Big Sky Astronomical Society

Big Sky Astronomical Society is the registered assumed business name (DBA) of the Big Sky Astronomy Club, a 501(c)(3) nonprofit astronomy organization based in Kalispell and serving the Flathead Valley and Northwest Montana.

Founded in 2000, the Big Sky Astronomy Club (BSAC) provides public astronomy programs, star parties, educational outreach and dark-sky advocacy throughout Northwest Montana.

Big Sky Astronomical Society and Big Sky Astronomy Club are the same organization.

Learn more about the Big Sky Astronomy Club, our upcoming meetings and public star parties, and membership opportunities throughout our website, or contact us at info@bigskyastroclub.org.

Join the Club

Join our local astronomy club to enjoy friendly meetups, shared stargazing sessions, and community events right here in our neighborhood.

Become a Member

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The Big Sky Astronomy Club is a 501(c)(3) tax-exempt non-profit corporation, registered with both the State of Montana and the I.R.S. Donations to the Big Sky Astronomy Club are 100% tax deductible and your support will be very much appreciated. The club's EIN is 20-2801232.

Club Members: You can also use the "Donate" button below to go to PayPal and pay your dues.

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