2019-12-31 01:31:53UT (2019-12-31 10:31:53JST)  Solar Science Observatory NAOJ

P= +2.77, B0=-2.83, L0= 83.16, radius=976.6"
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:pcg20191231_102621_00 flat:pcg20191231_102910_01