2020-11-21 00:00:59UT (2020-11-21 09:00:59JST)  Solar Science Observatory NAOJ

P=+19.48, B0=+2.10, L0=100.30, radius=972.1"
obs radius= 972.5 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   S22.54 E28.68,   0.796,    219.78,    138.11,      48.64
       2: p    N32.05 E42.32,   0.646,      8.41,      6.52,       1.04
       3: u  1 S22.54 E28.60,   0.796,     39.72,     24.94,      17.31
     --------------------------------------------------------------------


dark:pcg20201121_085451_00 flat:pcg20201121_085746_01