Astronomy publications or announcements from professional observatories

Comet C/2023 A3 (Tsuchinshan-ATLAS) with 80,000-Year Orbit Visible in Northern Hemisphere Until October 26 After Closest Approach on October 12

Oct 14, 2024, 05:58 AM

Comet C/2023 A3, also known as Tsuchinshan-ATLAS, is currently visible to the naked eye across the Northern Hemisphere, particularly in the western sky after sunset. This rare comet, which has an orbital period of approximately 80,000 years, made its closest approach to Earth on October 12, 2024, and is expected to remain visible until the end of October. Stargazers across various regions, including South Florida, Texas, and California, have reported sightings and captured images of the comet. Observers are advised to look west shortly after sunset, where the comet will appear to the right of Venus. Clear skies are essential for optimal viewing, as cloud cover may hinder visibility. The comet's tail, which can extend up to 18 million miles, has been noted for its impressive length, adding to the spectacle for photographers and casual viewers alike. As the comet continues its journey away from Earth, it will gradually dim each night, making this week a critical time for those wishing to witness this once-in-a-lifetime celestial event.