19 Jul 2021, 00:20:07 (UT)
 
P=+5.457, B0=+4.70, L0=173.0, radius=945.8"
obs radius = 847.2 (pixel), RMS=150.9 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c
      No.   position       cos(t)    ap_area    co_area    darkness
     ---------------------------------------------------------------
       1: S15.97 W20.34,   0.875,      5.76,      3.29,        206
       2: S15.23 W21.29,   0.874,     42.12,     24.08,       1981
       3: N17.87 W4.690,   0.970,      1.33,      0.68,         33
       4: N24.74 W25.15,   0.853,     50.10,     29.35,       2578
       5: N24.38 W29.64,   0.822,     26.60,     16.16,       1020
       6: N24.86 W29.24,   0.823,      2.21,      1.34,         51
       7: N25.25 W28.20,   0.829,      4.87,      2.94,        123
       8: N26.78 W25.70,   0.838,     62.08,     37.01,       2565
       9: N26.38 W28.36,   0.822,      1.77,      1.07,         46
      10: N27.25 W26.58,   0.829,      0.88,      0.53,         24
      Umbra only
      11: N24.73 W25.18,   0.853,      1.77,      1.03,        188
     ---------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North      149.88    89.12      6440
 
     South       47.89    27.37      2187
 
     Whole      197.77   116.50      8627
 
     ----------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North      2           9          29
 
     South      1           2          12
 
     Whole      3          11          41
 
     ------------------------------------------
 
     Center     2           3          23
 
     Seeing     3