Comet C/2023 A3 (Tsuchinshan–ATLAS) on 4.11.2024

 
  Size: 1800 px      
 
© Velimir Popov & Emil Ivanov 2024

C/2023 A3 (Tsuchinshan–ATLAS) is a comet from the Oort cloud. It was discovered by the Purple Mountain Observatory in China on 9 January 2023 and independently found by ATLAS South Africa on 22 February 2023. The comet passed perihelion at a distance of 0.39 AU (58 million km; 36 million mi) on 27 September 2024. At this time it became visible to the naked eye. Tsuchinshan-ATLAS peaked its brightest magnitude shortly after passing the Sun at 9 October, with a magnitude of −4.9 per reported observations at the Comet Observation Database. This image shows the comet on the evening of 4.11.2024.

Image details:

Annotation

Center of field RA 18h 16m 23.961s
Center of field DE +04° 01' 15.429"
Size 1.96 x 1.31 deg
Pixel scale: 3.93 arcsec/pixel
Orientation: Up is 63.2 degrees E of N
Charts and image details obtained from Astrometry.net
Optic(s): ASA 12" Astrograph @ f/3.6 (Newton)
Mount: ASA DDM85 Standard
Camera: SBIG STL 11000 M
Filters: Luminance, Red, Green, Blue, Astronomik filters
Dates/Times: 4.Nov. 2024 18::30 UT
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:4x1min., R:4x1min, G:4x1min, B:4x1min, Bin 2, Total Exposure Time - 16 min.
More details: Dark and flat frames reduction
Processing: PixInsight / PS
 
Copyright: Velimir Popov and Emil Ivanov 2013 - 2024. All Rights Reserved
 
e-mail: info@irida-observatory.org
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