Public Star Party

Join us at the Hidden Valley Observatory as we celebrate the 50th Anniversary of the Apollo 11 lunar landing. Friday, July 19 - Click the image above for details.

Become a Member of Black Hills Astronomical Society!

Learn more about Black Hills Astronomical Society, located in Rapid City, South Dakota, and the benefits of becoming a member.

Private Star Party Workshop?

Interested in a private star party workshop for your organization? Learn more here.