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

RAS Monthly Meeting

Saturday, October 12th (Regular + Board Meetings)

GMARS monthly meetings are your opportunity to attend free presentatons by professional astronomers, catch up on club business, and hear about the latest happenings in the night sky (sometimes the daytime sky too!). Our general meetings are always free and open to the public. MORE MEETING INFO >

  • 3:00PM-5:00PM – RAS Board Meeting at Mimi's Cafe
  • 5:00PM – Pre-Meeting Dinner at Mimi's Cafe
  • 6:30PM – Beginner's Corner at Cossentine Hall at La Sierra University
  • 7:00PM – Monthly Meeting at Cossentine Hall at La Sierra University

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 6/2020!)

MORE INFO >

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

Monthly Star Party at NIGHTFALL

October 24th-27th

We believe Nightfall to be one of the best, if not the best star party in the country. It's hard to argue that point when there's a hotel, RV spaces with full hookups, two pools and jacuzzis, dark skies, and many, many more amenities. Don't believe us? Check it out for yourself and join us!

The aurora borealis from Iceland

Our webmaster and network guy, Daniel Perry, was fortunate enough to travel to Iceland AND see the northern lights in April 2019! Click the image for a larger version.

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.