The Perseid meteor shower, one of the three major meteor showers, will reach its maximum activity around 17:00 on the 13th (Sunday). Late tonight is the best time to see them in Japan.
This year, the moon will rise after the date changes, but since it is a thin moon, you can enjoy meteor observation without worrying about the influence of moonlight.
How about staying up late and looking up at the night sky with your family as one of your summer memories?
I wonder what the weather will be like tonight?
Typhoon No. 7 will affect many places from tonight to tomorrow morning on Monday 14th. Partly due to the influence of moist air from the east, the conditions are severe for observations centering on the Pacific side.
On the other hand, the western part of the Chugoku and Shikoku regions, Kyushu, and Okinawa, which are far from the typhoon, will have a chance to observe on clear skies.
» Pinpoint weather forecast
How many meteors can we expect?
August 13 around 22:00 Northeast Sky (Tokyo)
・General appearance period: July 17th to August 24th・This year’s peak activity: Sunday, August 13, around 17:00
– Parent body: Comet Swift-Tuttle
The Perseid meteor shower is counted as one of the “three major meteor showers” along with the Quadrantid meteor shower in January and the Geminid meteor shower in December. group.
This year, we will reach the maximum activity around 17:00 on Sunday, August 13th. Meteors will start appearing around 21:00 when the radiant point
rises in the sky, and the number of meteors is expected to increase as the radiant point rises higher in the sky at dawn.
According to the National Astronomical Observatory of Japan, a conspicuous number of meteors will appear during the four nights from the 11th (Friday) to the 14th (Monday). Sun) About 25 meteors can be expected per hour before dawn.
Meteors do not only appear around Perseus, but can appear anywhere in the night sky, so try to see the sky as wide as possible.
*Radiant point: A point on the celestial sphere from which shooting stars (meteor showers) appear to fly out.
What are the characteristics of the Perseid meteor shower?
1.The later the time, the more meteors you can expect
Shooting stars belonging to the meteor shower flow in all directions around the radiant point. The radiant point of the Perseid meteor shower rises higher with the passage of time, so if you want to see as many shooting stars as possible, it would be best to start observing early in the morning.
2.Many meteors can be expected for several days before and after the peak
Many shooting stars can be observed for several days before and after the peak of the Perseid meteor shower. If you can’t observe during the peak hours due to weather conditions, try observing on the days before and after that.
3.Many bright shooting stars, some leaving traces
There are many bright shooting stars in the Perseid meteor shower, and extremely bright shooting stars called fireballs and shooting stars that leave traces called meteor trails may appear.
Also pay attention to midnight on the 14th (Sun)
According to the National Astronomical Observatory of Japan, there was unexpected activity about a day and a half after the maximum last year, and meteors that were more than twice as large as the usual maximum were observed.
This year, the earth will be in the same positional relationship on the 14th (Sunday) at 23:00. It’s unlikely, but keep an eye out for any unexpected activity.
Reference materials, etc.
2023-08-12 22:05:00
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