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Important Dates

General Meeting: December 14

Anza: January 5

Orange County: January 5

Upcoming Events

December 13 (Thu) at 7:00 PM : Private Outreach - Danbrook Elementary

December 14 (Fri) at 7:30 PM : OCA General Meeting

December 21 (Fri) at 7:30 PM : Private meeting-Astropysics SIG

More events from the calendar

Discussion Groups

Next General Meeting (all general meetings are free and open to public)

Date: 12/14/2018

Speaker: Riccardo DeSalvo from CSULA

Subject: Astrophysics learning from the detection of Gravitational Waves

"What's Up?": Chris Butler from OCA


The September 2018 issue of the Sirius Astronomer is now available to members (log in required).

Back issues are available to all without a log in.

Use this link for your purchases and amazon will pay 4% - 6% to OCA.

Use this link to purchase OCA apparel.

LAST UPDATE: July 27, 2018 12:13PM PDT

Barbara Toy |
After a lot of hard work by Edison and Anza Power, the electricity is back on for the Anza Valley, including our Anza site. They had to repair about 2 miles of transmission lines and supporting structures, a lot of it in inaccessible areas, so it was a major endeavor, but they actually got it done earlier than their announced target date, which was 8/6/18. So, if you go out to Anza, you should have power and water.

How To Use Your New Telescope Class
Admin |
Do you have a new telescope? Do you have a telescope sitting around that you've never quite learned how to use? Come to the Orange County Astronomers' free class on how to ...

AstroImagers Meeting - Wed., May 2
Dave Kodama |
Wednesday (May 2nd) at 6:30pm: Tom Bash will speak about "Imaging from Kitt Peak and Mt. Lemmon Observatories in Arizona".

Barbara Toy |
Our April meeting will be on 4/6/18 instead of 4/13/18, as our host, Chapman University, needs the auditorium on our usual night. So, please plan to be there a week early - see you all on 4/6/18!

Barbara Toy |
The AstroImage SIG will meet at the Urban Workshop at 365 Clinton St., Ste A, Costa Mesa, CA 92626 for its March meeting on 3/7/18. The meeting will start at 6:30 p.m. instead of 7:00 p.m.

Volunteers needed for January 5th event
Admin |
We need volunteers to help out at the "Bring your Scope" Beginner's Class Friday evening for two hours.

OCA Member Goes From Musician to Student to NASA Intern
Vadim Taver |
I decided to go back to college at 32 for astrophysics and with hard work and determination have already had the honor of finishing two programs at JPL / NASA.

Barbara Toy |
The meetings of the AstroImage SIG have been moved to the first Wednesdays of the month, so the September meeting is on 9/6/17. It will be at the Digital Media Center, 1300 S. Bristol Ave., Santa Ana, CA 92704, in the "Multipurpose Room." Please contact Alan Smallbone for more information.

The OCA Astro Shop is Open!
Charlie Oostdyk |
Purchase T-Shirts, Hoodies, Sweatshirts, Tank Tops, and more. Apparel for Adults, Children, and Dogs!

July 2017 President's Message
Barbara Toy |
Congratulations to Pauline Acalin on her first issue as editor of the Sirius Astronomer, farewell to Amir Soheili as club trustee, welcome to John Hoot as our newest Board member, Starbecue at July Anza Star Party, and comments on the upcoming eclipse.

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