Riverside Astronomical Society—Outreach, star parties, dark sky site, and you!
Next monthly meeting of the Riverside Astronomical Society

RAS Monthly Meeting

Saturday, June 18th

  • Pre-Meeting Dinner: 5:00PM at Don José Restaurant
  • Beginner's Corner: 6:30PM at Cossentine Hall at La Sierra University
  • Monthly Meeting: 7:00PM at Cossentine Hall at La Sierra University

RTMC 2016

RTMC Astronomy Expo
May 26-30

Go to the RTMC Site

Attend a Riverside Astronomical Society star party at the Goat Mountain Astronomical Research Station (GMARS) in southern California's Inland Empire
Join the best astronomy club in southern California—the Riverside Astronomical Society!

Special Rates for
New Members!

  • Individual: $20
  • Family: $25
  • Student: $20

(Your membership will be valid through 6/2017!)


Calendar of events for the Riverside Astronomical Society
Next star party of the Riverside Astronomical Society–The best astronomy club in southern California!

Next Star Party

June 3rd & 4th

Get ready for our next GMARS star party! Don't forget about RTMC the weekend prior!

GMARS star parties start on Friday afternoon/evening and go through Sunday morning. Be sure to join us Saturday evening for our Star-B-Q! Get more info by clicking the link below.

Did you miss the May 9th transit of Mercury across the face of the Sun? Check out Daniel Perry's video of his weekend trip to GMARS featuring the full transit (sped up, of course).

RAS Calendar of Events

Ask the Outreach Director to add an event to the calendar. View larger calendar.

The scene at a GMARS Star Party. Join the Riverside Astronomical Society in Landers at our next star party! Photo by Michael Bauer.