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Important Dates

General Meeting: April 6

Anza: April 14

Black Star: April 14

Upcoming Events

March 23 (Fri) at 8:15 PM : Private Outreach - Heritage Museum

March 25 (Sun) at 2:00 PM : OCA Board Meeting

March 31 (Sat) at 7:00 PM : OCA Banquet

April 4 (Wed) at 7:00 PM : AstroImagers SIG

April 6 (Fri) at 7:30 PM : Beginner’s Class

April 6 (Fri) at 7:30 PM : OCA General Meeting

More events from the calendar

Discussion Groups

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

Date: 04/06/2018

Speaker: Joseph Masiero from JPL

Subject: Searching for our Nearest Neighbors, the Near-Earth Asteroids: Hazard, Resource, and Destination

"What's Up?": Alex McConahay from RAS


The March 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: May 3, 2018 8:38PM PDT

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.

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 ...

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.

June 2017 President's Message
Barbara Toy |
Welcome to Pauline Acalin as our new editor for the Sirius Astronomer, in appreciation of our latitude, request for comments on this year's RTMC.

May 2017 President's Message
Barbara Toy |
Looking for a new editor for the Sirius Astronomer, what's involved and significance of the newsletter, a sad farewell to long-time club member and outreacher Tom Drouet, and RTMC.

April 2017 President's Message
Barbara Toy |
Need for weed clearance at Anza, avoiding unfortunate interactions with the local wildlife, Steve Condrey and his family leaving California, need for a new Editor for the Sirius Astronomer, Messier Marathon.

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