2020-12-18 00:26:30UT (2020-12-18 09:26:30JST)  Solar Science Observatory NAOJ

P= +8.63, B0=-1.32, L0=104.26, radius=976.0"
obs radius= 977.2 (pixel), p_thresh=-0.090, u_thresh=-0.320

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S15.46 E21.67,   0.902,      5.00,      2.77,       0.72
     --------------------------------------------------------------------


dark:pcg20201218_092014_00 flat:pcg20201218_092122_01