Comet 2019L3 ATLAS on Feb 25, 2022


Date & Time: Feb 25 2022, from 21:55 to 22:29 JST(+0900)
Composed 9 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 the western part of Gemini, approx. 2.7 degrees east from μGem. It can be seen that the dimmed coma is surrounding the nucleus, a bit dustributed northward. Currently the comet has started down its brightness after the maximum. For a while the comet can be observed under good conditions.
  View angle: 0.70×0.70°


2021A1 Leonard on Nov 27-28, 2021
2019L3 ATLAS on Jan 3, 2022

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