The Birthplace of American Astronomy

See through the oldest public telescope in the country.

Visiting Hours First Star Sunday Sun-day Sundae Saturnday



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




First Star - Children's Book


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

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 






Saturday July 21, from 9-11pm

Saturn season kicks off with our special viewing party at the Observatory

See the Rings



Visiting Hours
First Star
Sunday Sun-day 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