2021-04-18 00:24:07UT (2021-04-18 09:24:07JST)  Solar Science Observatory NAOJ

P=-25.79, B0=-5.37, L0=309.94, radius=956.5"
obs radius= 956.3 (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    S26.23 E50.40,   0.611,     11.83,      9.69,       2.15
       2: pu   S23.11 E44.81,   0.686,     20.88,     15.21,       5.22
       3: p    S21.43 E43.19,   0.710,      2.09,      1.47,       0.29
       4: u  2 S23.09 E44.81,   0.686,      4.87,      3.55,       1.85
     --------------------------------------------------------------------


dark:pcg20210418_123625_00 flat:pcg20210418_123727_01