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	<title>Comments on: First &quot;Gigantic Jet&quot; lightning captured in U.S.</title>
	<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US/</link>
	<description>Comments on MetaFilter post First &quot;Gigantic Jet&quot; lightning captured in U.S.</description>
	<pubDate>Fri, 24 Aug 2007 07:49:40 -0800</pubDate>
	<lastBuildDate>Fri, 24 Aug 2007 07:49:40 -0800</lastBuildDate>
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		<title>First &quot;Gigantic Jet&quot; lightning captured in U.S.</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US</link>	
		<description>&lt;a href="http://spaceweather.com/swpod2007/23aug07/giganticjets.wmv"&gt;This extremely cool video&lt;/a&gt; captures the first &quot;Gigantic Jets&quot; (purportedly) ever captured in the U.S. &lt;a href=&quot;http://spaceweather.com/&quot;&gt;&lt;i&gt;&quot;Think of them as sprites on steroids: Gigantic Jets are lightning-like discharges that spring from the top of thunderstorms, reaching all the way from the thunderhead to the ionosphere 50+ miles overhead. They&apos;re enormous and powerful.&quot;&lt;/i&gt;&lt;/a&gt; See also: An &lt;a href=&quot;http://sfgate.com/cgi-bin/article.cgi?f=/c/a/2003/06/30/MN267081.DTL&quot;&gt;article on the subject from 2003&lt;/a&gt;, a more technical article from Nature (&lt;a href=&quot;http://band.unk.edu/src/naturearticle.html&quot;&gt;mirrored&lt;/a&gt;) and &lt;a href=&quot;http://spaceweather.com/swpod2007/23aug07/howtolook.gif&quot;&gt;how to look&lt;/a&gt; for yourself.</description>
		<guid isPermaLink="false">post:www.metafilter.com,2007:site.64097</guid>
		<pubDate>Fri, 24 Aug 2007 07:35:44 -0800</pubDate>
		<dc:creator>spock</dc:creator>		<category>lightning</category>		<category>gigantic</category>		<category>jets</category>		<category>gigantic_jets</category>
	</item>	<item>
		<title>By: milovoo</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1810843</link>	
		<description>I can&apos;t believe there is a &lt;a href=&quot;http://sonotaco.com/soft/e_index.html#ufocv2%20&quot;&gt;whole suite&lt;/a&gt; of amatuer &quot;ufodetect&quot; software.  Takes all kinds I guess.</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1810843</guid>
		<pubDate>Fri, 24 Aug 2007 07:49:40 -0800</pubDate>
		<dc:creator>milovoo</dc:creator>
	</item>	<item>
		<title>By: spock</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1810856</link>	
		<description>I had not been previously aware of the Watec cameras and their use outside of surveilance and for astronomical purposes. These tiny cameras can be attached to a telescope eyepiece (with no lens) or a wide-field lens can be attached to them to capture VIDEO of astronomical events like meteor showers, asteroid occultations, lunar occultations, ect. 

How cool is that? Apparently very popular with Japanese amateur astronomers. One more thing on the ol&apos; wish list.</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1810856</guid>
		<pubDate>Fri, 24 Aug 2007 07:56:14 -0800</pubDate>
		<dc:creator>spock</dc:creator>
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		<title>By: Nelson</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1810871</link>	
		<description>Video? Meh. Semi-professional motion capture software for astronomy? Awesome! The &lt;a href=&quot;http://sonotaco.com/e_index.html&quot;&gt;product page for UFOCapture&lt;/a&gt; suggests the &quot;UFO&quot; in the name is somewhat tongue-in-cheek.</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1810871</guid>
		<pubDate>Fri, 24 Aug 2007 08:02:13 -0800</pubDate>
		<dc:creator>Nelson</dc:creator>
	</item>	<item>
		<title>By: spock</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1810872</link>	
		<description>Although the &quot;UFO&quot; name will put off some, &lt;a href=&quot;http://sonotaco.com/e_index.html&quot;&gt;the capture software&lt;/a&gt; is pretty amazing and designed for autodetecting things and turning on the video capture only when needed (as opposed to recording continuously). It&apos;s like a motion detector that turns on your porch light (for video). Another thing I was completely unaware of.</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1810872</guid>
		<pubDate>Fri, 24 Aug 2007 08:02:18 -0800</pubDate>
		<dc:creator>spock</dc:creator>
	</item>	<item>
		<title>By: milovoo</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1810883</link>	
		<description>&lt;em&gt;The product page for UFOCapture suggests the &quot;UFO&quot; in the name is somewhat tongue-in-cheek.&lt;/em&gt;

