Comet 2013X1 PanSTARRS on Dec 30, 2015

Date & Time: Dec 30 2015, from 18:44 to 19:05 JST(+0900)
Composed 8 shots with 3min. exposed
Optical: VIXEN 20cm(7.9") VISAC with a conversion lens (f=1278mm, F6.4)
with BaaderPlanetarium UV/IR cut filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 600D (Remodeled)
Location: Hitachi-oota city, Ibaraki pref.

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

The comet 2013X1 PanSTARRS in that day with a brightness of about 10th magnitude has positioned in higher evening skies, between Alpheratz and Algenib, the east side of the Pegasus's square. A dust tail in northeast looks longer than that in previous observation, eastimated as about 15 arc minutes from this image. And you can see that the greenish ionized composition surrounding the coma has comparatively evolved.
  The image has been cropped with an equivalent f=1600mm. (View angle: 0.79×0.53°)

2013X1 PanSTARRS on Jan 3&9, 2016

2013X1 PanSTARRS on Dec 5, 2015

Copyright(c) 2015 by Naoyuki Kurita, All rights reserved.
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