Events
Calendar of Events
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Sunday
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The end of a star can take many forms, most of them controlled by the mass of a star when fusion at the star’s core can no longer support that mass. In this talk we will explore how stars begin their life cycle and how the difference in their masses determines how they will end.Continue reading |
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
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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. |
6 events,
Featured
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Featured
Saturday Harvest Markets are back! 2025 Harvest Markets reopen April 19, 2025 and continue until December, 2025. 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.Continue reading
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1 event,
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1 event,
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1 event,
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Interested in volunteering for the Robert Ferguson Observatory? Fill out a volunteer application at https://rfo.org/index.php/volunteer/. We will contact you with more details. |
0 events,
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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 |
3 events,
Featured
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Featured
Saturday Harvest Markets are back! 2025 Harvest Markets reopen April 19, 2025 and continue until December, 2025. 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.Continue reading
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Thank you for supporting the observatory! Please join us for an informal open house. Come for a tour, meet docents, and check out our telescopes! And of course, enjoy some hot spiced cider or hard cider, sweet treats, and some fun harvest/autumn activities! Drive past the Sugarloaf Ridge park entry kiosk and park in theContinue reading |
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Resilient Landscaping: Gardening in the Defensible Space Zone Four Part Weekly Series. These workshops will occur on Tuesday evenings on October 7th, 14th, 21st & 28th from 5:30-6:30pm. Registrants will learn how to create and maintain a firewise, sustainable garden that supports biodiversity while meeting County code requirements. In addition, we will be advising onContinue reading
Free
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1 event,
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Join us for Movie Nights in the Garden—a relaxed evening under the stars with great company and a beautiful film! Bring a camping chair and warm layers (it can get chilly after sunset). Check our Facebook or Instagram to find out which films are being shown when. Suggested donation: $5-$10 |
1 event,
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Interested in volunteering for the Robert Ferguson Observatory? Fill out a volunteer application at https://rfo.org/index.php/volunteer/. We will contact you with more details. |
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 |
3 events,
Featured
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Featured
Saturday Harvest Markets are back! 2025 Harvest Markets reopen April 19, 2025 and continue until December, 2025. 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.Continue 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. $17.00 per adult; $12.00 forContinue reading |
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2 events,
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Resilient Landscaping: Gardening in the Defensible Space Zone Four Part Weekly Series. These workshops will occur on Tuesday evenings on October 7th, 14th, 21st & 28th from 5:30-6:30pm. Registrants will learn how to create and maintain a firewise, sustainable garden that supports biodiversity while meeting County code requirements. In addition, we will be advising onContinue reading
Free
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The ideal weather and clear skies of October provide a perfect chance to enjoy these fast bright meteors. This is considered one of the most beautiful showers of the year, a spectacular show framed by some of the brightest stars in the sky. But what causes this shower and why does it occur at thisContinue reading |
1 event,
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Interested in volunteering for the Robert Ferguson Observatory? Fill out a volunteer application at https://rfo.org/index.php/volunteer/. We will contact you with more details. |
0 events,
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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 |
6 events,
Featured
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Featured
Saturday Harvest Markets are back! 2025 Harvest Markets reopen April 19, 2025 and continue until December, 2025. 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.Continue reading
Featured
-
Featured
Saturday Harvest Markets are back! 2025 Harvest Markets reopen April 19, 2025 and continue until December, 2025. 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.Continue reading
Featured
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Featured
Sonoma Ecology Center’s Annual Fall Native Plant Sale is happening Saturday, October 25, 9:00 am–1:00 pm at the Sonoma Native Plant Nursery, located at Sonoma Garden Park, 19996 Seventh Street East, Sonoma. Fall is the perfect time to plant—cool soil, gentle rains, and happy roots that will thrive through summer. Choose from more than 50Continue reading
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2 events,
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0 events,
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2 events,
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Resilient Landscaping: Gardening in the Defensible Space Zone Four Part Weekly Series. These workshops will occur on Tuesday evenings on October 7th, 14th, 21st & 28th from 5:30-6:30pm. Registrants will learn how to create and maintain a firewise, sustainable garden that supports biodiversity while meeting County code requirements. In addition, we will be advising onContinue reading
Free
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Resilient Landscaping: Gardening in the Defensible Space Zone Four Part Weekly Series. These workshops will occur on Tuesday evenings on October 7th, 14th, 21st & 28th from 5:30-6:30pm. Registrants will learn how to create and maintain a firewise, sustainable garden that supports biodiversity while meeting County code requirements. In addition, we will be advising onContinue reading
Free
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1 event,
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Interested in volunteering for the Robert Ferguson Observatory? Fill out a volunteer application at https://rfo.org/index.php/volunteer/. We will contact you with more details. |
1 event,
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Want to have a fun and educational, yet exclusive star gazing experience? Our What’s Up events are just the ticket! Our public star parties can get very crowded. We keep the attendance limited for our What’s Up program so visitors can get more time at the telescopes, more time to ask questions, and overall haveContinue reading |
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
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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 registration needed! |
4 events,
Featured
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Featured
Saturday Harvest Markets are back! 2025 Harvest Markets reopen April 19, 2025 and continue until December, 2025. 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.Continue reading
Featured
-
Featured
Saturday Harvest Markets are back! 2025 Harvest Markets reopen April 19, 2025 and continue until December, 2025. 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.Continue reading
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New to our renovated trail? New to SOT? Join us for a free, moderately paced hike guided by former SOT leader Joanna Kemper. We’ll linger at the top to enjoy sweeping views over the valley, bay and down to San Francisco. Meet us at the main trailhead kiosk. Rain cancels the guide, but makes theContinue reading
Free
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2 events,
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Join us for this special family day program, created specifically for families with children 12 and under. We will be doing several special activities that will teach children about our solar system and our nearest star, the sun! Advanced tickets are required. Purchase tickets at rfo.simpletix.com. There must be at least one adult chaperone perContinue reading |
Full Moon Hike (Vista)
Full Moon Hike (Bald Mtn)
Family Hike