Comet 2020S3 Erasmus on early morning of Nov 21, 2020


Date & Time: Nov 20 2020, from 28:52 to 29:11 JST(+0900)
Composed 7 shots with 3 minutes exposed
Optical: TAKAHASHI 12.5cm(4.9") fluorite refractor with conversion lens (f=700mm, F5.6)
Auto-guided with VIXEN ATLUX Equatorial & ZWO ASI178MC + PHD2
Digital Camera: Canon EOS 550D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO1600, White Balance...Daylight


The comet C/2020S3 Erasmus is currently closing to the sun getting brighter, observable until the end of Nov 2020. In that day the comet with a 7th magnitude coma positioned at 11.2 degrees southwest of Spica in the lower southeast dawn skies. A thin dust tail stretched in the west direction seems evolved compared with that in the previous observation.
  View angle: 1.80×1.20°


2020M3 ATLAS on Oct 23, 2020
2020S3 Erasmus on early morning of Nov 14, 2020

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