[MIham] Draconid Meteor Watch and Celestial Triangle

[FSK]

Space Weather News for Oct. 8, 2007
http://spaceweather.com

METEOR WATCH:  The annual Draconid meteor shower peaks on Oct. 9th at 0430
UT--in other words, tonight at 9:30 pm PDT or 12:30 am EDT. Don't expect a
big display. The source of the shower, comet 21P/Giacobini-Zinner, is far
away and unlikely to produce more than a few slow meteors every hour. It
should be noted, however, that unexpected Draconid outbursts have happened
as recently as Oct. 2005 resulting in dozens to hundreds of meteors per
hour. Could tonight be such a night? If you decide to look, keep an eye on
the northern sky (Draco is not far from the north celestial pole)  during
the hours around the predicted peak.

PERUVIAN METEORITE UPDATE:  Astronomers studying the Peruvian meteorite fall
of Sept. 15, 2007, have analyzed infrasound records of the fireball's
descent through Earth's atmosphere and estimated the impactor's kinetic
energy: about 0.03 kton of TNT.  So far more than 30 kg of the meteorite
have been recovered by Peruvian authorities, but much more remains--indeed,
says one researcher, there could be a "multi-ton monster" hiding at the
bottom of the meteorite's curiously watery crater.  Check
http://spaceweather.com for more information.


Space Weather News for Oct. 10, 2007
http://spaceweather.com

CELESTIAL TRIANGLE: Set your alarm. For the next five mornings, just before
dawn banishes the night, you can see a compact celestial triangle rising in
the eastern sky. The corners are dazzling Venus, Saturn and the bright star
Regulus. This is worth waking up for--at least once. Visit
http://spaceweather.com for sky maps and more.

AURORA WATCH: A solar wind stream is heading for Earth and it may spark a
geomagnetic storm when it arrives on Oct. 11th or 12th.  High-latitude sky
watchers should be alert for auroras.


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