COVID-19 Update

Based on direction from Sonoma County, RFO is requiring guests to wear face masks at all events, regardless of their vaccination status.  And, of course, if you are not feeling well or have a fever, please stay home. Thank you!

RFO Events and Activities

The Robert Ferguson Observatory (RFO) is open to the public at least once a month, usually on a Saturday near the time of the New Moon. Friendly and knowledgeable docents are available to answer your questions. Select an event below for more details, or visit our full Calendar.

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Select an event above for more details, or visit our full Calendar.