Comet Tsuchinshan 1 on Dec 8, 2023


Date & Time: Dec 8 2023, from 26:06 to 26:42 JST(+0900)
Composed 10 shots with 4 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight


On this day, Comet 62P Tsuchinshan 1 was located in the western part of the constellation Leo, approximately 1.3 degrees ENE of η Leonis. A diffuse coma with a blue tint, shining at 8th magnitude, was observed. A very faint tail extended towards the west. The comet is expected to continue its eastward trajectory, and forecasts indicate that it will brighten up to a maximum brightness of 7th magnitude between January and February 2024.
View angle: 0.70×0.70°


Tsuchinshan 1 on Dec 17, 2023
Nishimura on early morning of Sep 10, 2023

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