2018-05-18 04:43:00UT (2018-05-18 13:43:00JST)  Solar Science Observatory NAOJ

P=-20.08, B0=-2.33, L0=336.92, radius=949.5"
obs radius= 951.8 (pixel), p_thresh=-0.095, u_thresh=-0.335

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


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dark:pcg20180517_155112_00 flat:pcg20180517_155205_01