Amazing Reader Views of Comet A3 Tsuchinshan-ATLAS From Around the World
Comet C/2023 A3 Tsuchinshan-ATLAS survived perihelion to become a fine dusk object for northern hemisphere observers.
It was an amazing month for astronomy. Not only were we treated to an amazing second solar storm for 2024 that sent aurorae as far south as the Caribbean, but we had a fine naked eye comet: C/2023 A3 Tsuchinshan-ATLAS.
Discovered in early 2023, this one actually performed as expected, and topped out as the best comet for 2024. Southern hemisphere observers got a portent of things to come in September, as the comet threaded the dawn skies.
Peril at Perihelion
Then came the big wild card of perihelion. The comet passed just 58.6 million kilometers from the Sun on September 27th. At its maximum, the comet hit nearly -5th magnitude. The dust and plane crossing for the comet were both especially dramatic, as we saw a sharp spiky anti-tail trace out the comet’s orbital trail and appear to pierce the Sun as seen in views from SOHO’s LASCO C2 and C3 imagers.
But would the comet remain bright for its evening encore? This time, luck was on our side, as the comet held at +1st magnitude for about a week, and joined Venus in the dusk sky. As it began its rapid ascent, Comet ‘T-ATLAS’ unfurled its tail about a dozen degrees in length, all while keeping its remarkable anti-tail pointing sunward.
A ‘Just Point-and-Shoot’ Comet
And then the pictures came pouring in. Comet T-ATLAS was at its photogenic best in early October, as it became an easy target against the starry backdrop. Usually, +2nd magnitude or brighter is the cutoff for catching a comet along with foreground objects. This time, you could actually simply set your smartphone camera to night mode, and capture a decent handheld shot of the comet.
Plus, light pollution didn’t seem to faze this comet. We saw shots of the comet from downtown Los Angeles and other urban areas, as folks were treated to the best comet in recent memory since the dawn apparition of F3 NEOWISE in 2020.
And to think: the last time a really brilliant comet swung by (C/1995 O1 Hale-Bopp a generation ago in 1997) digital imaging was in its infancy, and film still dominated the market… just think what we might manage to do with such a comet today?
“I drove north for more than three hours, and reached the seashore facing the Sea of Japan after sunset,” says astrophotographer Hisayoshi Kato on Flickr, “It was fortunate that the sky was clear at the site, and I could enjoy the comet sinking into the Sea of Japan (over) the weekend.”
Awaiting Next ‘Great Comet’
To be sure, it’s only a matter of time before the next ‘Comet of the Century’ makes itself known. Right now, Comet T-ATLAS is still a decent +6th magnitude binocular object in Ophiuchus, outbound on its nearly quarter-of-a-million-year orbit. Alas, a second sungrazer encore for October never came to pass, as Comet C/2024 S1 ATLAS ended its cometary career at perihelion earlier this week…
“These days, we all had an extraordinary proof of the splendor of the night sky,” astronomer Gianluca Masi noted in a recent Facebook post. “Comet C/2023 A3 Tsuchinshan-ATLAS is still putting on a show… but the firmament is always a prodigy of emotions and wonders, as those who regularly turn their gaze to the stars know.”
When’s the next one? Well, we do have the promise of a similar comet coming right up in January 2025. C/2024 G3 ATLAS may reach -1st magnitude or brighter near perihelion.
Thanks to everyone that got out there and sent images to the Universe Today Flickr pool. Here’s to the next yet-to-be named bright comet, waiting in the wings to take center stage in the drama of the inner solar system and the skies of Earth.
The post Amazing Reader Views of Comet A3 Tsuchinshan-ATLAS From Around the World appeared first on Universe Today.
Source: https://www.universetoday.com/169075/amazing-reader-views-of-comet-a3-tsuchinshan-atlas-from-around-the-world/
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