Source - Space Weather News for Nov. 8, 2013:
http://spaceweather.com
HIGH SOLAR ACTIVITY: This week, Jupiter-sized sunspot AR1890 unleashed
two brief but intense X-class solar flares and numerous M-class solar
flares. More eruptions are in the offing as the sunspot turns to
directly face Earth over the weekend.
X-flare alerts are available from
http://spaceweathertext.com (text) and
http://spaceweatherphone.com (voice).
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