2020-08-18 00:27:37UT (2020-08-18 09:27:37JST)  Solar Science Observatory NAOJ

P=+17.12, B0=+6.79, L0=273.68, radius=948.8"
obs radius= 949.9 (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: pu   N18.22 W22.45,   0.909,     22.93,     12.62,       6.32
       2: u  1 N18.24 W22.45,   0.909,      6.35,      3.49,       2.70
     --------------------------------------------------------------------


dark:pcg20200818_092018_00 flat:pcg20200818_092316_01