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Catalina Sky Survey @catalinaskysurvey.bsky.social · 27/01/2026

We appreciate the staff at Steward Observatory @stewardobservatory.bsky.social keeping the telescopes accessible! Clearing out snow from a recent storm so we can get back to finding hazardous asteroids!

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Reposted by Catalina Sky Survey

Mark Marley @markmarley.bsky.social · 17/11/2025

"Huge if True" podcast visited Mt. Lemmon and the Catalina Sky Survey @catalinaskysurvey.bsky.social youtu.be/LOn-mmezykQ?...

youtu.be

Humanity’s Real Plan to Stop This Asteroid (Feat. Mark Rober)

YouTube video by Cleo Abram

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Catalina Sky Survey @catalinaskysurvey.bsky.social · 30/11/2025

The resident bobcat at our Mount Lemmon facilities saying hi. #wildlife #bobcat #mountlemmon

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Reposted by Catalina Sky Survey

Mark Marley @markmarley.bsky.social · 30/06/2025

For Asteroid Day, read about how even with the amazing Rubin Telescope asteroid discoveries, we still need dedicated near Earth asteroid searches, including by the Catalina Sky Survey @catalinaskysurvey.bsky.social catalina.lpl.arizona.edu/news/spectac...

catalina.lpl.arizona.edu

Spectacular First Images from the Rubin Observatory Usher in a New Era of Cosmic Surveying and NEO Detection | Catalina Sky Survey

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Reposted by Catalina Sky Survey

Rob Seaman @robseaman.bsky.social · 19/05/2025

The 2025 Catalina Sky Survey Monsoon Workshop will be held in Tucson, August 1-5, as a splinter session of the ADASSx Summer Software Workshop, immediately following the Rubin Community Workshop. Registration (free) and abstract submission are now open. #PlanetSci #AstroMethods #PlanetaryDefense

catalina.lpl.arizona.edu

Monsoon Workshop 2025 | Catalina Sky Survey

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Catalina Sky Survey @catalinaskysurvey.bsky.social · 01/05/2025

We are recruiting a new C programmer. If you love astronomy and want to work on the front lines of planetary defense creating custom software solutions for extracting new NEOs from image data and much more, please take a look! 🔭 arizona.csod.com/ui/internal-...

arizona.csod.com

Welcome - Realize Your Potential: Cornerstone

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Catalina Sky Survey @catalinaskysurvey.bsky.social · 07/03/2025

2025 CE13 is a newly discovered potentially hazardous asteroid. It is between 141-316m in diameter and passes within 4.4LD of Earth's orbit. It was discovered on Feb 2nd, 2025 by CSS observer H. Groeller. 2025 CE13 poses no impact threat to Earth. 🔭

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Catalina Sky Survey @catalinaskysurvey.bsky.social · 25/02/2025

Congratulations to CSS observer Hannes Groeller. Hannes recently discovered comet C/2025 D1 (Groeller) from the Bok telescope, which we operate under a partnership with Spacewatch. C/2025 D1 has the largest perihelion distance of any comet found to date. Interactive orbit in comments. 🔭

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Catalina Sky Survey @catalinaskysurvey.bsky.social · 13/02/2025

2025 CW is a newly discovered potentially hazardous asteroid. It is between 200-450m in diameter and passes within 4.32LD of Earth's orbit. It was discovered on Feb 3rd, 2025 by CSS observer T. Beuden. 2025 CW poses no impact threat to Earth. 🔭

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Catalina Sky Survey @catalinaskysurvey.bsky.social · 13/02/2025

Happy to announce we have joined BlueSky and look forward to sharing information about the amazing discoveries we make at CSS. Stick around for some neat stuff! #astronomy #asteroids #planetarydefense

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