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Public Star Party

Saturday, May 18 @ 9:00 pm - 11:30 pm

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Join us for our traditional public star party with presentations in our classroom and our three telescopes open for viewing, in addition to smaller scopes set up outside!

You MUST have a ticket to attend this event. Attendance is limited and, while remaining tickets will be sold at the door, they will be subject to availability. Please note that tickets are non-refundable and cannot be used for future events. Overcast skies do not cancel the event. In the event of poor visibility, guests are treated to an educational experience, learning the differences between telescopes and how they work, and presentations will be given throughout the evening. Unless you are notified otherwise by email, the event is not cancelled. Also, you must purchase a Sugarloaf Ridge State Park parking pass to attend this event.

Cost is $15.00 per adult, $10 for students and seniors 62+, $5 for youth 6-12, and children 5 and under are FREE. (Note: while children tickets are free, they are still required.)

(Plus State Park Parking Fee $10.00 per vehicle, or $8.00 for seniors and students)

Dogs are not allowed inside the observatory or at public star parties.

We are pleased to be a part of the nationwide Museums for All initiative, which provides access to museums and related venues to low-income individuals and families. EBT card holders can present their EBT cards at check-in to receive up to 4 free passes to a public star party. Parking at Sugarloaf Ridge State Park will also be waived to EBT card holders for the duration of the public star party. Please use the parking pass option for EBT-card holders at check-out.

When to arrive: Visitors are welcome to arrive at any time within the three hour period of the star party. We suggest families with children arrive close to the start time, and others arrive an hour or so later to minimize wait times at the telescopes. It is recommended to arrive no later than two hours after the start time.

RFO is operated by the Valley of the Moon Observatory Association, a 501(3)(c) nonprofit organization, and all of the proceeds will go towards maintaining this beloved Sonoma county institution.

If there are additional questions, please email info@rfo.org. Thank you, and we look forward to seeing you at future events.


Saturday, May 18
9:00 pm - 11:30 pm
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Robert Ferguson Observatory
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Stephanie Derammelaere


Robert Ferguson Observatory
2605 Adobe Canyon Rd
Kenwood, CA 95452 United States
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