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Free
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OCA Astrophysics SIG Meeting
Orange Coast College, Building 40, Astronomy House Merrimac Way, Costa Mesa, CA, United StatesThe monthly meeting of the Astrophysics Special Interest Group is at 7:00 PM every third Friday of the month at Orange Coast College, Building 40, Astronomy House. Please contact the […]
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Private Outreach – Cerro Villa Middle School, Villa Park
Cerro Villa Middle School 17852 Serrano Ave, Villa Park, CA, United StatesFree -
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Anza Star Party
On the Sky CA, United StatesThe new moon weekend for the monthly star party. The Anza site is open to members and their guests only. Join other members for viewing and imaging. Contact any board […]
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Public Outreach – Cerritos Library Astronomy Night
Cerritos Library 18025 Bloomfield Ave., Cerritos, United States -
Private Outreach – Robinson Ranch School
Robinson Ranch Elementary School 21400 Lindsey Drive, Trabuco Cnyon, United States -
Astroimagers Special Interest Group
Orange Coast College, Building 40, Astronomy House Merrimac Way, Costa Mesa, CA, United StatesMeeting of the Astroimaging Special Interest Group at Orange Coast College Astronomy House. Meeting is from 7pm to 10pm. Parking fees will apply and must be purchased online. Any questions […]
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Online Beginner’s Class
OnlineThis is a free and open to the public online Zoom event, to attend please click here at or after 7:10pm The 1st session of the Beginners Astronomy Class gives […]
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OCA Board Meeting
OnlineThe Board of Directors for the OCA will be having their meeting on March 9,2025 at 11:30am via Zoom. All current members are welcome, please notify the OCA secretary and […]
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Total Lunar Eclipse
On the Sky CA, United StatesTonight the moon will be eclipsed by the Earth's shadow. It will be viewable throughout North America. It will start just before 9PM and end just before 3AM on 03/14/2025.