Wednesday, February 8, 2023

The comet that visits us every 50 thousand years will be visible to the naked eye

Comet C/2022 E3 was discovered early last March by astronomers at the Zwicky Transient Facility (ZTF) in the United States. Its next perigee will be more than 40 million kilometers on February 1.

Astronomers remark that a few days before and after that time it should be visible to the naked eye. As Newsweek reports, this comet with a long period around the Sun made its last visit to our planet 50,000 years ago during the time of Neanderthals.

less bright than NEOWISE

C/2022 E3 (ZTF) is expected to reach at least magnitude +6 at perigee, which is “There’s a limit to what the human eye can see, or even when it’s closest to Earth,” said Tania de Sales Marques. Astronomer at the Royal Greenwich Observatory in the United Kingdom. A celestial object of magnitude +2 is brighter than one of magnitude +8. Robert Massey of the UK’s Royal Astronomical Society reported that the object’s estimated maximum brightness is magnitude +4.7 around 1 February.

If the brightness predictions made so far are correct, C/2022 E3 (ZTF) will be the first naked-eye-observable comet since NEOWISE arrived in July 2020.”I’ve seen growing interest in this comet, although it won’t be like NEOWISE,” Massey said. Won’t return for 50,000 years.”

initial? binoculars better than binoculars

Massey recommends viewing it on a clear night from a dark place away from light pollution, when the moon is not in the sky, so Recommend avoiding the days around the full moon on February 6th. Binoculars are ideal for beginners trying to find comets, he said, because they are easy to use, whereas a telescope has a very small field of view. If you can see it with binoculars, try the naked eye. ” By the second week of February, the comet will cease to be clearly visible to the naked eye. Already in April it would be very unlikely to find it, even with a telescope, RT indicates.

What do comets look like?

NASA said last Saturday that the comet has brightened since March and is now crossing the constellation Corona Borealis in the Northern Hemisphere sky. It is expected to reach its closest point or perihelion to the Sun on January 12, 2023.

The US space agency released a picture of the comet on its website in which its hair is visible (the atmosphere around its core) bright green in color, with a broad, short tail of yellowish dust and a long, wispy ion tail.

on this note

Nation World News Desk
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