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The ARRL Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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Solar activity has been at low levels, with occasional B-class flaring and isolated low-level C-class flares observed. The largest event of the period was a C1.6/Sf flare on August 5 from Region 4502.

The six numbered sunspot regions on the visible disk are mostly stable or in varying stages of decay. Region 4498 showed a slight decrease in penumbral extent. Region 4499 declined in length and ...

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