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847-Ultra Distant Comet
My Catalina Sky Survey teammate Hannes Gröller was asteroid hunting in the constellation of Ursa Major with the University of Arizona 90 inch Bok tel…
10 months, 2 weeks ago
334E-353-Backwards
Using the University of Arizona's Large Binocular Telescope atop Mt. Graham in southern Arizona, Dr. Paul Wiegert of Western University in Canada, le…
10 months, 2 weeks ago
846-Bright Nights
One little known and infrequently observed phenomenon in the natural night sky are “bright nights” during which observers have reported being able to…
10 months, 2 weeks ago
333E-352-Worth Tracking
My Catalina Sky Survey teammate Greg Leonard was observing with our team's 60 inch telescope on Mt. Lemmon in Arizona when he discovered a relatively…
10 months, 3 weeks ago
845-Mighty Schmidt
On a single February night my Catalina Sky Survey teammate Jacqui Fazekas reported the discovery of 5 Earth approaching objects using our small but …
10 months, 3 weeks ago
332E-351-Another Close One
Asteroid hunters have become aware of the many small space rocks which come near Earth because of improvements made to telescopes, cameras, and compu…
11 months ago
844-Global Meteor Network
As the Earth travels in its orbit around the Sun it collides with objects called meteoroids traveling through space. These tiny members of the solar…
11 months ago
331E-350-Asteroid Defense
In 2013 a 56 foot diameter space rock exploded over Chelyabinsk, Russia releasing the energy of 450 kt of TNT and filled local hospitals with some of…
11 months, 1 week ago
843-Possible Impactor
On 27 December 2024 the Atlas group in Chile discovered an object now known as 2024 YR4 which appeared to have a significant chance of impacting Eart…
11 months, 1 week ago
330E-349-Big and Fast
I was observing with the Catalina Sky Survey 60 inch telescope on Mt Lemmon, Arizona when a fast moving object appeared on a set of four images of th…
11 months, 2 weeks ago