Comet Pons-Brooks on Mar 16, 2024

Click on image to enlarge

Date & Time: Mar 16 2024, from 18:49 to 19:32 JST(+0900)
Composed 21 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.: -25°C)
Location: Hitachi-oota city, Ibaraki pref.

Camera Settings: Recording format...16bit FITS, converted to 16bit TIFF(6248×4176)
Device Size...23.5×15.7mm, Gain...100


On this day, comet Pons-Brooks was positioned approximately 3.6 degrees east of delta Andromedae. Despite the shining condition of the waxing gibbous moon, it was possible to clearly observe the comet's coma with binoculars in the northwestern low sky in the evening. The brightness of the coma was at 5th magnitude, and it exhibited a complex ion tail extending towards the north. The estimated length from the photograph is over 1.6 degrees.
This image has been cropped to an equivalent focal length of 700mm.
View angle: 1.3×1.9°


Pons-Brooks on Apr 10, 2024
Pons-Brooks on Mar 6, 2024

Copyright(c) 2024 by Naoyuki Kurita, All rights reserved.
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