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Important Dates

General Meeting: May 13

Anza: May 7

Black Star: April 30

Upcoming Events

April 30 (Sat) at 6:00 PM : Private star party-Black Star Canyon

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

May 7 (Sat) at 6:00 PM : Explore the Stars

May 7 (Sat) at 6:00 PM : Private Star Party – Anza

May 10 (Tue) at 7:00 PM : Private meeting - AstroImagers SIG

May 13 (Fri) at 7:30 PM : OCA General Meeting

More events from the calendar

Join OCA Discussion Groups

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

Date: 05/13/2015

Speaker: Omer Blaes from UCSB

Subject: The Bizarre Variability Patterns of Black Hole Accretion Flows

"What's Up?": Geovanni Somoza president of Los Angeles Astronomical Society


The April 2016 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: April 27, 2016 3:08AM PDT

Saturday April 30th Black Star Canyon star party
Steve & Bonnie Short |
Looks like we will have a nice dark sky for the April BSC star party!!!

2016 OCA Messier Marathon
Steve & Bonnie Short |
Ready to spend all night to try and see all 110 Messier objects in one night? The Anza star party in March was cloudy but there will be other clear nights for seeing all the Messier objects.

CANCELLED-March 5th BSC star party
Steve & Bonnie Short |
The March 5th BSC star party had to be cancelled due to bad weather.

Saturday March 5th Black Star Canyon star party
Steve & Bonnie Short |
If the rain & clouds will hold up, we can hold a BSC star party this Saturday evening.

Feb 13th BSC star party Recap
Steve & Bonnie Short |
Clear night and we had 24 cars come out to the Valentine Weekend BSC star party.

Saturday Feb 13th Black Star Canyon star party
Steve & Bonnie Short |
Don't let the unlucky #13 scare you away from the February 13th BSC star party. The night before Valentine's should be a warm night with clear skies!!!

Mt. Wilson observatory trips
Steve & Bonnie Short |
Want to go to Mt. Wilson and view objects through the 60" or 100" telescopes?

Saturday Jan 2nd Black Star Canyon star party Recap
Steve & Bonnie Short |
We only had 4 scopes and 10 people making this the smallest BSC star party I can remember.

Saturday Jan 2nd Black Star Canyon star party
Steve & Bonnie Short |
Why not start the 2016 New Year off with a star party at Black Star Canyon!!! But do wear clothes that will keep you warm.

December 2015 Presidents Message
Steve & Bonnie Short |

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