2018-01-21 01:17:54UT (2018-01-21 10:17:54JST)  Solar Science Observatory NAOJ

P= -7.42, B0=-5.11, L0= 81.88, radius=975.9"
obs radius= 975.3 (pixel), p_thresh=-0.095, u_thresh=-0.335

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


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dark:pcg20180121_101222_00 flat:pcg20180121_101315_01