Comet Honda-Mrkos-Pajdusakova on Feb 19, 2017


Date & Time: Feb 19 2017, from 19:57 to 20:09 JST(+0900)
Composed 12 shots with 1min. exposed
Optical: BORG 67FL with a conversion lens (f=324mm, F4.8)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Kenko SKYMEMO Equatorial
Digital Camera: Nikon D810A
Location: Hiraiso, Hitachi-naka city, Ibaraki pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(7360×4912)
Device Size...FX format (36×24mm)
Sensitivity...ISO1600, White Balance...Daylight




The comet Honda-Mrkos-Pajdusakova passed the perihelion in Jan 2017, and had a large movement in the celescial sphere. The comet has positioned at the edge of northwest of Canes Venatici in the north eastern evening skies. Same as my previous observation, the coma has distributed widely and I could hardly detect the figure with binocular-aided naked eyes. In this image you can see a medium-sized galaxy of NGC4631 about a degree north east from tha comet.
  The image has been cropped with an equivalent f=500mm. (View angle: 4.10×2.73°)





Comet Honda-Mrkos-Pajdusakova on Mar 4, 2017

Comet Honda-Mrkos-Pajdusakova on early morning of Feb 5, 2017


Copyright(c) 2017 by Naoyuki Kurita, All rights reserved.
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