2019-08-18 00:23:29UT (2019-08-18 09:23:29JST)  Solar Science Observatory NAOJ

P=+16.87, B0=+6.76, L0= 64.49, radius=948.7"
obs radius= 949.9 (pixel), p_thresh=-0.105, u_thresh=-0.365

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


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dark:pcg20190818_092125_00 flat:pcg20190818_092218_01