Admission is FREE, but please register below. Bring a flashlight; and, just in case, wear warm clothes in layers. If bad weather threatens, call 415-455-5370 after 4pm. Hang around afterward for a laser-guided tour of the night sky AND for celestial viewing through the big telescopes of the San Francisco Amateur Astronomers (SFAA). This event is co-produced by Wonderfest, the Mount Tam Astronomy Program, Mt. Tamalpais State Park, Friends of Mt. Tam, and the SFAA.
Dr. Xiaosheng Huang