In an article on the sfgate.com website, David Perlman, Science Editor for the San Francisco Chronicle describes how ‘Astronomy Day’ was started by Douglas Berger nearly 30 years ago. It took a while to catch on, but now it is an international event.
There are regular opportunities for astronomical viewing that are open to the public and FREE. Of course, Fremont Peak is at the top of my list, but there are literally dozens of astronomy clubs around the San Francisco Bay Area that have regular public viewings, simply loaded with eager amateurs who want you to look through their telescopes. Check out the AANC (Astronomical Association of Northern California) Resource Guide page for a list of astronomy clubs, planetaria, and observatories.