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March 27, 2012 – ANOTHER CME FROM SUNSPOT AR1429: Transiting the farside of the sun, never-say-die sunspot AR1429erupted during the late hours of March 26th, producing its 11th major CME. The Solar and Heliospheric Observatory (SOHO) photographed the cloud flying over the sun’s eastern limb. According to a forecast track prepared by analysts at the Goddard Space Weather Lab, the CMEwill hit two spacecraft, STEREO-B and Spitzer, on March 28th. Earth is not in the line of fire. This event shows that AR1429, the source of several strong geomagnetic storms in early March, is still active. It will begin turning back towards our planet about a week from now. NOAA forecasters estimate a 30% to 45% chance of strong geomagnetic storms around the poles on March 28-29 in response to an incoming solar wind stream.–Space Weather
courtesy of Solar Ham