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 […]
Event: Northwood High School<br> Date: Monday, 1/13/2020<br> Time: Viewing at 7:00 PM, Sunset at 5:03 PM<br> <br> Place: Northwood High School<br> Address: 4515 Portola Pkwy; Irvine<br> Location: 33°44'04"N, 117°44'57"W<br> <br> Directions: Merge onto CA-91 E/Riverside Fwy toward Riverside; go 1.1 mi. Take exit 40 for California 241 South Toll toward Irvine; go 1.0 mi. Continue […]
Event: Heritage STEAM Elementary<br> Date: Tuesday, 1/14/2020<br> Time: Viewing at 7:00 PM, Sunset at 5:04 PM<br> <br> Place: Heritage STEAM Elementary<br> Address: 15400 Lansdowne Rd; Tustin<br> Location: 33°43'05"N, 117°49'45"W<br> <br> Directions: Take CA-55 South towards Costa Mesa, 4 mi. Take exit 9 for Edinger Ave. Use Right two lanes to turn onto E Edinger Ave, […]
Event: Aliso Viejo Middle School Date: Wednesday, 1/15/2020 Viewing at 7:00 PM, Sunset at 5:05 PM Place: Aliso Viejo Middle School Address: 111 Park Ave; Aliso Viejo Location: 33°34'49"N, 117°42'45"W Directions: Take I-5 South towards San Diego (if taking 405 South, continue to merge onto I-5 South). Take exit 91 towards El Toro Rd. Continue […]
Event: Barbara Benson Elementary School Date: Thursday, 1/16/2020 Time: Viewing at 7:00 PM, Sunset at 5:06 PM Place: Barbara Benson Elementary School Address: 12712 Elizabeth Way; Tustin, 92780 Location: 33°45'05"N, 117°48'15"W Directions: Take CA-55 North from 405 or 5. Take exit 55 for Irvine Blvd towards 4th St. Use the Right two lanes to turn […]
Event: Oxford Prep Academy Date: Friday, 1/17/2020 Viewing at 7:00 PM, Sunset at 5:07 PM Place: Oxford Prep Academy Address: 22882 Loumont Dr; Lake Forest Location: 33°37'43"N, 117°42'03"W Directions: Take CA-55 South towards Costa Mesa. Take the exit for I-5 South towards San Diego; merge onto I-5 South, 8 mi. Use the Right two lanes […]
