Comet Hartley 2 on Aug 20, 2023


Date & Time: Aug 20 2023, from 25:30 to 25:55 JST(+0900)
Composed 13 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 was situated in the central part of Andromeda, approximately 7 degrees southwest of γ And (Almach). Only a faint coma with brightness of 12th magnitude was observable. The comet is currently moving rapidly eastward, and it is forecasted to be visible at its maximum brightness of 7th magnitude in October 2023.
This image has been cropped with an equivalent focal length of 1000mm.
View angle: 1.92×1.28°


Hartley 2 on Sep 9, 2023
2023H2 Lemmon on Nov 18, 2023

Copyright(c) 2023 by Naoyuki Kurita, All rights reserved.
To top page To Comets&Meteors index