-
-
-
Online General Meeting – September 2022
OnlineThis is a free and open to the public online event. Join Zoom Cosmic rays, antimatter, dark matter: connecting the dots In August 1912, Austrian physicist Victor Hess made a discovery that opened a new window to the most energetic phenomena happening in the universe: he had discovered cosmic rays. Cosmic […]
-
-
Open Spiral Bar
OnlineThis 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
OnlineThe OCA Board meeting will happen on September 11, at 10:30am via Zoom. All current members are welcome to attend the meeting, please contact Alan Smallbone so that the meeting information can be sent to you.
-
Astrophysics Special Interest Group
Heritage Museum of OC 3101 W Harvard St, Santa Ana, CA, United StatesThe 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.
-
-
-
-
-
Draconids Meteor Shower
This is the one meteor shower of the year that is best viewed in the early evening hours. A minor meteor shower that runs Oct. 6-10, it produces about 10 shooting stars an hour. The first-quarter moon will blot out all but the brightest meteors from this shower, created by comet 21P Giacobini-Zinner.