Comet 2012K1 PanSTARRS on May 1, 2014

Date & Time: May 1 2014, from 22:03 to 22:18 JST(+0900)
Composed 5 shots with 3min. exposed
Optical: TAKAHASHI 16cm(6.3") epsilon with a conversion lens (f=742mm, F4.6)
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Koumi town, Nagano pref.

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

The comet 2012K1 PanSTARRS in that day has positioned at northeast edge of Canes Venatici, observed 8th magnitude coma at about 2 degrees west of Alcaid, a tip star of the Big Dipper. A bright star just southwest of the comet is 24 CVn. The coma has been surrounded with greenish ionized composition, and a dust tail with a length of 12 arc minutes in southeast, an indistinct ion tail in SSE, are streched from the coma, it can be seen those resemble a V-shape.
  The image has been cropped with an equivalent f=1200mm. (View angle: 1.06×0.71°)

2012K1 PanSTARRS on May 31, 2014

2012K1 PanSTARRS on Mar 28, 2014

Copyright(c) 2014 by Naoyuki Kurita, All rights reserved.
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