30 Apr 2021, 00:18:38 (UT)
 
P=-24.26, B0=-4.27, L0=151.5, radius=954.3"
obs radius = 853.7 (pixel), RMS=131.3 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c
      No.   position       cos(t)    ap_area    co_area    darkness
     ---------------------------------------------------------------
       1: S20.58 W74.38,   0.277,     13.10,     23.61,        355
       2: S20.90 W62.17,   0.461,      8.29,      8.99,        198
       3: S23.48 W52.56,   0.585,      0.87,      0.74,         17
       4: S15.80 W52.95,   0.598,     28.38,     23.72,        981
     ---------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North        0.00     0.00         0
 
     South       50.66    57.07      1551
 
     Whole       50.66    57.07      1551
 
     ----------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North      0           0           0
 
     South      3           4          34
 
     Whole      3           4          34
 
     ------------------------------------------
 
     Center     0           0           0
 
     Seeing     4