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Active region 12700 produced a small B-class flare on Feb. 28.
The evolution of a weak active region on the Sun. Region 2700 is a simple beta (bipolar) magnetic gr
Active region 12699 observed in2 wavebands:19.3 nm and 17.1 nm. (2018.02.08-2018.02.11)
spaceplasma: The evolution of a weak active region on the Sun. Region 2700 is a simple beta (bipolar
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