Mount Wilson Observatory
@mtwilsonobs.bsky.social
Where we discovered our place in the universe.
www.mtwilson.edu
www.mtwilson.edu
The Fall 2025 issue of Reflections is here! Explore stories of innovation, history & community from Mount Wilson — from the 60-inch telescope’s legacy to early hybrid trucks & our new film series. Read now: mtwilson.edu/reflections-fall2025
November 4, 2025 at 10:53 PM
The Fall 2025 issue of Reflections is here! Explore stories of innovation, history & community from Mount Wilson — from the 60-inch telescope’s legacy to early hybrid trucks & our new film series. Read now: mtwilson.edu/reflections-fall2025
Student Research on the Mountain! This fall, student astronomers spent a week at Mount Wilson using the historic 60-inch telescope to study binary stars via speckle interferometry. Read more in the Nov LAAS Bulletin → bit.ly/mwoLAASNov2025 (📸 Steven Garcia)
November 4, 2025 at 10:46 PM
Student Research on the Mountain! This fall, student astronomers spent a week at Mount Wilson using the historic 60-inch telescope to study binary stars via speckle interferometry. Read more in the Nov LAAS Bulletin → bit.ly/mwoLAASNov2025 (📸 Steven Garcia)
Beginner Birder Walk at Mount Wilson 🌿 | Sun, Nov 2, 8:30–10:30 AM. Join Pasadena Audubon Society & Mount Wilson Observatory for a beginner-friendly hike! Binoculars & spotting scopes provided. Limited spots — lottery entry. More info: www.mtwilson.edu/events/birderwalk110225
Mount Wilson Observatory | Mount Wilson Beginner Birder Walk with the Pasadena Audubon Society
www.mtwilson.edu
October 28, 2025 at 9:45 PM
Beginner Birder Walk at Mount Wilson 🌿 | Sun, Nov 2, 8:30–10:30 AM. Join Pasadena Audubon Society & Mount Wilson Observatory for a beginner-friendly hike! Binoculars & spotting scopes provided. Limited spots — lottery entry. More info: www.mtwilson.edu/events/birderwalk110225
Thank you for an amazing 2025 season! Your support helps preserve Mount Wilson Observatory and inspire wonder. Join our mailing list to be among the first to hear about 2026 events: bit.ly/mwomail
October 28, 2025 at 9:41 PM
Thank you for an amazing 2025 season! Your support helps preserve Mount Wilson Observatory and inspire wonder. Join our mailing list to be among the first to hear about 2026 events: bit.ly/mwomail
Visit the Cosmic Café this weekend! Sat & Sun, 10–5 at Mount Wilson Observatory. Try our new vegan tomato soup, grab merch & tour tickets, and enjoy the mountain vibes!
October 20, 2025 at 9:08 PM
Visit the Cosmic Café this weekend! Sat & Sun, 10–5 at Mount Wilson Observatory. Try our new vegan tomato soup, grab merch & tour tickets, and enjoy the mountain vibes!
Wed, Oct 22 @ 7:30PM PT — Join Mount Wilson’s Tim Thompson & McDonald Observatory LIVE for a Deep Sky Tour: Our Galactic Neighborhood! Explore Hubble’s discovery & see galaxies beyond the Milky Way! youtube.com/@mcdonaldobservatory
October 20, 2025 at 5:47 PM
Wed, Oct 22 @ 7:30PM PT — Join Mount Wilson’s Tim Thompson & McDonald Observatory LIVE for a Deep Sky Tour: Our Galactic Neighborhood! Explore Hubble’s discovery & see galaxies beyond the Milky Way! youtube.com/@mcdonaldobservatory
Last Matinee of 2025! Sat, Oct 25 @ 3PM, The Mad Worlds of the Fleischers & Buster Keaton with live organ by Mark Herman. Silent film magic meets Mount Wilson history! 🎟 Tickets: www.mtwilson.edu/events/movies102525
October 14, 2025 at 10:15 PM
Last Matinee of 2025! Sat, Oct 25 @ 3PM, The Mad Worlds of the Fleischers & Buster Keaton with live organ by Mark Herman. Silent film magic meets Mount Wilson history! 🎟 Tickets: www.mtwilson.edu/events/movies102525
Last weeks of ARTS@THEOBSERVATORY! Sats thru Oct 26, $5 admission. See Terra Cosmica & Small Paintings of Infinity in the 100-inch telescope dome. 1–5 PM (film 3–5 PM)
October 14, 2025 at 10:09 PM
Last weeks of ARTS@THEOBSERVATORY! Sats thru Oct 26, $5 admission. See Terra Cosmica & Small Paintings of Infinity in the 100-inch telescope dome. 1–5 PM (film 3–5 PM)
Sun, Oct 19: Mariachi Lindas Mexicanas bring mariachi magic to the Dome! Final 2025 concert under the 100-inch telescope—don’t miss this unique experience.
