[South Florida DX Association] Solar eruption misses Earth, auroras likely anyway
WILLIAM MARX
bmarx at bellsouth.net
Sun Sep 5 09:13:31 EDT 2010
Space Weather News for Sept. 5, 2010
http://spaceweather.com
SOLAR ACTIVITY: On Sept. 4th around 1600 UT, a magnetic filament erupted,
hurling a bright coronal mass ejection (CME) off the sun's northwestern limb.
Today's edition of http://spaceweather.com features a close-up view of the blast
from NASA's Solar Dynamics Observatory. The CME is not expected to hit Earth.
Nevertheless, auroras are possible in the nights ahead. A solar wind stream
flowing from a coronal hole is heading our way, due to arrive on Sept. 5th or
6th. NOAA forecasters estimate a 50% chance of high-latitude geomagnetic
activity when the solar wind hits. With the approach of northern autumn, Arctic
nights are getting dark again--dark enough to see the Northern Lights. People
in Alaska, Canada and Scandinavia should keep an eye on the night sky this
weekend.
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