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Discovered last year, the comet C/2023 A3 Tsuchinshan-ATLAS will be visible in the California sky on Saturday night for the first time in 80,000 years.
The object – which has the full name C/2023 A3 (Tsuchinshan–ATLAS) – was found last year but in recent weeks has passed close enough to Earth that it could be seen with the naked eye.
Animation of C/2023 A3 around Sun C/2023 A3 · Sun · Mercury · Venus · Earth · Mars. The comet has a retrograde orbit, lying at an inclination of 139°. Τhe comet had its perihelion on 27 September 2024, at a distance of 0.391 AU. Τhe closest approach to Earth was on 12 October 2024, at a distance of 0.47 AU.
A rare comet is still glowing over Ohio. Here's how to see it before it's gone, and won't return for 80,000 years.
Another group of comets that is the result of fragmentation episodes is the Liller comet family made of C/1988 A1 (Liller), C/1996 Q1 (Tabur), C/2015 F3 (SWAN), C/2019 Y1 (ATLAS), and C/2023 V5 (Leonard). [154] [155] Some comets have been observed to break up during their perihelion passage, including great comets West and Ikeya–Seki. Biela's ...
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The position of comet C/2023 P1 (Nishimura) in the starry sky in September 2023: - On September 1 at an apparent magnitude of 6.5 m in the upper right corner of the constellation Cancer. - From September 7 to 9 at an apparent magnitude of just over 4 m half to the upper right in the head of the constellation Leo.
Articles about astronomical objects discovered in 2023 in the parent category should be moved to this subcategory. This category is for astronomical objects discovered in 2023 . See parent category for proper sortkey usage instructions.