Comet 2019L3 ATLAS on Nov 27, 2021


Date & Time: Nov 27 2021, from 22:58 to 23:26 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


The comet 2019L3 ATLAS in that day has positioned at southwest part of Lynx, approx. 6 degrees north from Castor in Gemini. I could detect a 10th magnitude coma and a fan-like short dust tail stretched in northwest direction almost the same with previous observation. Currently the comet is moving to southwest slowly, will enter in the territory of Gemini in the middle of Dec 2021.
  View angle: 0.70×0.70°


2019L3 ATLAS on Dec 10, 2021
2019L3 ATLAS on Nov 5, 2021

Copyright(c) 2021 by Naoyuki Kurita, All rights reserved.
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