18 Apr 2021, 01:21:02 (UT)
 
P=-25.78, B0=-5.37, L0=309.5, radius=957.3"
obs radius = 856.3 (pixel), RMS=148.7 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c
      No.   position       cos(t)    ap_area    co_area    darkness
     ---------------------------------------------------------------
       1: S26.05 E50.01,   0.615,     11.72,      9.51,        448
       2: S22.97 E44.45,   0.690,     19.96,     14.45,        895
       3: S21.27 E42.77,   0.714,      3.03,      2.12,         79
       4: N20.64 E28.63,   0.784,      1.30,      0.82,         28
     ---------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North        1.30     0.82        28
 
     South       34.72    26.09      1422
 
     Whole       36.02    26.92      1450
 
     ----------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North      1           1          11
 
     South      1           3          13
 
     Whole      2           4          24
 
     ------------------------------------------
 
     Center     0           0           0
 
     Seeing     3