Comet 2017T2 PanSTARRS on Jan 2, 2020


Date & Time: Jan 2 2020, from 23:58 to 24:34 JST(+0900)
Composed 10 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


The comet C/2017T2 PanSTARRS in that day was positioned at a border between Camelopardalis and Perseus, moving to northwest along the autumnal Milky Way. The brightness of coma has about 9th magnitude. You can detect the greenish ionized composition surrounding the coma. I could estimate the length of a bit curved dust tail in south direction as a bit longer than 12 arc minutes from the image.
  View angle: 0.70×0.70°


2017T2 PanSTARRS on Jan 31, 2019
(Rendez-vous with Double Cluster)
2017T2 PanSTARRS on Dec 27, 2019

Copyright(c) 2020 by Naoyuki Kurita, All rights reserved.
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