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Featured
This 5-week UC-certified course explores our local ecology, engages you in citizen science, and allows you to share your knowledge with others. The 40-hour course combines a science curriculum with guest lecturers, field trips, and project-based learning to explore the unique ecology and natural history of the Inner Coastal Range of Sonoma and Napa. IfContinue reading |
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1 event,
Photo by Marielle V Chua We are selling a variety of California native plants to the public every Friday from 12:00-3:00 pm to help local gardeners create and maintain drought tolerant and pollinator-friendly gardens and landscapes. Simply drop into our Native Plant Nursery. For questions, email our Native Plant Nursery Manager at [email protected]. No registrationContinue reading |
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Spring is upon us, and with that, familiar wildlife is returning to Sugarloaf. Join California Naturalist Erik Hanson anytime between 12:30-3:30 pm outside the Visitor Center to meet and learn about plants and animals and how they adapted for the winter months. Free; no RSVP required. Future Tabletop Nature Talks will occur approximately every twoContinue reading |
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Join us for a special evening at the observatory as we explore one of the most mesmerizing celestial events—a lunar eclipse! This Focus Night will feature an engaging presentation about the upcoming eclipse, including what causes it, what to look for, and how to view it safely and enjoyably.Please note: The actual lunar eclipse willContinue reading
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Join us for a special evening at the observatory as we explore one of the most mesmerizing celestial events—a lunar eclipse! This Focus Night will feature an engaging presentation about the upcoming eclipse, including what causes it, what to look for, and how to view it safely and enjoyably.Please note: The actual lunar eclipse willContinue reading |
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2 events,
Featured
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Featured
This 5-week UC-certified course explores our local ecology, engages you in citizen science, and allows you to share your knowledge with others. The 40-hour course combines a science curriculum with guest lecturers, field trips, and project-based learning to explore the unique ecology and natural history of the Inner Coastal Range of Sonoma and Napa. IfContinue reading
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The RFO is a place where individual volunteers make a difference: it’s a place where ideas come to life. The Observatory was built and is maintained by volunteers. All of the public events, private events, classes, and labs were conceived by and brought to fruition by volunteers. RFO’s volunteers work together, combining skills and talentsContinue reading |
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3 events,
Photo by Marielle V Chua We are selling a variety of California native plants to the public every Friday from 12:00-3:00 pm to help local gardeners create and maintain drought tolerant and pollinator-friendly gardens and landscapes. Simply drop into our Native Plant Nursery. For questions, email our Native Plant Nursery Manager at [email protected]. No registrationContinue reading
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Have you ever wondered what's really out there in the night sky? Wished you could zoom in on cosmic marvels? What if you had a handful of astronomers at your elbow, showing the way, answering your questions in plain language? That's a Focus Night at the Robert Ferguson Observatory! These are small groups so youContinue reading
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Have you ever wondered what's really out there in the night sky? Wished you could zoom in on cosmic marvels? What if you had a handful of astronomers at your elbow, showing the way, answering your questions in plain language? That's a Focus Night at the Robert Ferguson Observatory! These are small groups so youContinue reading |
7 events,
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1 event,
Featured
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Featured
This 5-week UC-certified course explores our local ecology, engages you in citizen science, and allows you to share your knowledge with others. The 40-hour course combines a science curriculum with guest lecturers, field trips, and project-based learning to explore the unique ecology and natural history of the Inner Coastal Range of Sonoma and Napa. IfContinue reading |
0 events,
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5 events,
Photo by Marielle V Chua We are selling a variety of California native plants to the public every Friday from 12:00-3:00 pm to help local gardeners create and maintain drought tolerant and pollinator-friendly gardens and landscapes. Simply drop into our Native Plant Nursery. For questions, email our Native Plant Nursery Manager at [email protected]. No registrationContinue reading
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If you are in grades 4-9 (but who's counting?) and interested in all things space, or know someone who is, join a virtual meeting and meet others with similar interests. Contact [email protected] for more details.
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If you are in grades 4-9 (but who's counting?) and interested in all things space, or know someone who is, join a virtual meeting and meet others with similar interests. Contact [email protected] for more details. |
5 events,
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Come and view our closest star and learn about sunspots, prominences, flares and more. We observe with both visible light and radio telescopes. Sign up for this free event at https://rfo.simpletix.com.
