2021-02-04 01:58:16UT (2021-02-04 10:58:16JST)  Solar Science Observatory NAOJ

P=-13.47, B0=-6.24, L0=191.31, radius=974.2"
obs radius= 973.8 (pixel), p_thresh=-0.070, u_thresh=-0.260

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------


               no sunspot


     ---------------------------------------------------------------


dark:pcg20210204_105600_00 flat:pcg20210204_105659_01