Comet C/2023 A3 (Tsuchinshan–ATLAS) on 19.10.2024

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 19.10.2024.