Comet C/2023 A3 Tsuchinshan-ATLAS reaches its perihelion on Friday. This marks its closest pass by our sun in its 80,000 year-long orbit. It is expected that the comet will be just bright enough to ...
A3, which completes its orbit every 80,000 years, is expected to shine as bright as magnitude +0.6 in the early morning sky by the end of September 2024.