Comet Tsuchinshan 1 on Feb 9, 2024


Date & Time: Feb 9 2024, from 26:22 to 26:51 JST(+0900)
Composed 8 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, the comet Tsuchinshan 1 was located 5.5 degrees west of εVir, with a large, 8th magnitude coma and a faint tail extending to the west direction confirmed. At this time, the comet's apparent movement was minimal due to its position relative to Earth, and it was situated to the south of the Virgo Cluster. NGC 4596 galaxy is visible 13 arc minutes northward on this day. The comet will slowly begin to move eastward within Virgo and rapidly dim in the coming days.
View angle: 0.70×0.70°


Tsuchinshan 1 on Mar 2, 2024
Tsuchinshan 1 on Jan 12, 2024

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