2017-12-20 02:59:16UT (2017-12-20 11:59:16JST)  Solar Science Observatory NAOJ

P= +7.77, B0=-1.55, L0=142.39, radius=976.1"
obs radius= 976.0 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** Observed Sunspot Parameters *****
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               no sunspot


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dark:pcg20171220_115712_00 flat:pcg20171220_115805_01