The Birthplace of American Astronomy

See through the oldest public telescope in the country.

Mission & Vision Sit, Stay, Stargaze Facts From Space Supermoon 2016



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






Sunday October 2, from 1-4pm

The Observatory's first ever animal adoption event presented by Red Dog Resort and Spa





Facts From Space!


The new book by Dean Regas is out!  Facts From Space will take your imagination on a tour around the solar system, the galaxy and beyond.

Know the Facts 






Watch the Full Moon rise on our beautiful east-facing lawn at our annual lunar celebration

October 15 from 6-9pm

Howl at the Supermoon



Mission & Vision
Sit, Stay, Stargaze
Facts From Space
Supermoon 2016

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