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Purchase tickets at rfo.simpletix.com.Presentations on astronomical topics are given in the classroom throughout the course of the evening. Starting at dusk, the Observatory’s three main telescopes are open for your viewing. Docents set up additional telescopes in front of the building. Friendly and knowledgeable docents are available to answer your questions. $15.00 per adult; $10.00Continue reading
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Purchase tickets at rfo.simpletix.com.Presentations on astronomical topics are given in the classroom throughout the course of the evening. Starting at dusk, the Observatory’s three main telescopes are open for your viewing. Docents set up additional telescopes in front of the building. Friendly and knowledgeable docents are available to answer your questions. $15.00 per adult; $10.00Continue reading |
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Care for a closer look? Join California Naturalist Erik Hanson anytime between 12:30→3:30pm outside the Visitor Center for a new perspective on everyday nature that is typically overlooked. Free; no RSVP required. Future Tabletop Nature Talks will occur approximately every two Sundays and highlight vernal pools, spiders, rocks and minerals, and more! |
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2 events,
Photo by Marielle V Chua We are selling a variety of California native plants to the public every Friday from 12:00-3:00 pm to help local gardeners create and maintain drought tolerant and pollinator-friendly gardens and landscapes. Simply drop into our Native Plant Nursery. For questions, email our Native Plant Nursery Manager at [email protected]. No registrationContinue reading |
3 events,
Featured
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Featured
Saturday Harvest Markets are back! 2026 Harvest Markets reopen March 21 and continue until December. Harvest Markets take place every Saturday, 9:00 am-1:00 pm. The Harvest Market is a great place to pick up produce, flowers, and eggs harvested from our 6.1 acre sustainable garden. We also sell local honey and olive oil. The marketContinue reading 
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1 event,
Photo by Marielle V Chua We are selling a variety of California native plants to the public every Friday from 12:00-3:00 pm to help local gardeners create and maintain drought tolerant and pollinator-friendly gardens and landscapes. Simply drop into our Native Plant Nursery. For questions, email our Native Plant Nursery Manager at [email protected]. No registrationContinue reading |
4 events,
Featured
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Featured
Saturday Harvest Markets are back! 2026 Harvest Markets reopen March 21 and continue until December. Harvest Markets take place every Saturday, 9:00 am-1:00 pm. The Harvest Market is a great place to pick up produce, flowers, and eggs harvested from our 6.1 acre sustainable garden. We also sell local honey and olive oil. The marketContinue reading
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See the universe through a telescope you built yourself!Join us for a hands-on, family-friendly workshop (recommended for 12 years and older) where you’ll learn the fundamentals of telescope design and optics—then build your very own working telescope to take home! Guided by our experienced instructors, participants will explore how lenses and mirrors gather and focus light,Continue reading
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See the universe through a telescope you built yourself!Join us for a hands-on, family-friendly workshop (recommended for 12 years and older) where you’ll learn the fundamentals of telescope design and optics—then build your very own working telescope to take home! Guided by our experienced instructors, participants will explore how lenses and mirrors gather and focus light,Continue reading |
3 events,
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They’re more than just puddles! Join California Naturalist Erik Hanson anytime between 12:30-3:30 pm outside the Visitor Center to learn about why vernal pools are important and who calls them home. Free; no RSVP required. Future Tabletop Nature Talks will occur approximately every two Sundays and highlight spiders, rocks and minerals, plant defenses and more! |
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4 events,
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If you are in grades 4-9 (but who's counting?) and interested in all things space, or know someone who is, join a virtual meeting and meet others with similar interests.Contact [email protected] for the zoom link.
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If you are in grades 4-9 (but who's counting?) and interested in all things space, or know someone who is, join a virtual meeting and meet others with similar interests.Contact [email protected] for the zoom link.
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Sips and Stars ~ an evening of fine wine and cosmic wonder.Join us for a magical night under the stars at the Robert Ferguson Observatory! Our Sips & Stars event blends the beauty of the night sky with the elegance of Sonoma County wine. Enjoy a curated tasting experience hosted by Landmark Vineyards, known forContinue reading
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Sips and Stars ~ an evening of fine wine and cosmic wonder.Join us for a magical night under the stars at the Robert Ferguson Observatory! Our Sips & Stars event blends the beauty of the night sky with the elegance of Sonoma County wine. Enjoy a curated tasting experience hosted by Landmark Vineyards, known forContinue reading |
6 events,
Featured
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Featured
Saturday Harvest Markets are back! 2026 Harvest Markets reopen March 21 and continue until December. Harvest Markets take place every Saturday, 9:00 am-1:00 pm. The Harvest Market is a great place to pick up produce, flowers, and eggs harvested from our 6.1 acre sustainable garden. We also sell local honey and olive oil. The marketContinue reading 
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