Comet 2017T2 PanSTARRS on Dec 27, 2019


Date & Time: Dec 27 2019, from 21:21 to 21:58 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 southwestern edge of Camelopardalis, moving along the autumnal Milky Way. The brightness of coma has reached about 9th magnitude. You can detect the greenish ionized composition surrounding the coma. I could estimate the length of dust tail in south direction as over 12 arc minutes from the image.
  View angle: 0.70×0.70°


2017T2 PanSTARRS on Jan 2, 2020
2017T2 PanSTARRS on Nov 29, 2019

Copyright(c) 2019 by Naoyuki Kurita, All rights reserved.
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