Comet 2015V2 Johnson on early morning of Dec 24, 2016

Date & Time: Dec 23 2016, from 26:09 to 26:35 JST(+0900)
Composed 8 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)

The comet 2015V2 Johnson in that day has positioned at 7 degrees southeast of Alcaid, a tip star of the Big Dipper. You can detect in this image that the comet has a 11th magnitude coma and a short dust tail stretched in northwestt direction. We will be able to chase the comet from now on getting brighter gradually for summer of 2017.
  (View angle: 0.78×0.52°)

Comet 2015V2 on Feb 3, 2017

Comet 2016U1 NEOWISE on early morning of Dec 31, 2016

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