2017-12-28 00:01:59UT (2017-12-28 09:01:59JST)  Solar Science Observatory NAOJ

P= +4.02, B0=-2.52, L0= 38.63, radius=976.6"
obs radius= 973.7 (pixel), p_thresh=-0.040, u_thresh=-0.200

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


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dark:pcg20171228_085821_00 flat:pcg20171228_085914_01