A potentially spectacular comet, named Comet C/2023 A3 Tsuchinshan-ATLAS (A3), could be visible to the naked eye in mid-October. Discovered in 2023 by two observatories, A3 originated in the Oort Cloud, a collection of icy bodies on the outskirts of our solar system. The comet’s trajectory could lead to it becoming visible as it approaches Earth in the coming weeks.
As comets get closer to the sun, their icy materials turn into glowing gasses, creating tails that make them visible from Earth. A3 may be visible in evening twilight from October 13-16, depending on its brightness at that time. The comet will be close to the sun, requiring a clear view of the western horizon free of obstructions.
Astronomers predict that A3 could reach a brightness comparable to the star Antares, but the true brightness remains uncertain due to factors such as composition and size. While the comet may not be as bright as past spectacles like Comet Hale-Bopp, it still presents an exciting opportunity for stargazers.
Observers are encouraged to use binoculars and check for updates on the comet’s position for the best viewing experience. As the comet rises in the sky throughout October, it may become more visible to observers in darker locations. Ultimately, the only way to know for sure whether A3 will be a dazzling spectacle or a disappointment is to go outside and look for yourself.
For more information and a finder chart of the comet, visit Tom Burns’ Facebook page. Stargazers are advised to keep an eye on the skies in the coming weeks for a potential celestial show not seen since 1997.
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