NEW TIME – OCA Board Meeting

The regular meeting of the OCA Board has been moved to 11:00 a.m. in the conference room at The Urban Workshop 365 Clinton St A, Costa Mesa, CA 92626. There’s limited parking in the lot but plenty on the street. All members are welcome to attend, but please contact our Secretary, Alan Smallbone, in advance […]

AstroImagers Meeting

6:30:00 PM - 8:30:00 PM Monthly meeting of the AstroImagers group meets at: The Urban Workshop 365-A Clinton Street Costa Mesa, CA 92626 It is located on Clinton Street (off Red Hill), which is on the southwest corner of the Orange County Airport. (See map). When entering the lobby, turn right and go to the […]

OCA General Meeting – FEB 2019

Meetings are FREE and open to the public, and are held at Chapman University Agenda: Club Announcements Whats Up: See Announcement on Home Page. Main speaker: See announcement on Home Page break Library: Members can check out books from our extensive collection. Refreshments: will be available (coffee, donuts, soft drinks, etc.). About OCA General Meetings […]

OCA General Meeting – MAR 2019

Meetings are FREE and open to the public, and are held at Chapman University Agenda: Club Announcements Whats Up: See Announcement on Home Page. Main speaker: See announcement on Home Page break Library: Members can check out books from our extensive collection. Refreshments: will be available (coffee, donuts, soft drinks, etc.). About OCA General Meetings […]

OCA General Meeting – APR 2019

Meetings are FREE and open to the public, and are held at Chapman University Agenda: Club Announcements Whats Up: See Announcement on Home Page. Main speaker: See announcement on Home Page break Library: Members can check out books from our extensive collection. Refreshments: will be available (coffee, donuts, soft drinks, etc.). About OCA General Meetings […]

OCA General Meeting – MAY 2019

Meetings are FREE and open to the public, and are held at Chapman University Agenda: Club Announcements Whats Up: See Announcement on Home Page. Main speaker: See announcement on Home Page break Library: Members can check out books from our extensive collection. Refreshments: will be available (coffee, donuts, soft drinks, etc.). About OCA General Meetings […]

General Meeting – June 2019

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

Exoplanets: Finding Life in the Galaxy Join Dr. Zellem, a planetary astronomer at NASA’s Jet Propulsion Laboratory, as he discusses how scientists find and characterize exoplanets, planets outside of our Solar System, with the ultimate goal of finding extraterrestrial life. Robert Zellem

General Meeting – July 2019

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

From the big bang to the empty end - the universe from the point of view of modern cosmology The scientific view point on our Universe has gone through a major transformation in the last decades. In my talk, I will talk about the knows but also the major unknowns we have. My main focus […]

General Meeting – August 2019

Investigating the Mysteries of Exploding Stars Hubble Space Telescope image of supernova 1994D in galaxy NGC 4526. Supernovae are cosmic explosions where a single star can suddenly become as bright as a billion stars combined. Even though supernovae are crucial to the Universe in many ways, such as impacting the evolution of galaxies and producing […]

General Meeting – September 2019

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

News from the Universe The Virgo and two LIGO Gravitational Wave observatories are in observation mode. They detect more than one inspiral event per week, of Black Holes and Neutron Stars, and started making a strange picture of the collapsed-matter Universe. Why are there so many heavy Black Holes out there? How did they form […]