2018-01-20 02:55:33UT (2018-01-20 11:55:33JST)  Solar Science Observatory NAOJ

P= -6.99, B0=-5.03, L0= 94.15, radius=976.0"
obs radius= 977.2 (pixel), p_thresh=-0.075, u_thresh=-0.275

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


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dark:pcg20180120_115249_00 flat:pcg20180120_115342_01