21 May 2011, 00:00:59 (UT)
 
P=-19.33, B0=-2.03, L0=209.2, radius=949.8"
obs radius = 848.0 (pixel), RMS=112.8 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c
      No.   position       cos(t)    ap_area    co_area    darkness
     ---------------------------------------------------------------
       1: S24.37 W69.82,   0.328,     41.16,     62.64,       1116
       2: S15.17 E15.21,   0.939,    246.08,    130.90,      13406
       3: S15.41 E42.11,   0.724,     16.37,     11.30,        436
      Umbra only
       4: S15.12 E15.18,   0.940,     51.34,     27.30,       5496
     ---------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North        0.00     0.00         0
 
     South      303.62   204.85     14958
 
     Whole      303.62   204.85     14958
 
     ----------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North      0           0           0
 
     South      3           4          34
 
     Whole      3           4          34
 
     ------------------------------------------
 
     Center    -1          -1         -11
 
     Seeing     2