Comet Churyumov-Gerasimenko on Jan 3, 2022


Date & Time: Jan 3 2022, from 21:53 to 22:22 JST(+0900)
Composed 8 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


This image shows you an image of comet Churyumov-Gerasimenko at the early new year 2022. The comet has positioned at 2.3 degrees east of ι-Cnc; I could observe a 9th magnitude coma and a dust tail stretched in west direction. Currently, it is observed that the comet has an extraordinary dimmed dust trail stretched over 20 degrees westward.
  View angle: 0.70×0.70°


Churyumov-Gerasimenko on Feb 4, 2022
Churyumov-Gerasimenko on Dec 10, 2021

Copyright(c) 2022 by Naoyuki Kurita, All rights reserved.
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