General Meeting – November 2024

Irvine Lecture Hall of the Chapman University 336 N Center St, Orange, CA, United States

This is a free and open to the public hybrid event, held both inperson and online. Due to the newly effective insurance requirements, we regret that we can not allow people under 18 on the Chapman Campus, they are welcome to attend online.  Join Zoom This meeting's speaker will present online from San Jose, CA. […]

Public Outreach: Noche de Las Estrellas

Norton Science and Language Center 230 S. Waterman Ave., San Bernardino, United States

This is an annual international outreach event that takes place throughout Latin America, and this year one of its organizers has invited the OCA to participate by bringing some telescopes to the local site in San Bernardino. The event begins at 5:00 P.M. on Saturday, November 9th (about half an hour before sunset). There will […]

Free
Event Series Open Spiral Bar

Open Spiral Bar

Online

This is a free and open to the public online event. Join Zoom   Come and socialize with your fellow astronomy enthusiasts face-to-face virtually! Bring your latest astrophotography, mini-presentation, questions or none and your own refreshments.

OCA Board Meeting

Online

The Board of Directors for the OCA will be having their meeting on Nov. 10, 2024 at 10:30am via Zoom. All current members are welcome, please notify the OCA secretary and a link will be sent out on the day of the meeting. Contact any board member with questions.

Event Series OCA Astrophysics SIG Meeting

OCA Astrophysics SIG Meeting

Orange Coast College, Building 40, Astronomy House Merrimac Way, Costa Mesa, CA, United States

The 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 ASIG chair for details at mark@ocastronomers.org .

Online Beginner’s Class

Online

This is a free and open to the public online event, to attend please register with zoom by clicking here at or after 7:10pm. The 4th session of the Beginners Astronomy Class covers the science behind the telescope. How do our eyes actually perceive objects we see in the telescope and what is the physics […]

General Meeting – December 2024

Irvine Lecture Hall of the Chapman University 336 N Center St, Orange, CA, United States

This is a free and open to the public hybrid event, held both inperson and online. Due to the newly effective insurance requirements, we regret that we can not allow people under 18 on the Chapman Campus, they are welcome to attend online.  Join Zoom This meeting's speaker will present online from Michigan.   NASA's […]

Event Series Open Spiral Bar

Open Spiral Bar

Online

This is a free and open to the public online event. Join Zoom   Come and socialize with your fellow astronomy enthusiasts face-to-face virtually! Bring your latest astrophotography, mini-presentation, questions or none and your own refreshments.