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624-In Coming
Recently my Catalina Sky Survey teammate Greg Leonard was asteroid hunting with our 60 inch telescope on Mt. Lemmon, Arizona when he spotted a moving…
5 years, 9 months ago
112E-124-Great Shefford Observatory
On the first night an Earth approaching asteroid candidate is discovered, one is lucky to obtain observations for a few hours along its path in the s…
5 years, 9 months ago
623-Arecibo
The National Science Foundation has announced that it will close and decommission the giant RADAR telescope at the Arecibo Observatory in Puerto Rico…
5 years, 9 months ago
111E-123-A New Discovery Not
I was observing with the NASA funded, Catalina Sky Survey, 60 inch telescope on Mt. Lemmon, when I found an interesting moving point of light in the …
5 years, 9 months ago
622-Lonely Vigil
On some nights an asteroid hunter searches for Earth approaching objects near the ecliptic plane where the planets and most of the asteroids are loca…
5 years, 9 months ago
110E-122-This Comet Will Never Return
Unlike Halley's [h AE - l ee ] comet which returns to our neighborhood once about every 76 years, Comet C2013 US10/Catalina will pass this way once …
5 years, 10 months ago
621-Morning Sky
Although the orbit of an Aten asteroid crosses our path in space on its travel about the Sun it stays mostly inside the Earth's orbit making it diffi…
5 years, 10 months ago
109E-121-Three Is A Mystery
Within a time span of one and a half hours, the two telescopes of the NASA funded, University of Arizona, Catalina Sky Survey, discovered three aster…
5 years, 10 months ago
620-Interstellar Travelers
For millennia humans have gazed into the night sky and have dreamed of traveling to the stars. It is not beyond the realm of possibility that one of …
5 years, 10 months ago
108E-120-Finally A Good Night
Unfortunately, after spending many years of my life observing the sky at night I have not observed any alien spacecraft. I too have been waiting f…
5 years, 10 months ago