Riverside Astronomical Society—Outreach, star parties, dark sky site, and you!

RAS Meeting

Saturday, August 25th (Regular Monthly)

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.

5:00PM – Pre-Meeting Dinner at Red Lobster Restaurant
6:30PM – Beginner's Corner at Cossentine Hall at La Sierra University
7:00PM – Monthly Meeting at Cossentine Hall at La Sierra University

More Info
Map to La Sierra University | Getting to Cossentine Hall

Nightfall Star Party 2018
November 1-4

Learn More >

Join Warren Keller and Ron Brecher at Astro-Hutech in Lake Forest for 3 days of instruction on PixInsight

PixInsight Workshop
Warren Keller & Ron Brecher
September 28-30
Astro-Hutech in Lake Forest

GMARS—The home for astronomical outreach star parties in southern California.

Weather | Sky Cams

2018 Calendar of events for the Riverside Astronomical Society

2018 RAS Calendar

Next Star Party

August 10th & 11th

Come out to enjoy the warm summer nights and air-conditioned houses! Join us at GMARS for our regular monthly star party.

GMARS star parties start Friday afternoon/evening and wrap up on Sunday morning. Be sure to join us for the potluck Star-B-Q on Saturday afternoon (roughly 60-90 minutes before sun down). We provide the dogs, burgers and fixings. You provide a sidedish, dessert or beverages!

More GMARS Star Party Info
GMARS Weather | GMARS Info | Star Party Calendar

A river of rain water flows through GMARS West on July 11, 2018.

Monsoonal rain on 7/11 put the "river" in Riverside Astronomical Society! GMARS received over 1" of rain that afternoon and the temperature dropped from 95° to 68° over the course of 2 hours! Click the image for a 1920x1080 version.

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