🎟 www.mtwilson.edu/events/concert101925
🎟 www.mtwilson.edu/events/concert101925
October 14, 2025 at 10:03 PM
Sun, Oct 19: Mariachi Lindas Mexicanas bring mariachi magic to the Dome! Final 2025 concert under the 100-inch telescope—don’t miss this unique experience.
🎟 www.mtwilson.edu/events/concert101925
🎟 www.mtwilson.edu/events/concert101925
Our final Talks & Telescopes of 2025 lit up the night! Guests explored cosmic rainbows with Prof. Jenny Krestow & Dr. Chris Burns. Be first to hear about 2026—join our mailing list: bit.ly/mwosignup
October 14, 2025 at 9:59 PM
Our final Talks & Telescopes of 2025 lit up the night! Guests explored cosmic rainbows with Prof. Jenny Krestow & Dr. Chris Burns. Be first to hear about 2026—join our mailing list: bit.ly/mwosignup
Last Matinee of the Season! Sat Oct 25 @ 3PM
The Mad Worlds of the Fleischers & Buster Keaton + live organ by Mark Herman—silent films from the era of Mount Wilson’s great cosmic discoveries.
Trailer: youtu.be/WrI5pH2yVqc
Tix: mtwilson.edu/events/movies102525
The Mad Worlds of the Fleischers & Buster Keaton + live organ by Mark Herman—silent films from the era of Mount Wilson’s great cosmic discoveries.
Trailer: youtu.be/WrI5pH2yVqc
Tix: mtwilson.edu/events/movies102525
October 7, 2025 at 5:42 PM
Last Matinee of the Season! Sat Oct 25 @ 3PM
The Mad Worlds of the Fleischers & Buster Keaton + live organ by Mark Herman—silent films from the era of Mount Wilson’s great cosmic discoveries.
Trailer: youtu.be/WrI5pH2yVqc
Tix: mtwilson.edu/events/movies102525
The Mad Worlds of the Fleischers & Buster Keaton + live organ by Mark Herman—silent films from the era of Mount Wilson’s great cosmic discoveries.
Trailer: youtu.be/WrI5pH2yVqc
Tix: mtwilson.edu/events/movies102525
This Sunday! COSMIC ART NIGHT | Oct 12 @ 7PM
Experience Terra Cosmica—an immersive film inside the 100-inch dome—plus celestial art by James Griffith & a rare chance to observe through the 100-inch telescope!
🎟️ limited tix available: mtwilson.edu/events/cosmic-art-night-terracosmica
Experience Terra Cosmica—an immersive film inside the 100-inch dome—plus celestial art by James Griffith & a rare chance to observe through the 100-inch telescope!
🎟️ limited tix available: mtwilson.edu/events/cosmic-art-night-terracosmica
October 7, 2025 at 5:21 PM
This Sunday! COSMIC ART NIGHT | Oct 12 @ 7PM
Experience Terra Cosmica—an immersive film inside the 100-inch dome—plus celestial art by James Griffith & a rare chance to observe through the 100-inch telescope!
