This October, Wroclaw’s skies are in for a rare treat as Comet C/2023 A3 (Tsuchinshan-ATLAS), also known as the “comet of the century,” becomes visible. Last seen 80,000 years ago, during the time of the Neanderthals, this celestial event is one of the most significant astronomical phenomena in recent history. Stargazers in Wroclaw now have the chance to witness this incredible cosmic visitor as it passes through our skies.
Comet A3 was first discovered in 2023 by the Tsuchinshan Observatory in China and the ATLAS programme in South Africa. Originating from the Oort Cloud, a distant region of icy bodies at the edge of our solar system, Comet A3 has a bright green hue, created by the presence of diatomic carbon (C2) reacting to sunlight. Its tail is expected to grow up to 40 times the size of the full Moon, making it a stunning sight for observers.
Comet C/2023 A3 (Tsuchinshan-ATLAS) time lapse from 1847–1937 MST 13 October 2024. Was able to capture the anti tail (and too many headlights). 85mm lens cropped to 16:9 aspect ratio.
— David Blanchard (@dblanchard_AZ) October 14, 2024
Ashurst Lake, Coconino National Forest, Arizona.#comet #astrophotography pic.twitter.com/ubUAkgGjCH
Best Time and Place to See Comet A3 in Wroclaw
For those looking to catch a glimpse of the Wroclaw comet visible, the ideal time is just after sunset, from 15–31 October. The comet will be visible in the western sky, passing through the constellations Serpens Caput and Ophiuchus, with the best view around sunset when the sky is darkening.
In Wroclaw, the best places to observe the Wroclaw comet visible are areas away from the city’s light pollution, such as Mount Ślęża or local parks with open views of the horizon. Bring binoculars or a telescope for a clearer look at the comet’s vibrant tail, and don’t forget to dress warmly as the autumn nights cool down.
The Science Behind Comet A3
Comet A3 is on a long journey from the Oort Cloud, now passing about 44 million miles from Earth. The Oort Cloud is a vast region filled with icy bodies that orbit the outer edges of the solar system. When these comets venture closer to the Sun, the heat causes their surface gases and dust to vaporise, creating the iconic glowing tail that makes comets such spectacular sights.
Comet A3’s green colour comes from its unique chemical makeup. As diatomic carbon reacts to sunlight, it glows green, making the comet stand out brightly in the sky. This glowing tail will continue to grow as the comet nears its closest approach to the Sun, making it an even more impressive sight in the coming days.
Capturing the Wroclaw Comet Visible on Camera
Photographers in Wroclaw have a rare opportunity to capture this extraordinary event. Dr. Robert Massey from the Royal Astronomical Society recommends using a DSLR camera for the best results, but even a smartphone paired with a telescope can work well. To photograph the Wroclaw comet visible, try holding your phone’s camera up to a telescope eyepiece or use a tripod to steady your shot. As the comet’s tail becomes more visible, even basic cameras should be able to capture the green glow against the night sky.
Otrzymujemy od Was fantastyczne zdjęcia komety C/2023 A3 (Tsuchinshan-ATLAS), która widoczna była na #krakow.skim niebie. Kamil Pękala uchwycił ją z kopca Piłsudskiego, a Wojciech Nowak z Nowej Huty. #kometa @MeteoprognozaPL pic.twitter.com/yxbBvPjL1S
— Kraków (@krakow_pl) October 14, 2024
Don’t Miss This Rare Event!
With an orbit of 80,000 years, Comet A3 won’t be seen again in our lifetimes, making this a once-in-a-lifetime chance for Wroclaw residents. Whether you’re a seasoned astronomer or just curious, don’t miss the opportunity to see this breathtaking cosmic visitor. Head to Mount Ślęża or a nearby park before 30 October and witness one of the most remarkable astronomical events of the century.
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