. A romantic night under the stars awaits.

Stay Up Late








See the ringed planet up close and personal at this very special event

Saturday July 9, from 9-11pm

For More Info





Sun-day Sunday Sundae


Sunday June 26 from 1-4pm

Safe solar viewing through our telescopes plus ice cream... It's like the best event ever!

Follow the Sun

Mission & Vision
Late Night, Date Night
Sun-day Sunday Sundae

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