🎟️ limited tix available: mtwilson.edu/events/cosmic-art-night-terracosmica
Experience Terra Cosmica—an immersive film inside the 100-inch dome—plus celestial art by James Griffith & a rare chance to observe through the 100-inch telescope!
🎟️ limited tix available: mtwilson.edu/events/cosmic-art-night-terracosmica
FREE STAR PARTY Fri Oct 10, Sunset–1AM at Mount Wilson Observatory!
See Saturn, Neptune, Uranus + galaxies, nebulae & star clusters with LAAS telescopes.
Weather can be a factor—please check our social media the day of the event for updates.
Free event; donations welcome.
ℹ️ mtwilson.edu/star-parties
See Saturn, Neptune, Uranus + galaxies, nebulae & star clusters with LAAS telescopes.
Weather can be a factor—please check our social media the day of the event for updates.
Free event; donations welcome.
ℹ️ mtwilson.edu/star-parties
October 7, 2025 at 5:18 PM
FREE STAR PARTY Fri Oct 10, Sunset–1AM at Mount Wilson Observatory!
See Saturn, Neptune, Uranus + galaxies, nebulae & star clusters with LAAS telescopes.
Weather can be a factor—please check our social media the day of the event for updates.
Free event; donations welcome.
ℹ️ mtwilson.edu/star-parties
See Saturn, Neptune, Uranus + galaxies, nebulae & star clusters with LAAS telescopes.
Weather can be a factor—please check our social media the day of the event for updates.
Free event; donations welcome.
ℹ️ mtwilson.edu/star-parties
TALKS & TELESCOPES | Sat Oct 11 @ 5:30PM
Explore cosmic rainbows with Prof. Jenny Krestow & Dr. Chris Burns—how light reveals the secrets of stars & planets! Stay for telescope viewing + stargazing. ✨🔭
🎟 Last lecture of the season: mtwilson.edu/events/talk101125
Explore cosmic rainbows with Prof. Jenny Krestow & Dr. Chris Burns—how light reveals the secrets of stars & planets! Stay for telescope viewing + stargazing. ✨🔭
🎟 Last lecture of the season: mtwilson.edu/events/talk101125
October 7, 2025 at 5:14 PM
TALKS & TELESCOPES | Sat Oct 11 @ 5:30PM
Explore cosmic rainbows with Prof. Jenny Krestow & Dr. Chris Burns—how light reveals the secrets of stars & planets! Stay for telescope viewing + stargazing. ✨🔭
🎟 Last lecture of the season: mtwilson.edu/events/talk101125
Explore cosmic rainbows with Prof. Jenny Krestow & Dr. Chris Burns—how light reveals the secrets of stars & planets! Stay for telescope viewing + stargazing. ✨🔭
🎟 Last lecture of the season: mtwilson.edu/events/talk101125
Concerts in the Dome | Sun Oct 5 @ 3 & 5PM
Chamber music soars inside the legendary 100-inch Telescope Dome—where Hubble unveiled the expanding universe. Works by Gal, Britten & Prokofiev.
🎟 mtwilson.edu/events/concert100525
Chamber music soars inside the legendary 100-inch Telescope Dome—where Hubble unveiled the expanding universe. Works by Gal, Britten & Prokofiev.
🎟 mtwilson.edu/events/concert100525
September 30, 2025 at 5:33 PM
Concerts in the Dome | Sun Oct 5 @ 3 & 5PM
Chamber music soars inside the legendary 100-inch Telescope Dome—where Hubble unveiled the expanding universe. Works by Gal, Britten & Prokofiev.
🎟 mtwilson.edu/events/concert100525
Chamber music soars inside the legendary 100-inch Telescope Dome—where Hubble unveiled the expanding universe. Works by Gal, Britten & Prokofiev.
