March 19, 2011 – ICONIC ERUPTION: A huge filament of magnetism and hot plasma blasted off the sun’s southwestern limb today, March 19th, at around 1200 UT. The eruption was not Earth-directed, but it was iconic. Just look at this snapshot recorded by NASA’s Solar Dynamics Observatory.
Many amateur astronomers in Europe witnessed the blast and said it was the biggest one they’d ever seen. This event continues the recent trend of increasing solar activity, and shows anew that Solar Cycle 24 is gaining steam after a long period of relative quiet.
SpaceWeather
Solar flares of several days ago are still active on the far-side.
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