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. The 3rd session of the Beginners Astronomy Class covers different methods of finding objects in the night sky.  Special topic is learning the constellations. For details, please visit here and download the sample information PDF […]

Online General Meeting – May 2022

Online

This is a free and open to the public online event. Join Zoom   Oumuamua: The nearest exoplanet?     When 'Oumuamua passed by Earth in October 2017, the only thing certain about it was that it was not from this Solar System. Because of its high velocity, it was the first confirmed interstellar object. The […]

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 OCA Board Meeting will be held on May 15th at 10:00am. The meeting is open to all members of the OCA, to attend contact Alan Smallbone for the meeting details.

Recurring

Astrophysics Special Interest Group

Heritage Museum of OC 3101 W Harvard St, Santa Ana, CA

The monthly meeting of the Astrophysics Special Interest Group at 7:30 at the Heritage Museum. Please contact the SIG chair for details and requirements. See the Contacts section of the website for details on contacting the group.