🎟 mtwilson.edu/events/concert100525
A look inside Mount Wilson’s 150-ft Solar Telescope, the world’s tallest since 1912. Operator Steve Padilla continues a century of solar research & education with this historic instrument. 📸 Patricia Hill
September 30, 2025 at 5:30 PM
A look inside Mount Wilson’s 150-ft Solar Telescope, the world’s tallest since 1912. Operator Steve Padilla continues a century of solar research & education with this historic instrument. 📸 Patricia Hill
FREE STAR PARTY! Sat Sep 27
Sunset–1AM at Mount Wilson Observatory with LAAS telescopes - see Saturn, Neptune, Uranus + galaxies, nebulae & star clusters. Free (donations welcome).
ℹ️ mtwilson.edu/star-parties
Sunset–1AM at Mount Wilson Observatory with LAAS telescopes - see Saturn, Neptune, Uranus + galaxies, nebulae & star clusters. Free (donations welcome).
ℹ️ mtwilson.edu/star-parties
September 23, 2025 at 8:15 PM
FREE STAR PARTY! Sat Sep 27
Sunset–1AM at Mount Wilson Observatory with LAAS telescopes - see Saturn, Neptune, Uranus + galaxies, nebulae & star clusters. Free (donations welcome).
ℹ️ mtwilson.edu/star-parties
Sunset–1AM at Mount Wilson Observatory with LAAS telescopes - see Saturn, Neptune, Uranus + galaxies, nebulae & star clusters. Free (donations welcome).
ℹ️ mtwilson.edu/star-parties
ARTS@THEOBSERVATORY | Sats thru Oct 26
In the 100-inch Dome:
Terra Cosmica immersive film (3–5 PM)
James Griffith’s Small Paintings of Infinity (1–5 PM)
Art, science & cosmos converge. Admission $5
In the 100-inch Dome:
Terra Cosmica immersive film (3–5 PM)
James Griffith’s Small Paintings of Infinity (1–5 PM)
Art, science & cosmos converge. Admission $5
September 23, 2025 at 8:12 PM
ARTS@THEOBSERVATORY | Sats thru Oct 26
In the 100-inch Dome:
Terra Cosmica immersive film (3–5 PM)
James Griffith’s Small Paintings of Infinity (1–5 PM)
Art, science & cosmos converge. Admission $5
In the 100-inch Dome:
Terra Cosmica immersive film (3–5 PM)
James Griffith’s Small Paintings of Infinity (1–5 PM)
Art, science & cosmos converge. Admission $5
Volunteer Appreciation Night
We celebrated the amazing volunteers who keep Mount Wilson alive with a special evening on the legendary 60-inch Telescope. Thank you for your passion & dedication!
📸 Allan Der
We celebrated the amazing volunteers who keep Mount Wilson alive with a special evening on the legendary 60-inch Telescope. Thank you for your passion & dedication!
📸 Allan Der
September 23, 2025 at 8:06 PM
Volunteer Appreciation Night
We celebrated the amazing volunteers who keep Mount Wilson alive with a special evening on the legendary 60-inch Telescope. Thank you for your passion & dedication!
📸 Allan Der
We celebrated the amazing volunteers who keep Mount Wilson alive with a special evening on the legendary 60-inch Telescope. Thank you for your passion & dedication!
📸 Allan Der
SUN SEP 21 | 3PM & 5PM
The New Hollywood String Quartet performs an all-Schubert program inside the historic 100-inch Telescope Dome—where the universe’s expansion was discovered. 🌌🎶
🎟 mtwilson.edu/events/concert092125
The New Hollywood String Quartet performs an all-Schubert program inside the historic 100-inch Telescope Dome—where the universe’s expansion was discovered. 🌌🎶
🎟 mtwilson.edu/events/concert092125
September 16, 2025 at 10:09 PM
SUN SEP 21 | 3PM & 5PM
The New Hollywood String Quartet performs an all-Schubert program inside the historic 100-inch Telescope Dome—where the universe’s expansion was discovered. 🌌🎶
🎟 mtwilson.edu/events/concert092125
The New Hollywood String Quartet performs an all-Schubert program inside the historic 100-inch Telescope Dome—where the universe’s expansion was discovered. 🌌🎶
🎟 mtwilson.edu/events/concert092125
SOLD OUT! 🎬✨
Sat Sep 27 | Close Encounters of the Third Kind with a Bob Baker Marionettes pre-show + exhibit.
