Event: Adams Elementary School Date: Wednesday, 12/18/2019 Viewing at 7:00 PM, Sunset at 4:46 PM Place: Adams Elementary School Address: 2130 S Raitt St; Santa Ana Location: 33°43'04"N, 117°53'48"W Directions: Take CA-55 South towards Costa Mesa. Take Exit 8A-8B for Dyer Road East towards Dyer Road West. Turn Right onto S Grand Ave, 0.3mi. Turn […]
Our Astrophysics group meets to discuss and learn about how the universe works as a seminar group that bases its discussions on topics of interest introduced by the participants and the videos that are shown during the meetings on different aspects of astrophysics. The meetings are held in the classroom at the Heritage […]
Monthly Star Party in the OC Parks Open space (Location may vary), open to OCA Members and their guests only. NOTE: The actual time the gate opens may be different from what is shown above. The Orange County star parties generally begin with the opening of the gate about 30 minutes before sundown and close […]
Tonight is the meeting of the AstroImagers Special Interest Group (AISIG). The meeting will start at 6:30pm and ends at 9pm at the Urban Workshop. This meeting is open to all members of the OCA. We have members of all skill levels and this is the place to ask questions, learn and meet other members […]
This is the "How to Use Your Telescope" session of the Beginners Astronomy Class. If you have a telescope and would like some help learning to set it up and use it, bring it along to this class. Or attend to just learn and look through a telescope. The Beginners Astronomy Class is held at […]
Music of the Spheres: Gravitational Waves from Black Holes The Nobel prize in 2016 was awarded for the detection of gravitational waves by the LIGO interferometer. So faint are these ripples that the only events powerful enough to produce detectable signals are the collisions of black holes and neutron stars, some forty times the mass […]
