BIG SUNSPOT AR1618: The magnetic canopy of sunspot AR1618 is crackling
with M-class solar flares, and NOAA forecasters say an X-flare could be
in the offing. AR1618 has a delta-class magnetic field that harbors
energy for the strongest eruptions. Any flares today would likely be
Earth-directed as the sunspot is directly facing our planet.
http://www.spaceweather.com
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