Mount Wilson Observatory

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

Sun, May 24 🎶 Music returns to the 100-inch dome Mendelssohn & Fauré, with Zachary Deak (piano), Tosca Opdam & Asi Matathias (violins), Carson Rick (viola), Cécilia Tsan (cello) Performances @ 3 & 5 PM 🎟️ mtwilson.edu/events/concert…

This Saturday! Talks & Telescopes - the season’s first lecture & observing night. Michael Blanton (@CarnegieAstro) on the Sloan Digital Sky Survey (@sdssurveys) + stargazing through the 60- & 100-inch telescopes 🎟️ mtwilson.edu/events/talk051…

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

Tomorrow 3 PM: WALL·E (2008) at Mount Wilson Observatory. A family-friendly matinee on the mountain! 🎟️ mtwilson.edu/events/movie05…

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. 🎟️ mtwilson.edu/events/talk051…

Missed the first release? More Public Ticket Night dates are now live Additional dates will be released throughout the season. 🎟 mtwilson.edu/public-ticket-…

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. 🎟️ mtwilson.edu/events/movie05…

Where’s Tim tonight? Our Science Director Tim Thompson is headed to the Pomona Valley Amateur Astronomers—and nobody tells the story of Mount Wilson quite like Tim. 7:30 PM | Harvey Mudd College Shanahan Center (Room B460)

First Public Ticket Night dates are now live! More will be released throughout the season. Observe through our historic 60- & 100-inch telescopes - the largest in the world dedicated to public viewing. 🎟️ mtwilson.edu/public-ticket-…

The season is underway - and tickets are now available! Join us on the mountain for music, observing, conversations about the universe, films, tours, and more. We hope to see you here: 🎟 mtwilson.edu/events

April 26 · 3 PM Echoes of Discovery: live music in the 100-inch dome with Tim Durkovic, Ambroise Aubrun & Cécilia Tsan. A one-time fundraiser supporting Music at Mount Wilson. 🎟 mtwilson.edu/events/piano-p…

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 mtwilson.edu/imaging

A new season on the mountain is here. Music in the dome. Talks, films, tours, and nights under the stars. 🎟 2026 tickets now live: mtwilson.edu/events

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/starpar…

Durkovic (piano), Aubrun (violin) & Tsan (cello) -internationally acclaimed - perform Beach, Fauré, Mozart & Brahms beneath the 100-inch dome for a special concert & fundraiser, debuting a restored 1907 Steinway. April 26 · 3 PM 🎟 mtwilson.edu/events/piano-p…

Our Science Director Tim Thompson is on the move this week - sharing the story of Mount Wilson like only he can. For details on attending, please check the host organizations’ websites or social media.

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) mtwilson.edu/observe/

Echoes of Discovery | April 26 · 3 PM Join us for a special piano premiere & fundraiser beneath the 100-inch dome at Mount Wilson. A restored 1907 Steinway makes its mountain debut, with Durkovic, Aubrun & Tsan performing Beach, Fauré, Mozart & Brahms. 🎟 mtwilson.edu/events/piano-p…

On this day in 1910, Andrew Carnegie visited Mount Wilson Observatory. His philanthropy helped realize George Ellery Hale’s vision. Today the Observatory’s historic structures are owned by Carnegie Science and operated by the Mount Wilson Institute.