Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457  ·  The star 81UMa  ·  The star 83UMa  ·  The star 84UMa  ·  The star 86UMa  ·  The star Alcor (80UMa)  ·  The star Mizar (ζUMa)
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Catalina between Pinwheel Galaxy and Mizar-Alcor, Pepe Chambó
Catalina between Pinwheel Galaxy and Mizar-Alcor
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Catalina between Pinwheel Galaxy and Mizar-Alcor

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Description

Comet C/2013 US10 (Catalina) imaged on January 17th 2016, in conjunction with the Pinwheel Galaxy (M 101) at left, and the popular pair of stars Mizar and Alcor surrounded by a bright halo induced by the refractor telescope optics. The comet stands out in center with its greenish coma from which departs a bright dust tail arched toward down, and a long ionic tail more faint toward right, going above the couple of stars.

Posted in my Blog Cometografia.es

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Catalina between Pinwheel Galaxy and Mizar-Alcor, Pepe Chambó

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Imaged with APT
Comets Imaging