Comet 2013UC10 Catalina on early morning of Jan 4 & 5, 2016


Date & Time: Jan 4 2016, from 27:08 to 27:43 JST(+0900)
Composed 12 shots with 3min. exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium UV/IR cut filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Canon EOS 600D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO3200



Date & Time: (Upper) Jan 3 2016, from 27:05 to 27:47 JST(+0900), 2min. ×20shots
(Lower) Jan 4 2016, from 26:55 to 27:35 JST(+0900), 2min. ×20shots
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
Auto-guided with TAKAHASHI JP Equatorial
Digital Camera: Canon EOS 6D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5472×3648)
Device Size...35×24mm, Sensitivity...ISO1600


This page shows you the comet 2013UC10 Catalina on beginning of 2016 moving toward north positioned at 4 or 5degrees north of Arcturus. The coma has a visual brightness of about 5 or 6th magnitude, a diameter has become about 20 arc minutes, getting bigger and bigger toward the closest approach on Jan 17. That night had the moonlight of last quater past, I could detect no tails with telescope aided eyes, but the second images can show clear structures of the ion tail stretched over 3 degrees.
  The 1st image has been cropped with an equivalent f=1800mm. (View angle: 0.70×0.47°)
  The 2nd image has been cropped with an equivalent f=600mm. (View angle: 3.41×1.69°)


2013UC10 Catalina on early morning of Jan 9 to 11, 2016
2013UC10 Catalina on early morning of Dec 20, 2015

Copyright(c) 2016 by Naoyuki Kurita, All rights reserved.
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