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

Announcement: All RAS Public Events Postponed Until Further Notice

RAS star parties and outreach events have been cancelled in light of the ongoing COVID-19 travel and gathering restrictions. Club meetings are now being held virtually via WebEx.

Travel to GMARS is highly discouraged and access to the houses is prohibited.

Stay tuned to this website and to our Facebook page for updates.

Nightfall 2020

Nightfall 2020 is cancelled
Nightfall 2021: 11/4-11/7

Details >

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 6/2021!)

MORE INFO >

Follow the best astronomy club in southern California, the Riverside Astronomical Society!


Quick links for browsing your way through RivAstro.org—The RAS Website—and getting to other sites
Next star party of the Riverside Astronomical Society–The best astronomy club in southern California!

Monthly Star Party at GMARS

Postponed Until Further Notice

All RAS public activities are currently postponed. Please check this space for updates.

North America and Pelican Nebulae by Glenn Diekmann

Glenn Diekmann brings us this gorgeous image of the North America and Pelican Nebulae. He used a Stellarvue SVX80T telescope, Atik 383L+ camera, and an Astro-Physics Mach1 GTO mount to capture 42 hours of data! 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.