Comet Hartley 2 on Sep 9, 2023


Date & Time: Sep 9 2023, from 22:31 to 22:44 JST(+0900)
Composed 7 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 Hartley 2 is located approximately 8.3 degrees southwest of αPer (Mirfak) in the central part of the constellation. The brightness of its coma is about 10th magnitude, and the presence of a tail could not be confirmed.
This image has been cropped with an equivalent focal length of 1000mm.
View angle: 1.92×1.28°


Hartley 2 on Oct 20, 2023
Hartley 2 on Aug 20, 2023

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