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The new sunspot region that I reported yesterday, is now numbered as
Catania 74. As seen at the 4500 Angstrom filtered view, this new sunspot
region is growing, today. Note that this is not a returning old sunspot
region. It is new, and in the southern hemisphere. The possible return
of sunspot region 1069 may rotate into view in about two days' time.
This new sunspot region, with the growth seen so far, may become a
significant region with possible flaring activity. At the moment,
however, only moderate C-class flares may occur.
Here is the SDO AIA image, at 4500 A:
<http://hfradio.org/images/20100521_1713_f4500_Catania74_lrg.jpg>
--
73 de NW7US, Tomas David Hood ( http://tomas-david-hood.com )
Contributing editor, Propagation Columns:
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