Comet Honda-Mrkos-Pajdusakova on Dec 30, 2016


Date & Time: Dec 30 2016, from 17:58 to 18:22 JST(+0900)
Composed 10 shots with 2.5min. 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: Dec 30 2016, from 17:56 to 18:18 JST(+0900)
Composed 16 shots with 1min. exposed
Optical: TAKAHASHI 12.5cm(4.9") Fluorite refractor with a conversion lens (f=710mm, F5.7)
Auto-guided with VIXEN ATLUX Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO1600


The comet Honda-Mrkos-Pajdusakova in that day has moved to central region of Capricornus, getting brighter gradually closing to the sun. The coma in that day has a brightness of about 7th magnitude. The ion tail has a length of about 2 degrees, I could detect it stretched in eastern direction.
  1st image: View angle: 0.78×0.52°
  2nd image: View angle: 1.78×1.19°


Comet Honda-Mrkos-Pajdusakova on early morning of Feb 5, 2017
Comet Honda-Mrkos-Pajdusakova on Dec 24, 2016

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