Facilities & Events

The Minnesota Astronomical Society (MAS) owns and operates the Eagle Lake Observatory (ELO) which consists of the Onan Observatory, Sylvia A. Casby Observatory, and "Hotspot" Classroom in Baylor Regional Park. MAS manages these state-of-the-art facilities for the benefit of students, teachers, the public-at-large, and members of the society. Its primary mission is education and public outreach.

Learn more about the Minnesota Astronomical Society facilities, society membership, and upcoming events by visiting their website!

Please note that these facilities are only open to the public when MAS members are on site.

Star Parties

• Check our Parks Events & Activities Calendar for upcoming events hosted by MAS at Baylor Regional Park.
• 2024 Public Star Party Schedule (pdf)
• 2025 Public Star Party Schedule (pdf)
  • March - November

Camping with the Stars Annual Event

• This exciting weekend includes MAS events, speakers, night-sky tours, & camping!
  • August 1-3, 2025
  • July 17-19, 2026
  • August 6-8, 2027
  • July 28-30, 2028
  • July 13-15, 2029
  • August 2-4, 2030
• Learn more here.