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Important Dates

General Meeting: April 10

Anza: April 18

Black Star: April 11

Upcoming Events

April 3 (Fri) at 7:30 PM : Beginners Astronomy Class

April 10 (Fri) at 7:30 PM : OCA General Meeting

April 11 (Sat) at 6:00 PM : Private star party-Black Star Canyon

April 14 (Tue) at 7:00 PM : Private meeting - AstroImagers SIG

April 14 (Tue) at 8:30 PM : Private Outreach - Laguna Woods

More events from the calendar

Subscribe to Discussion Groups

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

Date: 04/10/2015

Speaker: Dr. Brendan Bowler from Caltech

Subject: Imaging Extrasolar Planets

"What's Up?": Chris Butler


The March 2015 issue of the Sirius Astronomer is now available to members (log in required).

Back issues are available to all without a log in.

LAST UPDATE: March 16, 2015 2:26AM PDT

Saturday March 14th BSC star party Recap
Steve & Bonnie Short |
Mighty warm March star party brought out a lot of people.

2015 OCA Messier Marathon
Steve & Bonnie Short |
Ready to spend all night to try and see all 110 Messier objects in one night?

Saturday March 14th Black Star Canyon star party
Steve & Bonnie Short |
Looks like we will have another great star party at Black Star Canyon!

Saturday Feb 14th BSC star party Recap
Steve & Bonnie Short |
The Black Star Canyon Valentine's evening star party was a big success. We had 24 cars come out and about 48 people.

Saturday February 14th Black Star Canyon star party
Steve & Bonnie Short |
If you can get away on Valentine's Day, come on out to Black Star Canyon. With daytime temperatures in the 80's, this should be a warm winter star party!

Mt. Wilson Trips
Steve & Bonnie Short |
The OCA is once again scheduling member trips to the Mt. Wilson telescopes. First trip to the 60" scope will be 10/03/15.

January 24th BSC star party Recap
Steve & Bonnie Short |

Saturday January 24th Black Star Canyon star party
Steve & Bonnie Short |
Start the 2015 New Year off right by attending a BSC star party. We should have clear skies!

CANCELLED: Saturday December 13th BSC star party
Steve & Bonnie Short |
Star party is cancelled due to bad weather and muddy conditions.

Saturday December 13th Black Star Canyon star party
Steve & Bonnie Short |
Lets hope the rain and clouds pass us by this Saturday so we can hold the BSC star party!

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