Comet 2023E1 ATLAS on Sep 9, 2023


Date & Time: Sep 9 2023, from 22:00 to 22:22 JST(+0900)
Composed 12 shots with 2 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-D1 Light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial
CMOS Camera: ZWO ASI2600MC Pro (Cooled temp.: -5°C)
Location: Hiraiso, Hitachi-naka city, Ibaraki pref.

Camera Settings: Recording format...16bit FITS, converted to 16bit TIFF(6248×4176)
Device Size...23.5×15.7mm, Gain...300


On this day, comet 2023E1 Atlas is positioned in the southern sky before midnight, a bit smaller than 4 degrees south of αAqr (Sadalsuud). It appears as a faint, tailless, bluish coma with a brightness of 11th magnitude. The comet will gradually decrease in brightness from this point forward.
This image has been cropped with an equivalent focal length of 1000mm.
View angle: 1.35×0.9°


2023H2 Lemmon on Nov 18, 2023
2023E1 ATLAS on Aug 18, 2023

Copyright(c) 2023 by Naoyuki Kurita, All rights reserved.
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