Catalina Sky Survey
@catalina_sky
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CSS is the worlds' most productive near-Earth asteroid Survey. CSS is a #NASA funded project based at the University of Arizona.
Tucson, AZ
Joined March 2020
BIG NEWS! CSS observer Jacqueline Fazekas has just discovered a small meteoroid that will harmlessly impact with Earth's atmosphere in about 8 hours over the Western Pacific. The object (called CAQTDL2) is small, a few feet in diameter. Attached are the discovery images.
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We're excited to announce our new program on @the_zooniverse , If you've ever wanted to be an asteroid hunter or planetary defender then please come help us keep the planet safe at
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The solar activity has been intense enough that the #AuroraBorealis can be seen down here in Tucson, it was a lovely show captured by our Mount Bigelow all-sky camera! -timelapse credit: David Rankin
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Get to know the discoverer of impacting asteroid 2022 WJ1! We just published a write up and interview with CSS observer David Rankin.
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Sleep soundly on this silent night as Catalina Sky Survey keeps eyes on the sky through the new year. Wishing you all happy holidays from Mount Lemmon!
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Last night we were able to capture this fireball on our sky cams, a small object like this poses no threat to Earth. We still love to see them though!
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(2/2)As well as a wonderful Interview from @exploreplanets's @PlanRad with our PI Eric Christensen and our sister survey Spacewatch's PI Melissa Brucker give that a listen at
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Today we call your attention to the WGSBN bulletin which features asteroid number 47708 named after Jim Hamilton, who was known for curating an email newsletter for Astrophotography before his passing in 2021. You can find the original citation at
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Today's look at the WGSBN Bulletin gives us many asteroids named for many great people. One of which being asteroid number 25589 for @Danicamckellar an amazing actress and author helping to bring women to STEM and fun to mathematics check it out at V2#7
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While the telescope is away, harps will play! As our 1.5m telescope's primary is off for re-aluminizing Operations Specialist Alessandra S. plays "Stella Splendens" taking advantage of the domes acoustic properties!
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One of the asteroids discovered by CSS is going to be visited by a spacecraft!
The #asteroid target for this @NASA mission was first observed by @catalina_sky, which supports NASA's search for near-Earth objects for #planetarydefense!
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RT @AsteroidWatch: Today's @apod features #CometLeonard discovered by Greg Leonard of the @NASA-funded @catalina_sky survey for near-Earth…
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2021 has been a great year for Planetary Defense. Some highlights include the launch of the Dart mission and reaching 3.000 near-Earth asteroid discoveries in one year by the Planetary Defense community. CSS found 1.403 NEAs in 2021. Here is to an even better 2022!
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RT @AsteroidWatch: Here at @NASA, we're on the job to find & track near-Earth objects…but have you ever wondered WHERE the known objects ar…
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Get to know the discoverer of C/2021 A1 (Leonard)! We just published an interview with Catalina Sky Survey observer Greg Leonard.
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RT @AsteroidWatch: Skywatching Tip: #CometLeonard, discovered by @Catalina_sky member Greg Leonard while searching for near-Earth objects f…
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