Yes, after reading more I came to realize that they are using the original meaning of UFO not the more SciFi version.  

My first thought was someone wiring up many cameras because they just know that The Aliens are coming to their house and they wouldn&apos;t want to miss it because they were sleeping or going out to dinner.</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1810883</guid>
		<pubDate>Fri, 24 Aug 2007 08:10:13 -0800</pubDate>
		<dc:creator>milovoo</dc:creator>
	</item>	<item>
		<title>By: BeerFilter</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1810893</link>	
		<description>Check out the &lt;a href=&quot;http://sonotaco.com/sample/meteor/e_index.html&quot;&gt;capture samples&lt;/a&gt; on the UFOCapture page. Especially the &quot;etc&quot; category. &lt;a href=&quot;http://sonotaco.com/sample/etc/M20031009_185516.wmv&quot;&gt;WTH?&lt;/a&gt;</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1810893</guid>
		<pubDate>Fri, 24 Aug 2007 08:16:07 -0800</pubDate>
		<dc:creator>BeerFilter</dc:creator>
	</item>	<item>
		<title>By: Pollomacho</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1810902</link>	
		<description>Looks like his neighbor (off camera) was firing off a shotgun into the air.</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1810902</guid>
		<pubDate>Fri, 24 Aug 2007 08:22:26 -0800</pubDate>
		<dc:creator>Pollomacho</dc:creator>
	</item>	<item>
		<title>By: blahblahblah</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1811357</link>	
		<description>Wierd. What is a sprite, in this context?</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1811357</guid>
		<pubDate>Fri, 24 Aug 2007 14:01:14 -0800</pubDate>
		<dc:creator>blahblahblah</dc:creator>
	</item>	<item>
		<title>By: blahblahblah</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1811361</link>	
		<description>Nevermind, &lt;a href=&quot;http://www.albany.edu/faculty/rgk/atm101/sprite.htm&quot;&gt;this explains it&lt;/a&gt;. Awesome that there are such amazing phenomena that have only been discovered 10 years ago!</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1811361</guid>
		<pubDate>Fri, 24 Aug 2007 14:03:51 -0800</pubDate>
		<dc:creator>blahblahblah</dc:creator>
	</item>	<item>
		<title>By: vronsky</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1811553</link>	
		<description>Cool spock - I remember reading about above the cloud lightning some years ago. These giant jets were being reported by airline pilots and scientist just did not believe them. Srsly. It is nice that they finally have &quot;proof&quot;.</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1811553</guid>
		<pubDate>Fri, 24 Aug 2007 17:14:58 -0800</pubDate>
		<dc:creator>vronsky</dc:creator>
	</item>	<item>
		<title>By: moonbiter</title>
		<link>http://www.metafilter.com/64097/First-Gigantic-Jet-lightning-captured-in-US#1811842</link>	
		<description>And thus we mortals have finally gotten a glimpse of &lt;a href=&quot;http://en.wikipedia.org/wiki/Ygdrasil&quot;&gt;Ygdrasil&lt;/a&gt;. Yay technology!</description>
		<guid isPermaLink="false">comment:www.metafilter.com,2007:site.64097-1811842</guid>
		<pubDate>Sat, 25 Aug 2007 02:42:10 -0800</pubDate>
		<dc:creator>moonbiter</dc:creator>
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