Comet C/2023 A3 (Tsuchinshan-ATLAS), dubbed the 'comet of the century,' is currently visible in the Northern Hemisphere after its closest approach to Earth on October 12, 2024. Discovered in January 2023, it last passed Earth 80,000 years ago. Stargazers can expect optimal viewing conditions until October 30, with sightings possible using binoculars or even the naked eye.