Missed it? October’s final Matinee on the Mountain will be announced soon—stay tuned!
Sat Sep 27 | Close Encounters of the Third Kind with a Bob Baker Marionettes pre-show + exhibit.
Missed it? October’s final Matinee on the Mountain will be announced soon—stay tuned!
September 16, 2025 at 10:05 PM
SOLD OUT! 🎬✨
Sat Sep 27 | Close Encounters of the Third Kind with a Bob Baker Marionettes pre-show + exhibit.
Missed it? October’s final Matinee on the Mountain will be announced soon—stay tuned!
Sat Sep 27 | Close Encounters of the Third Kind with a Bob Baker Marionettes pre-show + exhibit.
Missed it? October’s final Matinee on the Mountain will be announced soon—stay tuned!
Arts@theObservatory presents: TERRA COSMICA — an immersive 43-min film by Rebeca Méndez & Stephen Nowlin, dissolving the boundary between earth & cosmos. On view Saturdays 3–5PM thru Oct 26 | $5 admission at the door.
September 11, 2025 at 10:52 PM
Arts@theObservatory presents: TERRA COSMICA — an immersive 43-min film by Rebeca Méndez & Stephen Nowlin, dissolving the boundary between earth & cosmos. On view Saturdays 3–5PM thru Oct 26 | $5 admission at the door.
🚧 Weekday Detour Alert! Sept 8–25, Mon–Fri, 9AM–2PM: Angeles Crest Hwy closed between Foothill Blvd & Angeles Forest Hwy for SCE work. Use Big Tujunga Canyon Rd → Angeles Forest Hwy as detour. Weekends, Cosmic Café, tours & events = NOT affected!
September 8, 2025 at 7:51 PM
🚧 Weekday Detour Alert! Sept 8–25, Mon–Fri, 9AM–2PM: Angeles Crest Hwy closed between Foothill Blvd & Angeles Forest Hwy for SCE work. Use Big Tujunga Canyon Rd → Angeles Forest Hwy as detour. Weekends, Cosmic Café, tours & events = NOT affected!
TALKS & TELESCOPES | SAT SEP 13 @5:30PM
Artist Lia Halloran explores art, astronomy & overlooked voices in science. After the talk: picnic + stargazing through Mt. Wilson’s 60” & 100” telescopes!
🎟️ Tickets: www.mtwilson.edu/events/talk091325/
Artist Lia Halloran explores art, astronomy & overlooked voices in science. After the talk: picnic + stargazing through Mt. Wilson’s 60” & 100” telescopes!
🎟️ Tickets: www.mtwilson.edu/events/talk091325/
September 3, 2025 at 7:56 PM
TALKS & TELESCOPES | SAT SEP 13 @5:30PM
Artist Lia Halloran explores art, astronomy & overlooked voices in science. After the talk: picnic + stargazing through Mt. Wilson’s 60” & 100” telescopes!
🎟️ Tickets: www.mtwilson.edu/events/talk091325/
Artist Lia Halloran explores art, astronomy & overlooked voices in science. After the talk: picnic + stargazing through Mt. Wilson’s 60” & 100” telescopes!
🎟️ Tickets: www.mtwilson.edu/events/talk091325/
See James Griffith’s painting exhibition Small Paintings of Infinity: connecting fossils & stars inside Mount Wilson’s 100-inch dome. Saturdays thru Oct 26 | $5
mtwilson.edu/events/arts-griffith/
mtwilson.edu/events/arts-griffith/
August 26, 2025 at 5:14 PM
See James Griffith’s painting exhibition Small Paintings of Infinity: connecting fossils & stars inside Mount Wilson’s 100-inch dome. Saturdays thru Oct 26 | $5
mtwilson.edu/events/arts-griffith/
mtwilson.edu/events/arts-griffith/