[meteorite-list] Leonid meteor shower to peak Tuesday

From: Linton Rohr <lintonius_at_meteoritecentral.com>
Date: Mon, 16 Nov 2009 12:46:43 -0800
Message-ID: <AA1A553FCA28401B98C1CF6687764120_at_D190TH71>

Thanks Greg.
I'm about ready to head up to a nice dark sky site for the night.
I'll be observing our neighbors in the universe the first part of the night,
and lying on my cot in my winter sleeping bag, looking straight up the rest.
I may borrow Richard Norton's trick of setting the alarm clock to go off
every hour in case I dose off. ;^)
The clear sky clock looks great. Good luck to anyone else so inclined.
Linton

----- Original Message -----
From: "Greg Stanley" <stanleygregr at hotmail.com>
To: <meteorite-list at meteoritecentral.com>
Sent: Monday, November 16, 2009 12:30 PM
Subject: [meteorite-list] Leonid meteor shower to peak Tuesday


>
> A reminder - Greg S.
>
>
>
> http://www.cnn.com/2009/TECH/space/11/16/nasa.leonid.meteors/index.html
>
>
> (CNN) -- This year's Leonid meteor shower will peak early Tuesday,
> forecasters say, producing mild but pretty sparks over the United States
> and a more intense outburst over Asia.
>
> "We're predicting 20 to 30 meteors per hour over the Americas and as many
> as 200 to 300 per hour over Asia," said Bill Cooke, of NASA's meteoroid
> environment office. "Our forecast is in good accord with ... work by other
> astronomers."
>
> The Leonid shower is made of bits of debris from the Tempel-Tuttle comet,
> which streaks through Earth's inner solar system every 33 years.
>
> It leaves a stream of debris in its wake. Forecasters, however, say it's
> hard to know exactly how many of the meteors will be visible.
>
> "We can predict when Earth will cross a debris stream with pretty good
> accuracy," Cooke said. "The intensity of the display is less certain,
> though, because we don't know how much debris is in each stream."
>
> The first stream will cross over Earth about 4 a.m. ET. That stream should
> produce about two or three dozen meteors per hour over North America, NASA
> said.
>
> Experts say people who want to watch the shower, which is visible with the
> naked eye, should get as far away from city lights as possible. The darker
> the sky, the brighter the meteors will appear.
> Leonids will appear to be shooting almost directly out of the planet Mars.
>
>
> High-altitude sites are best for viewing, reducing glare from the moon,
> and there's no particular direction one should look for the best shot at
> seeing one, they say.
>
> The next Tuesday streams will peak over Indonesia and China shortly before
> dawn there. The pair of streams there were actually laid down by
> Tempel-Tuttle in A.D. 1466 and 1533, and the two of them crossing at the
> same time is the reason for the 300 or so visible meteors expected.
>
> "Even if the rates are only half that number, it would still be one of the
> best showers of the year," Cooke said.
>
> Overall, and especially in the United States, this year's Leonids are
> mild.
>
>>From 1999 to 2002, the streams produced outbursts of more than 1,000
>>meteors per hour.
>
> But one added plus this year, Cooke said, is that, coincidentally, Mars
> will be passing nearby at the time of the showers.
>
> "Leonids will appear to be shooting almost directly out of the planet
> Mars," he said.
>
>
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Received on Mon 16 Nov 2009 03:46:43 PM PST