TEMPO.CO, Jakarta – Perseid meteor shower In 2023 it is predicted that the peak will occur late at night on August 12-13. Perseid is one of two meteor Rain the long-awaited annual, in addition to the Geminids in December. Earth’s orbit takes us through the densest part of the Perseid meteoroid stream each year around August 12, so this shooting star appears almost clockwork.
Observant observers under dark skies typically see more than 60 Perseids per hour between midnight and dawn. Typically, during night watches, the Perseids are able to produce a number of bright, blazing, and shattering meteors, which leave subtle strings that can last for seconds or more in their wake.
According to Margaret Campbell-Brown and Peter Brown in the “2023 Observer’s Handbook” of the Royal Astronomical Society of Canada, Earth is expected to intersect the densest part of the Perseid stream at around 4 a.m. EDT on Sunday, August 13. “This situation doesn’t happen often,” the book excerpts.
The Perseid Stream has a dense core that gives a sharp peak shower that lasts only about eight or nine hours centered on this particular time of day. The North American region, especially in the east, is fortunate to be in an optimal position if it is in the mood to chase the peak views of this year’s meteor showers.
So, late at night on Saturday, August 12th, until the first light of dawn on the morning of Sunday, August 13th, the situation was very promising to see the beautiful Perseid show.
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On the other hand, the Moon with its bright light almost interrupted the view of last year’s meteor shower. But, that won’t happen this year. This time, what appeared was a waning crescent moon at 8 percent brightness. He was on his way to the new moon in three days time. So, 2023 is indeed a good year to witness the August Perseids.
Basic meteors
The source of the Perseid rain is comet 109P/Swift-Tuttle, which orbits the sun in a long ellipse of about 130 years. The comet sheds a bit of material each time it approaches the Sun again. This debris continues to move near the comet’s orbital path, creating rare “rivers of debris” in space.
These meteoroids from the Perseid stream range from grains of sand to gravel and have the consistency of cigar ash flakes. They crash into Earth’s atmosphere at 60 km per second, creating glowing trails of shocked ionized air as they vaporize.
On a peak night, the Perseids will appear to diverge from a patch of sky between the constellations Perseus and Cassiopeia near the famous Perseus Double Cluster. The divergence of the meteor from this point of radiance is the effect of perspective; meteoroids are actually moving in parallel through space. Meteors that appear near the beam will display short trails because we see them almost directly, while those far from the beam will appear wider, making them appear longer.
In the early hours of the morning, the glow is low in the north-northeast, so meteors strike the upper atmosphere at a low angle – and therefore we see relatively few meteors per square kilometer in the upper atmosphere. As the night deepens, and as the beam rises higher in the northeast, meteors come almost straight down, and we see more meteors.
How to watch
An excellent meteor shower like the Perseids will produce about one meteor per minute for any given observer under a dark country sky. Any light pollution or moonlight greatly reduces the above count.
Choose a lookout that is free of nearby glare, has a wide-open view of the sky, and preferably is as far away from city light pollution as possible.
Meteor viewing is best by lying down, gazing at the stars, and waiting. Usually, the direction to look is wherever your sky is darkest, usually straight up. For the Perseids, it is customary to see a point halfway between the radian (which will rise in the northeastern sky) and the point directly overhead (the zenith).
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2023-08-08 04:14:16
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