General Meeting – March 2025

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

 Join Zoom This meeting's speaker will present inperson.   Mars Helicopter Telecom   The highly successful Ingenuity - Mars Helicopter - technology demonstration came to an end in January 2024 after 72 flights over 1000 sols (1.5 Mars years) exploring Mars.  The author led the telecommunications team for Ingenuity from conception through flight operations and […]

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 .

Anza Star Party – Messier Marathon

On the Sky CA, United States

The 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 member if you have any questions. This night is also recommended if you want to do a Messier Marathon.

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 2nd session of the Beginners Astronomy Class covers the different types of equipment used to observe the night sky, including telescopes, mounts, eyepieces, filters, and advantages and disadvantages of different […]

General Meeting – April 2025

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

 Join Zoom This meeting's speaker will present inperson.   NASA’s Cold Atom Lab:   Quantum Science   and Technology Maturation   on the International Space Station   NASA’s Cold Atom Lab (CAL) launched to the International Space Station (ISS) in May 2018, and has been operating since that time as the world’s first and only […]

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 .

Anza Star Party

On the Sky CA, United States

The 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 member if you have any questions.