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Events Listing

Visitors near the front entrance enjoying bubbles on a sunny day during our annual Bubblefest.

Today

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Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Family Nature Adventures

Buy Tickets Saturday, June 10 10 AM-11:30 AM Families with Children 3+ $25 Adults, $15 Youth 3+ Join us every 2nd Saturday for Nature Adventures where we’ll take a deep […]

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Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Make & Sip

Buy Tickets Thursday, June 15 6 pm - 7:30 pm $45, Adults 21+ Bring your inner maker out for an evening of social tinkering. On this night we will teach […]

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Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Annual Father’s Day Slumber with the Stars

Buy Tickets June 17 @ 6pm - June 18 @ 9am $100 Admission, $95 Members Open to families with children ages 4+. Adults unaccompanied by children are not permitted. Spend […]

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Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Space Spray Paint & Sip

Buy Tickets Thursday, June 22 6 pm - 7:30 pm $45, Adults 21+ Join us for a social painting session with friends in a beautiful outdoor setting in the redwoods. […]

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Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets for 5pm Buy Tickets for 6:30pm Saturday, June 24 5pm Easy Hike, 6:30pm Moderate Hike Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** […]

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Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Plant & Sip

Buy Tickets Thursday. June 29 6 pm-7:30 pm Bring your inner maker out for an evening of social tinkering. On this night we will teach you how to create decorative […]

Hike & Sip

Buy Tickets for 5:30pm Buy Tickets for 7pm Friday, June 30 5:30pm Easy Hike, 7pm Moderate Hike Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** […]

Sunset Science: Asteroid Day

Buy Tickets Friday, June 30 6-9 p.m. All ages, family friendly. Adults $15, Kids $5 and Members Free. Have you ever wondered about the difference between an asteroid and a […]

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Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets for 5:30pm Buy Tickets for 7pm Saturday, July 1 5:30pm Easy Hike, 7pm Moderate Hike Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

First Friday: Lifecycle of the Stars  

Buy Tickets Friday, July 7 6-10 p.m. $15 adults, $10 kids/seniors, and $5 members.  All ages, family-friendly   Join us for an evening of learning about the stellar processes that have […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Make & Sip

Buy Tickets Thursday, July 13 6 pm-7:30 pm $45, Adults 21+ Bring your inner maker out for an evening of social tinkering. On this night we will teach you how […]

Hike & Sip

Buy Tickets Friday, July 14 5:00pm-8:00pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Easy interpretive hike with moderate terrain (75 minutes) (Includes 2 […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets Saturday, July 15 5:30pm-8:30pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Easy interpretive hike with moderate terrain (75 minutes) (Includes […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Acrylic Space Paint & Sip

Buy Tickets Thursday. July 20 6 pm-7:30 pm Join us for a transitional instructor led space themed acrylic Sip & Paint party for adults. No skill required. Great experience for […]

Hike & Sip

Buy Tickets Friday, July 21 5:00pm-8:00pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Easy interpretive hike with moderate terrain (75 minutes) (Includes 2 […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

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Bubblefest Weekend

Buy Saturday Tickets Buy Sunday Tickets Saturday, July 22 - Sunday, July 23 10 a.m. - 5 p.m.   $20 adults (12+), $15 kids (2-12), $10 seniors and Free for […]

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Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

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Bubblefest Weekend

Buy Saturday Tickets Buy Sunday Tickets Saturday, July 22 - Sunday, July 23 10 a.m. - 5 p.m.   $20 adults (12+), $15 kids (2-12), $10 seniors and Free for […]

Sunset Science: Starlight Astronomy 

Buy Tickets Friday, July 28 6-9 p.m.  All ages, family-friendly  $15 Adult, $5 Youth, Members Free  What does a star’s color tell us about the star? What do we learn […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets for 5:30pm Buy Tickets for 7pm Saturday, July 29 5:30pm Easy Hike, 7pm Moderate Hike Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

First Friday: Colorful Constellations  

Buy Tickets Friday, August 4  6-10 p.m.  All ages, Family-friendly  $15 Adults, $10 Kids/Seniors, $5 Members  People have long used stars as tools for navigation and the grouping of stars […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Perseid Meteor Shower

Buy Tickets 11:45 p.m. - 3 a.m.  $15 Adults (12+), $7 Kids, Free Members  Join Chabot astronomers for a watch party of one of most abundant meteor showers of the […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

First Glance: Member Telescope Viewing

A Membership Exclusive: RSVP Required The East Bay Astronomical Society invites members to a special, private telescope viewing. Unlike our regular viewing on Friday and Saturday evenings, EAS personalizes the […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets for 5pm Buy Tickets for 6:30pm Saturday, August 26 5pm Easy Hike, 6:30pm Moderate Hike Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** […]

Nocturnal: Space, The Final Frontier 

Saturday, August 26 6-10 p.m.   21+ and older  $20 member and non-member  Grab some Romulan Ale and bring your inner Trekker to a night celebrating all the things that we […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

First Fridays: Stellar Ending, Death of Stars  

Buy Tickets Friday, Sept 1 All ages, Family-friendly   $15 Adults, $10 Kids/Seniors, $5 Members  6-10 p.m.  Just like people, every star has a distinct life cycle, but not every […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets for 5pm Buy Tickets for 6:30pm Saturday, September 2 5pm Easy Hike, 6:30pm Moderate Hike Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets Friday, September 8 6:30pm-9:30pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Moderate interpretive hike with some hills (90-120 minutes) (Includes […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets Saturday, September 9 6:30pm-9:30pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Moderate interpretive hike with some hills (90-120 minutes) (Includes […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets Friday, September 15 5:00pm-8:30pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Easy interpretive hike with moderate terrain (75 minutes) (Includes […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets Saturday, September 16 5:00pm-8:00pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Easy interpretive hike with moderate terrain (75 minutes) (Includes […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets for 5pm Buy Tickets for 6:30pm Friday, September 22 5pm Easy Hike, 6:30pm Moderate Hike Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Hike & Sip

Buy Tickets for 5pm Buy Tickets for 6:30pm Saturday, September 23 5pm Easy Hike, 6:30pm Moderate Hike Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Full Moon Hike & Sip

Buy Tickets Friday, September 29 6:30-9:30pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Moderate interpretive hike with some hills (90-120 minutes) (Includes […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Telescope Viewing 3/24: Cancelled Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Halloween Full Moon Hike & Sip

  Buy Tickets for 5pm Saturday, October 28 5:00-8:00pm Adults $45, 21+ **Advanced reservations are encouraged as our hikes sell out quickly** Hike Version: Moderate interpretive hike with some hills […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

First Glance: Member Telescope Viewing

A Membership Exclusive: RSVP Required The East Bay Astronomical Society invites members to a special, private telescope viewing. Unlike our regular viewing on Friday and Saturday evenings, EAS personalizes the […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]

Recurring

Free Telescope Viewings

Every Friday and Saturday Night, weather permitting 7:30-10:30 p.m.  Chabot Observatory Deck Join Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance […]