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Mount Wilson Observatory @mtwilsonobs.bsky.social · 22/09/2026

Only a few Saturdays remain to see Nocturnal Landscapes From the Arid West at Mount Wilson. See Russell Crotty’s work inspired by the night sky & landscapes of the American West inside the historic 100-inch telescope dome. Saturdays 1–5 PM | Through Oct 17 www.mtwilson.edu/events/arts-crotty2026

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 22/09/2026

Our final concert of the season! Hear Mahler & Brahms in the historic 100-inch telescope dome - your last chance this year to hear our beautiful donated piano in this remarkable space. Oct 4 | 3PM & 5PM 🎟️ www.mtwilson.edu/events/concert100426

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 22/09/2026

More than a century separates these views of Mount Wilson’s 100-inch telescope dome - but from this angle, remarkably little has changed. Today, visitors can still follow the same path to the dome. Come see it for yourself!

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 16/09/2026

Only 2 chances left this season! Go behind the scenes with Mount Wilson’s 60- & 100-inch telescopes: explore their mechanical systems, see the motion controls in action & visit areas normally off-limits to the public. Tix available for Sep 26 & Oct 24 🎟️ www.mtwilson.edu/engineering-tour

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 08/09/2026

This Saturday: Solaris on the mountain! Join us Sept. 12 for Tarkovsky’s haunting sci-fi classic Solaris (1972). Come early, grab lunch at the Cosmic Café, explore the Observatory, then settle in for a movie on the mountain. 🎟️ www.mtwilson.edu/events/movie091226

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 31/08/2026

This Sunday, Sept. 6, the Webern String Quartet performs Todd Mason’s The Phoenix and Beethoven’s String Quartet No. 15 beneath the historic 100-inch telescope. Join us for the second-to-last concert of the season in this extraordinary space! 🎟️ www.mtwilson.edu/events/concert0906256

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 31/08/2026

🔭 FREE Star Party this Friday, Sept. 4! Join Mount Wilson & @LAAstroSociety from sunset–1AM for a night of stargazing. Saturn after 9PM, with Andromeda, globular clusters & the Ring Nebula also in view if skies are clear. No RSVP required! More info: www.mtwilson.edu/events/starparty090426

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 31/08/2026

Just two months left in our 2026 public event season! September brings stargazing, live music in the 100-inch dome, Solaris, Talks & Telescopes, behind-the-scenes Engineering Tours, art & more. Come spend a day (or night!) on the mountain. mtwilson.edu/events

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 17/08/2026

This Saturday, experience Talks & Telescopes at Mount Wilson! Artist Lita Albuquerque explores art, astronomy, and our place in the universe - then spend the night observing through the legendary 60-inch & 100-inch telescopes. Ideas, conversation, and the cosmos. 🎟️ mtwilson.edu/events/lecture082226/

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 17/08/2026

Within Sound 2 | Aug. 29 & 30: You don’t just listen to Michael Brewster’s acoustic sculptures—you walk through them. Move a few feet and the sound changes. Keep moving and discover something new. 🎟️ mtwilson.edu/events/withinsound2

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 12/08/2026

Spend an evening under the stars at Mount Wilson! Join us August 22 for Talks & Telescopes with acclaimed artist Lita Albuquerque, followed by dinner and hours of observing through our historic 60-inch and 100-inch telescopes. 🎟️ mtwilson.edu/events/lecture082226

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 12/08/2026

This weekend’s Matinee on the Mountain is sold out! But our next movie day is just around the corner. Join us September 12 for Andrei Tarkovsky’s sci-fi classic Solaris. Come early to explore, then enjoy the film at 3 PM. 🎟️ www.mtwilson.edu/events/movie091226

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/08/2026

Missed a Talks & Telescopes lecture? Catch up anytime with talks on astronomy, history, art & more from speakers who’ve joined us on the mountain. Then come experience a future talk + observing through our legendary telescopes! Watch: mtwilson.edu/talksyoutube

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/08/2026

Astronomy and art both begin with careful observation. Discover that connection in Russell Crotty: Nocturnal Landscapes From the Arid West, filling the historic 100-inch Telescope dome at Mount Wilson. Saturdays, 1–5 PM, through Oct 17. mtwilson.edu/events/arts-crotty2026

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/08/2026

FREE Star Party! Fri Aug 7 | Sunset–1AM Join Mount Wilson Observatory & LAAS for a night under the stars! Explore galaxies, clusters, nebulae & Saturn & maybe spot an early Perseid meteor. No reservations required. More info: mtwilson.edu/events/starparty080726

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/08/2026

Some experiences simply couldn’t happen anywhere else. This August, discover art, music, historic engineering, unforgettable observing, and family adventures - all at Mount Wilson Observatory. Join us on the mountain! 🎟️ mtwilson.edu/events

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 22/07/2026

Astronomy and art begin with careful observation. Discover Russell Crotty: Nocturnal Landscapes From the Arid West inside Mount Wilson Observatory's historic 100-inch Telescope dome. Open Saturdays, 1–5 PM, through Oct. 17. Learn more: mtwilson.edu/events/arts-crotty2026

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 13/07/2026

✨ Observe through Mount Wilson's legendary 60-inch & 100-inch telescopes on Saturday, July 25! Enjoy an astronomy talk, picnic or food truck dinner, then hours under the stars. One unforgettable evening at one of astronomy's most historic observatories. 🎟️ mtwilson.edu/events/lecture072526

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 13/07/2026

Escape the heat. Spend Saturday on the mountain! Enjoy cooler temperatures, explore the historic grounds, visit the Cosmic Café, then experience The Right Stuff in our historic auditorium. More than a movie—it's a mountain getaway. 🎟️ mtwilson.edu/events/movie071826

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 06/07/2026

Discover Mount Wilson Observatory with one of our expert volunteer docents! Weekend walking tours at 11:30 AM & 1 PM take you inside our historic telescopes and the discoveries that changed astronomy. Tickets available day-of at the Cosmic Café. Learn more: mtwilson.edu/weekend-docent-tours

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 30/06/2026

There's something happening every weekend in July at Mount Wilson Observatory! Concerts, star parties, movies, telescope viewing, engineering tours, docent tours, the Cosmic Café, an art exhibition, & more. Plan your visit: mtwilson.edu

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 17/06/2026

Gravitational waves, mountain sunsets, and observing through two historic giant telescopes! Join us this Saturday for Talks & Telescopes with Gabriel Vajente of LIGO, followed by viewing through both the 60-inch and 100-inch telescopes. 🎟️ mtwilson.edu/events/lecture062026

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 17/06/2026

Tickets for August & September Public Ticket Nights are now available! Experience the night sky through Mount Wilson Observatory's historic 60-inch and 100-inch telescopes. These events sell out quickly, so don't wait. 🎟️ mtwilson.edu/public-ticket-nights/

mtwilson.edu

Public Ticket Nights - Mount Wilson Observatory

Public Ticket Nights at Mount Wilson Observatory The astronomical seeing on Mount Wilson is often exceptional. Don’t miss this opportunity to come up by yourself or with a few friends or family to exp...

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 10/06/2026

A silent film about the cosmos. A live score with voice, woodwinds, synth, & organ. Yes, it's every bit as enchanting as it sounds. Join us for Matinees on the Mountain at Mount Wilson Observatory as we present Our Heavenly Bodies (1925). Saturday, June 13 • 3 PM 🎟️ mtwilson.edu/events/movie061326/

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 10/06/2026

June 20: Spend a summer evening atop Mount Wilson! Enjoy an astronomy talk, dinner from the food truck (or bring a picnic), and observing through both the 60-inch and 100-inch telescopes. Feel the ripple effects of a great night out! 🎟️ mtwilson.edu/events/lecture062026

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Talks & Telescopes - June 20: Gabriel Vajente - Mount Wilson Observatory

June 20, 2026 @ 5:30 pm - 11:45 pm - Gravitational Waves: Ten Years of Exploring the Dark Side of the Universe Gabriel Vajente, Deputy Head of System Science and Engineering, LIGO Laboratory at Caltec...

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 08/06/2026

FREE Star Party! Fri, June 12 | Sunset–1 AM Join Mount Wilson Observatory and the Los Angeles Astronomical Society for a free evening under the stars. See Jupiter, Venus, star clusters, galaxies, and nebulae through telescopes provided by LAAS members. Info: mtwilson.edu/events/starparty061226

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 01/06/2026

There are many ways to explore Mount Wilson Observatory! Join a weekend public tour, book a private tour, take an Engineering Tour, or enjoy a self-guided visit. Discover the telescopes, history, and science that changed our understanding of the universe. Learn more: mtwilson.edu/tours

mtwilson.edu

Tours - Mount Wilson Observatory

Tours of Mount Wilson Observatory Step into a place where scientific history and stunning mountain views come together. Whether you join a docent-led walking tour, book a private group visit, or explo...

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 01/06/2026

We recently welcomed a group from Friends in Deed to Mount Wilson Observatory for an evening under the stars. Guests enjoyed views through our historic telescopes and a chance to experience the night sky from one of Southern California’s most significant scientific landmarks. Thanks for visiting! ✨🔭

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 20/05/2026

The Cosmic Café will be OPEN all Memorial Day weekend (May 23–25), 10 AM–5 PM! Public tours: Sat & Mon: 11:30 AM & 1 PM Sun: 11:30 AM only

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 20/05/2026

Music returns to the 100-inch dome this Sunday, May 24, for the opening concert of Mount Wilson Observatory’s 2026 season! Mendelssohn & Fauré performed beneath the great telescope at 3 & 5 PM. Tickets going fast: mtwilson.edu/events/concert052426

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 11/05/2026

FREE Star Party: Fri, May 15 ✨ Sunset–1 AM at Mount Wilson Join LAAS for a night under the stars: Jupiter & Venus, plus a possible SpaceX launch No tickets or RSVP ℹ️ www.mtwilson.edu/events/starparty051526/

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/05/2026

Talks & Telescopes — May 16 Our first lecture & observing night of the season with Michael Blanton (Carnegie Observatories). 5:30 PM talk + stargazing through the 60- & 100-inch telescopes. 🎟️ www.mtwilson.edu/events/talk051626/

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/05/2026

Matinees on the Mountain return May 9 at 3 PM Join us for WALL·E (2008) - a perfect afternoon for all ages. Arrive early to explore or grab a bite at the Cosmic Café. 🎟️ www.mtwilson.edu/events/movie050926

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 21/04/2026

Mount Wilson is known for its historic discoveries - but observing continues today. Our imaging program captures galaxies, nebulae, star clusters & planets - continuing a legacy of studying light. Images by Reggie Jones @ Mount Wilson Observatory www.mtwilson.edu/imaging

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 15/04/2026

First Star Party of the season ✨ Fri, April 17 | Sunset–1 AM | FREE Join Los Angeles Astronomical Society at Mount Wilson Observatory for an evening under the stars. No tickets, no RSVP - just show up! mtwilson.edu/events/starparty041726/

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 06/04/2026

Inside the 100-inch dome, Orion lingered just long enough for a glimpse of M42 before slipping below the horizon. A quick snap—but a real moment. (Photo: Nik Arkimovich) www.mtwilson.edu/observe/

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 06/04/2026

A 1907 Steinway—built in the same era as Mount Wilson’s great telescopes—makes its home on the mountain. Join us April 26 for Echoes of Discovery, a special piano premiere & fundraiser in the 100-inch dome. 🎟 www.mtwilson.edu/events/piano...

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 12/03/2026

2026 docent training is underway! We welcomed both longtime docents and new trainees this past weekend as we prepare for another season sharing the history and science of Mount Wilson Observatory. Tours resume April 11 (weather permitting). See you on the mountain!

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/03/2026

A new season is on the horizon at Mount Wilson Observatory! Concerts in the Dome, Talks & Telescopes, Matinees on the Mountain, tours, public observing nights, free star parties & more! Science, history, engineering & the arts - all on the mountain. Details coming soon.

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/03/2026

Work where the forest meets the stars! ✨🌲 The Cosmic Café at Mount Wilson Observatory is hiring for the 2026 season. Part-time, seasonal position (spring–fall) with weekend availability. Love working with people? Send your resume & cover email to: cosmiccafe@mtwilson.edu

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 09/02/2026

Behind the scenes at the 150-Foot Solar Tower: our Technical Services volunteers recently completed critical maintenance to help preserve this 124-year-old solar research instrument for the future. Video: Rob Skinner

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/02/2026

Completed in 1912, the 150-ft Solar Tower became one of history’s most important solar instruments. Since 1917, astronomers here have kept the world’s longest continuous hand-drawn sunspot record—still vital to solar science today.

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 04/02/2026

Seeking enthusiastic communicators! Love Mount Wilson Observatory? Join our Docent Team. Training starts March 2026—no astronomy background required. Lead weekend tours and help bring Mount Wilson’s scientific legacy to life. Apply: mtwilson.edu/docents

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 28/01/2026

Completed in 1908, Mount Wilson’s 60-foot Solar Tower transformed solar observing with daily, precise studies of sunspots and motion. Using it, George Ellery Hale identified magnetic fields on the Sun—revealing magnetism as a universal force and helping define modern solar physics.

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 28/01/2026

We miss you too! Big plans are brewing for our 2026 season—concerts, lectures, tours, movies & more. The Cosmic Café and public tours return weekends in mid-April, with public events in May. Want the scoop? Join our mailing list or follow along here. See you on the mountain soon! bit.ly/mwosignup

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 20/01/2026

Brought from Yerkes Observatory in 1904, the Snow Solar Telescope was the first instrument at the Mount Wilson Solar Observatory. It enabled early studies of sunspots and solar spectra, helping lay the foundation of modern solar physics—and still inspires visitors today.

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 20/01/2026

Thanks to you, Mount Wilson Observatory begins 2026 strong. We’re deeply grateful to the members and donors who supported our year-end campaign - every gift helps preserve a century of discovery. Thank you, and we can’t wait to welcome you back for concerts, lectures, and nights under the stars!

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 13/01/2026

“It cannot too often be repeated that the Sun is the only star whose phenomena can be studied in detail.” With these words, George Ellery Hale set the vision for the Mount Wilson Solar Observatory - where solar research was central from the very beginning.

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Mount Wilson Observatory @mtwilsonobs.bsky.social · 13/01/2026

With Mount Wilson Observatory’s STEM Program, students visit the mountaintop where humanity discovered its place in the universe. Einstein, Hawking, and Carl Sagan all came here—now today’s students can too. Know a teacher or school group? Please share! Learn more: www.mtwilson.edu/stem

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