20 Apr 2021, 01:09:15 (UT)
 
P=-25.60, B0=-5.20, L0=283.2, radius=956.8"
obs radius = 856.5 (pixel), RMS=113.7 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c Group
      No.   position       cos(t)    ap_area    co_area    darkness    id 
     ---------------------------------------------------------------------
       1: S26.75 E24.67,   0.848,    154.91,     91.25,       6122     3
       2: S22.47 E17.20,   0.913,     41.65,     22.79,       1530     3
       3: S23.92 E22.75,   0.876,     42.09,     24.02,       1255     3
       4: S22.82 E22.18,   0.885,     37.31,     21.08,       1371     3
       5: N17.08 W49.71,   0.588,     18.65,     15.84,        557     1
       6: N16.55 W46.68,   0.629,      8.24,      6.55,        195     1
       7: N18.64 W51.64,   0.556,      3.90,      3.50,         85     1
       8: N18.98 W51.50,   0.556,      5.20,      4.67,        127     1
       9: N18.86 W50.48,   0.570,      3.03,      2.66,         59     1
      10: N18.59 W49.94,   0.578,      0.86,      0.75,         17     1
      11: N18.87 W50.75,   0.566,      0.86,      0.76,         15     1
      12: N13.22 W33.66,   0.786,      1.73,      1.10,         32     2
      13: N17.90 W44.56,   0.647,     16.05,     12.40,        383     1
      14: N18.55 W46.34,   0.622,     17.79,     14.28,        549     1
      15: N18.10 W45.16,   0.639,      1.73,      1.35,         31     1
      16: N18.47 W45.72,   0.630,      1.30,      1.03,         26     1
      17: N18.57 W45.55,   0.632,      2.60,      2.05,         51     1
      18: S17.09 E78.25,   0.220,      6.94,     15.74,        122     4
      Umbra only
      19: S26.97 E24.54,   0.848,      5.20,      3.06,        432     3
     ---------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North       82.01    66.99      2127
 
     South      282.93   174.90     10400
 
     Whole      364.95   241.89     12527
 
     ----------------------------------------
 
 
     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N17.92 W48.02, 331.19,      12,       0, 0.606,   80.28,   65.89
       2: N13.23 W33.67, 316.84,       1,       0, 0.786,    1.74,    1.10
       3: S24.72 E21.70, 261.47,       5,       1, 0.878,  275.99,  159.15
       4: S17.09 E78.25, 204.92,       1,       0, 0.220,    6.94,   15.75
     ---------------------------------------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North      2          13          33
 
     South      2           6          26
 
     Whole      4          19          59
 
     ------------------------------------------
 
     Center     1           5          15
 
     Seeing     3