The BYU Astronomical Society

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The Brigham Young University Astronomical Society is a student-run organization under the direction of the Department of Physics and Astronomy.

We present weekly public planetarium shows in the Royden G. Derrick Planetarium located in the Eyring Science Center. In addition to weekly shows we host monthly star parties in the mountains east of Provo and other outreach and educational activities.

Membership in the society is open to anyone with an interest in astronomy, stargazing, planetariums, telescopes, or staying up late. For membership information, see our membership page.


Society activities:

  • Weekly public planetarium shows (every Friday at 7 and 8pm)
  • Weekly public night sky observation (following planetarium shows)

Interested in Becoming a Member?


Planetarium Shows

Weekly planetarium shows are held most Friday nights at 7:00 PM and 8:00 PM.  Tickets are $2 at the door, and go on sale at 6:30 PM.  After the shows, the observation deck on the roof will be open, weather permitting, with telescopes setup for the public to look through. Click here for information on this week's planetarium show. The schedule for this semester can be found here.

The Planetarium is located in room N465 on the 4th floor of the Eyring Science Center on BYU Campus in Provo, Utah.  Click here for a map of BYU and parking information.  Click here for a map of the fourth floor of the Eyring Science Center.

The Astronomical Society is not in charge of scheduling outreach shows.  For  information about scheduling outreach shows for school or scout groups, please visit

Observation Deck:

The Astronomy Club is responsible for manning the telescopes on the observation deck after planeterium shows.  At least two club members that are authorized by Dr. Stephens or Dr. Lawler should be there every Friday night that is clear. To sign up for working the deck, or learning how to use the telescopes sign up here.

    If you would like more information about the Astronomical Society, please visit our contact information page.

    For planetarium scheduling inquiries please visit the BYU Planetarium website.

    The BYU Astronomical Society is part of the