Pick of The Week
 
 

Keeping It Going (December 5, 2003)


Hi-res TIF image (3.5M)

As if it were unwilling to just go away quietly, Active Region 508, which used to be Active Region 486, popped off another good-sized Coronal Mass Ejection on 2 December 2003 just as it was about to rotate to the far side of the Sun. This area is the remainder of one of three very large sunspots that generated an almost unprecedented level of space weather activity for this period of the Sun's solar cycle. Scientists are predicting perhaps minor effects on Earth from this solar storm. In this composite an EIT 304 image of the sun has been appropriately scaled and superimposed on a LASCO C2 image where a red occulting disk can be seen extending around the Sun. This LASCO coronagraph instrument allows details in the corona to be observed.

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