X-FLARE: As predicted, sunspot AR1890 has unleashed another strong flare, an X1-class explosion on Nov. 10th at 05:14 UT. NASAs Solar Dynamics Observatory recorded a bright flash of extreme ultraviolet radiation from the blast site. This is the third X-flare from AR1890 since Nov. 5th, and all three have something in common: brevity. AR1890 tends to produce impulsive flares, peaking sharply in a matter of minutes or less. Often, brief flares do not produce coronal mass ejections (CMEs), but this one could be an exception. A movie of the flare shows a plume of material lifting off the sun shortly after the UV flash. That could be the beginnings of an Earth-directed CME. Stay tuned for further analysis. spaceweather/
Posted on: Sun, 10 Nov 2013 19:27:56 +0000
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