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Leonids peak mornings are November 17 and 18

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PurpleSkyz

PurpleSkyz
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Leonids peak mornings are November 17 and 18
By Deborah Byrd in Tonight | November 16, 2018
Leonids peak mornings are November 17 and 18 Leonids-1998


  • Nov 16 - Nov 22


Image at top: A wide angle view of Leonid fireballs on November 17, 1998, via Juraj Toth.
The famous Leonid meteor shower is expected to be at its best in the predawn hours on Saturday, November 17, and Sunday, November 18, 2018. We give the nod to Saturday, November 17, because there will be less moonlight to intrude on the show.
To see the optimum number of meteors, no matter where you live on the globe, try watching after moonset but before dawn. Click here to find out when the waxing gibbous moon sets in your sky, remembering to check the moonrise and moonset box. From most places around the world, the moon should set soon enough after midnight to provide several hours of moon-free viewing before the onset of dawn.
Will you see what’s shown on the image at the top of this post? Thousands of meteors per hour? No. That image is from 1998, when the Leonids’ parent comet – Comet Temple-Tuttle – was nearby. The Leonids are famous for producing meteor storms when the comet is in our neighborhood, but no meteor storm is expected this year, only a modest 10 to 15 Leonid meteors per hour.
Leonids peak mornings are November 17 and 18 09nov16_430
Radiant of the Leonid meteor shower near the star Algieba in the constellation Leo.
Here’s a tip: be aware of the rising time of the shower’s radiant point. As darkness falls in mid-November, the radiant point of the Leonid shower sits below your horizon, as seen from all parts of Earth. As the Earth turns, the constellation Leo the Lion – carrying the meteor shower radiant point – will rise over your eastern horizon around midnight (or around 1 a.m. at temperate latitudes in the Southern Hemisphere).
Around midnight, when the radiant point is at or near the horizon, the Leonid meteors are few and far between.
But the constellation Leo the Lion will climb upward in the sky during the hours after midnight. It reaches its highest point in the night sky just before dawn. That’s why you’ll see more meteors in the predawn sky. The higher that Leo appears in your sky, the more meteors you’re likely to see.
Just remember, you don’t have to locate a meteor shower radiant to watch the meteor shower. The meteors will appear in all parts of the sky. But if you trace the Leonid meteors backward, they appear to come from the constellation.
All is not lost in the evening hours, by the way! Evening is the best time to try to catch a rare earthgrazer – a slow-moving and long-lasting meteor that travels horizontally across the sky.
EarthSky lunar calendars make great gifts for astronomy-minded friends and family.
What else can you see on the night of the 2018 Leonids peak?
The radiant for the Leonids is near the star Algieba in Leo. This is not Leo the Lion’s brightest star. That distinction goes to Leo’s star Regulus. Both Algieba and Regulus belong to a noticeable pattern on the sky’s dome, in the shape of a backwards question mark. This pattern is called “the Sickle.” The paths of Leonid meteors can be traced backwards to the Sickle pattern, which is a famous asterism – or noticeable star pattern – within the constellation Leo.
Watch for both of these stars. And, during the predawn/dawn hours, look for Venus, the sky’s brightest planet, to beam mightily in the southeast sky.
By the way, the Leonids are a fast-moving meteor stream. The meteors hit the Earth’s atmosphere at some 45 miles per second (72 km/second)! The Leonid meteor shower is known for having bright meteors or fireballs, which can punch into the atmosphere with the kinetic energy of a car hitting at 60 miles per second (nearly 100 km/second).
Bottom line: In 2018, the Leonid meteor shower is expected to be at its best before dawn on Saturday, November 17, and Sunday, November 18. Usually the most meteors fall in the dark hours before dawn.

Thanks to: https://earthsky.org



  

PurpleSkyz

PurpleSkyz
Admin


https://youtu.be/iW9Weqmb2s4

Leonids peak mornings are November 17 and 18 AN66SAxeAzG3GIyEiWp6aDiHABz8kvE3vV_MCx1VBw=s48-mo-c-c0xffffffff-rj-k-no
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Published on Nov 15, 2018

Eyes on the Skies! Earth is approching a stream of debris from comet Tempel-Tuttle, source of the annual Leonid meteor shower. Forecasters expect the shower to peak on Nov. 17th and 18th with as many as 15 meteors per hour visible in bright moonlight. The Leonids are famous for storming. As often as a few times each century, Earth hits a dense filament of Tempel-Tuttle's dusty debris, causing thousands of meteors per hour to stream out of the constellation Leo. Such a display in 1833 kickstarted modern meteor astronomy with an outburst of 100,000 Leonids per hour. Many readers still remember the Leonid fireballs of 1998 and the meteor storms of 1999, 2001 and 2002. The best time to look is during the hours before dawn on Saturday, Nov. 17th, and Sunday, Nov. 18th, when the Lion is high in the eastern sky. Bonus: If you're up before sunrise, check out Venus near the bright star Spica as well as newly-discovered Comet Machholz-Fujikawa-Iwamoto (C/2018 V1) in the constellation Virgo. Also comet 46P/Wirtanen is around the corner. At the time you need a small telescope or binoculars to see it late in the evening at your southern sky. Clear Skies Everyone!



  

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