2018-06-28 03:20:51UT (2018-06-28 12:20:51JST)  Solar Science Observatory NAOJ

P= -4.03, B0=+2.52, L0=155.08, radius=944.7"
obs radius= 946.5 (pixel), p_thresh=-0.085, u_thresh=-0.305

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


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dark:pcg20180628_121808_00 flat:pcg20180628_121900_01