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Images of nebulas, galaxies, and stars

Online Astronomy Classes

Explore The Universe From Home


What's Coming Up



Jupiter Night

October 23, 7:30pm

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The Observatory is Open

This Sunday For History Tours

More Info and Tickets


Join the Observatory!

Be a part of our
176 year history

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observatory buildings


Visit the birthplace of

American Astronomy

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Upcoming Events

The Ultimate Online Road Trip

When Astronomer Dean Regas goes on vacation, he visits other observatories.  From Pennsylvania to Arizona, Wisconsin, Colorado, California, and Hawaii, he's seen a lot of them.  Dean shares his favorites from his many astronomical road trips in this intimate online look at what it's like being an astronomer today and the excitement of seeing people inspired by the stars.

Tickets: $10 per household

The program is online and ticket get you access to the live Zoom webinar and a recording of the class that you can watch later on demand.

Dean Regas

Meet your astronomer

Dean Regas


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Help preserve a

national treasure


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kids looking at an eclipse

Our Mission:

Inspiring generations

to look to the stars

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