Category Archives: Article

**Cancelled** Star-B-Que and starparty

Posted on by alan

The Anza star party and Star-B-Que for this coming weekend is cancelled due to the dangerous and large fire. The area for the site is under mandatory evacuation and the […]

Outreach is now operational and we are looking for volunteers….

Posted on by alan

Outreach is back up and running after a hiatus. Martin Christensen has graciously volunteered to be our new Outreach Coordinator. A big welcome to Martin, who is a long term […]

OCA HAS A NEW OUTREACH COORDINATOR AND WE NEED OTHER OUTREACH VOLUNTEERS

Posted on by Reza

Our traditional OCA Outreach program focused on events where volunteer club members brought telescopes to certain locations, generally schools or parks, for students, their families or members of the general […]

SOCIAL MEDIA COORDINATOR NEEDED

Posted on by Reza

If you enjoy social media and would like to help keep our accounts active, we are seeking a social media coordinator and would love to hear from you.  We have […]

2024 Election: Nominations are open

Posted on by Reza

The OCA is a California non-profit corporation, whose business affairs are
managed by four Officers (President, Vice President, Treasurer, and
Secretary) and seven Trustees. These people are nominated by the
membership, and …

This Summer’s OVRO Trip 2023

Posted on by Reza

This summer we had about 40 people join us at OVRO for an exciting event. One of the new developments was to see the DSA 110 telescope being fabricated. That […]

StarBBQue is cancelled for today due to excessive heat and smoke and air quality

Posted on by alan

The current forecast is for 102F today and is currently 99 on site, there is a large fire that is uncontrolled in the Moreno Valley, north of Hemet at Gillman […]

Owens Valley Radio Observatory Trip

Posted on by Reza

OWENS VALLEY RADIO OBSERVATORY TRIP SCIENCE BEYOND THE BOOK June 23-25, 2023 With Dr. Mark Hodges and Dr. Doug Millar and Cecilia Caballero, MA     Please join with us […]

The site is now available….

Posted on by alan

The road has now been fixed and is passable. Thanks to Gary Schones, Bob Peck and any other members who helped out. Hi if you are planning on going to […]

Gaia Space Telescope Resources

Posted on by Reza

Links to resources for the Gaia Space Telescope mentioned during John Hoot’s talk at the 11/11/2022 general meeting.   https://www.cosmos.esa.int/web/gaia/data-release-2 https://www.cosmos.esa.int/web/gaia/data-release-3 http://www.star.bris.ac.uk/~mbt/topcat/ http://andromeda.star.bris.ac.uk/topcat/tutorial/ http://www.star.bris.ac.uk/~mbt/topcat/sun253/index.html https://www.ivoa.net/documents/TAP/ https://www.gaia.ac.uk/data/gaia-data-release-1/adql-cookbook https://www.ivoa.net/documents/latest/ADQL.html