23 Aug 2021, 03:05:16 (UT)
 
P=+18.63, B0=+6.97, L0=68.71, radius=950.5"
obs radius = 851.3 (pixel), RMS=110.8 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: N18.59 E57.56,   0.543,    127.82,    117.64,       4658     1
       2: N20.37 E58.94,   0.522,     26.79,     25.65,        645     1
      Umbra only
       3: N18.52 E57.66,   0.541,      7.90,      7.29,        659     1
     ---------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North      154.62   143.29      5303
 
     South        0.00     0.00         0
 
     Whole      154.62   143.29      5303
 
     ----------------------------------------
 
 
     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N19.26 E58.11,  10.56,       3,       0, 0.535,  154.62,  143.29
     ---------------------------------------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North      1           3          13
 
     South      0           0           0
 
     Whole      1           3          13
 
     ------------------------------------------
 
     Center     0           0           0
 
     Seeing     2

fl20210820 df20210820 used