2020-04-28 00:31:31UT (2020-04-28 09:31:31JST)  Solar Science Observatory NAOJ

P=-24.55, B0=-4.44, L0=315.35, radius=952.7"
obs radius= 956.1 (pixel), p_thresh=-0.110, u_thresh=-0.380

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S17.25 W13.93,   0.947,      5.22,      2.76,       0.95
       2: p    S17.98 W11.59,   0.953,      5.57,      2.92,       1.15
       3: p    S07.82 E08.22,   0.988,      2.79,      1.41,       0.43
     --------------------------------------------------------------------


dark:pcg20200428_084031_00 flat:pcg20200428_084320_01