venerdì 10 febbraio 2012
M 3.2 Flare + FULL HALO CME / Solar Watch Jan 20, 2012
EARTH-DIRECTED CME: Active Region 11402 erupted between 15:15 and 16:30 UT on Jan 19th . The long-duration blast produced an M2.6 & M3.2-class solar flares and a Full Halo CME that appears to be heading toward Earth. Geomagnetic storms will be possible within 60 hours. Further significant solar flare activity around Active Regions 11401 & 11402 are possible in the coming days as they are growing and changing shape rapidly.