2021-05-04 02:21:07UT (2021-05-04 11:21:07JST)  Solar Science Observatory NAOJ

P=-23.50, B0=-3.86, L0= 97.47, radius=952.5"
obs radius= 953.5 (pixel), p_thresh=-0.095, u_thresh=-0.335

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


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dark:pcg20210504_111838_00 flat:pcg20210504_111938_01