19 Apr 2021, 00:26:25 (UT)
 
P=-25.70, B0=-5.28, L0=296.8, radius=957.1"
obs radius = 855.8 (pixel), RMS=124.3 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c
      No.   position       cos(t)    ap_area    co_area    darkness
     ---------------------------------------------------------------
       1: S26.64 E38.01,   0.742,     90.83,     61.17,       3661
       2: S25.96 E38.08,   0.744,      0.86,      0.58,         17
       3: S25.63 E37.60,   0.751,      2.17,      1.44,         42
       4: S25.04 E37.46,   0.755,      0.86,      0.57,         16
       5: S22.77 E31.59,   0.817,     47.37,     28.97,       1987
       6: S23.13 E35.63,   0.780,     42.59,     27.28,       1777
       7: N18.06 W34.80,   0.748,      0.86,      0.58,         20
       8: N18.19 W31.58,   0.777,      3.91,      2.51,         94
     ---------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North        4.78     3.09       114
 
     South      184.71   120.04      7500
 
     Whole      189.50   123.13      7614
 
     ----------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North      1           2          12
 
     South      1           6          16
 
     Whole      2           8          28
 
     ------------------------------------------
 
     Center     0           0           0
 
     Seeing     3