Our apologies for the late notice but a portion of Berthoud is without power and the high winds are expected to continue through the evening.
We will try again next month.
Stay safe.
LTO Board
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Blog Archives
Dec 19th – Tonight’s Star Night is CANCELLED due to High WInds and local power outages
by 
Mark Rennert
Mark RennertPublic Star Night – December 19, 2025 – Webb, Roman and HabWorlds – Space Telescopes at the Astronomical Frontier
by Mark Rennert
Mark RennertSpecial Public Star Night – Friday, December 19, 2025
Little Thompson Observatory
Doors Open: 7:00 | Guest Speaker 7:30 | Observing at LTO: 7:00-10:00
Webb, Roman and HabWorlds –
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Public Star Night – November 21, 2025 – Telescope Viewing Only
by Mark Rennert
Mark RennertSpecial Public Star Night – Friday, November 21, 2025
Little Thompson Observatory
Doors Open: 7:00 | Guest Speaker NA | Observing at LTO: 7:00-10:00
No Speaker this month
While we don’t have a speaker this month we will be open for you to come out and look through our large 24 inch Newtonian,
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Public Star Night – October 24, 2015 – Telescope Viewing Only
by Mark Rennert
Mark RennertSpecial Public Star Night – Friday, October 24, 2024
Little Thompson Observatory
Doors Open: 7:00 | Guest Speaker NA | Observing at LTO: 7:00-10:00
No Speaker this month
While we don’t have a speaker this month we will be open for you to come out and look through our large 18 inch Cassegrain and 6 inch Astro-Physics telescopes.
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Public Star Night – September 19, 2025 – String Theory Is Not Dead
by Mark Rennert
Mark RennertPublic Star Night – Friday, September 19, 2025
Little Thompson Observatory
Doors Open: 7:00PM | Guest Speaker 7:30PM | Observing at LTO: 8:30-10:00PM
String Theory Is Not Dead –
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Public Star Night – August 15, 2025 – Insights from OSIRIS-REx and Asteroid Bennu
by Mark Rennert
Mark RennertPublic Star Night – Friday, August 15, 2025
Little Thompson Observatory
Doors Open: 7:00PM | Guest Speaker 7:30PM | Observing at LTO: 8:30-10:00PM
Insights from OSIRIS-REx and Asteroid Bennu: What Sample Return Has Revealed and Implications for Remote Measurements of Primitive Asteroids
A special presentation by
Victoria Hamilton,
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Middle School STEM Summer Camp at LTO
by Mark Rennert
Mark RennertIf you have a middle schooler that loves science, technology, engineering or math this is the event for them. Our own super volunteer, Daniela Ortiz is leading this event.
See the information on the flyer below and scan the QR code in the lower left.
We hope to see a lot of enthusiastic middle school students on July 26th at LTO!
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Public Star Night – June 20, 2025 – Protecting Dark Skies for All
by Mark Rennert
Mark RennertPublic Star Night – Friday, June 20, 2025
Little Thompson Observatory
Doors Open: 7:00PM | Guest Speaker NA | Observing at LTO: 8:30-10:00PM
Protecting Dark Skies for All
A special presentation by
Suzanne Metlay,
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Public Star Night – May 16, 2025 – Little Thompson Observatory
by Mark Rennert
Mark RennertPublic Star Night – Friday, May 16, 2025
Little Thompson Observatory
Doors Open: 7:00PM | Guest Speaker NA | Observing at LTO: 8:30-10:00PM
No Speaker this month
While we don’t have a speaker this month we will be open for you to come out and look through our large 24 inch Newtonian,
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