The Birthplace of American Astronomy

See through the oldest public telescope in the country.

Visiting Hours Topics Classes Sunday Sun-day Sundae First Star



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 8:30pm




Astronomy Classes For Beginners


These classes will keep you looking up while learning a new astronomical topic each month

More Info








July 1 and August 5, from 1-4pm

Combining safe solar viewing with eating ice cream - it's like the best summer-time event ever!

Follow the Sun 




First Star - Children's Book


Meet renowned author and illustrator Will Hillenbrand and get his latest book.  It's astronomical!

More Info

Visiting Hours
Topics Classes
Sunday Sun-day Sundae
First Star

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