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Comet Catalina Grows Two Tails, Soars at Dawn
Like a soaring eagle. Comet C/2013 US10 Catalina shows off a compact green coma and two tails in this photo taken this morning (Nov. 20, 2015) at dawn from Arizona. The green color comes from carbon compounds fluorescing in UV sunlight. Credit: Chris Schur
Amateur astronomer Chris Schur of Arizona had only five minutes to observe and photograph Comet Catalina this morning before twilight got the better of the night. In that brief time, he secured two beautiful images and made a quick observation through his 80mm refractor. He writes:
“Very difficult observation on this one. (I observed) it visually with the 35mm Panoptic ocular. It was a round, slightly condensed object with no sign of the twin tails that show up in the images. After five minutes, we lost it visually as it was 2° degrees up in bright twilight. Images show it for a longer time and a beautiful emerald green head with two tails forming a Y shaped fan.” (…)
Read the rest of Comet Catalina Grows Two Tails, Soars at Dawn (408 words)
© Bob King for Universe Today, 2015. | Permalink | No comment |
Post tags: coma, comet, Comet C/2013 US10 Catalina, zodiacal light
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Source: http://www.universetoday.com/123551/comet-catalina-grows-two-tails-soars-at-dawn/
how does a comet have 2 tails, 2 suns maybe.