18 Apr 2004, 00:54:49 (UT)
 
P=-25.80, B0=-5.34, L0=181.0, radius=957.2"
obs radius = 855.5 (pixel), RMS=109.2 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c
      No.   position       cos(t)    ap_area    co_area    darkness
     ---------------------------------------------------------------
       1: S9.183 E69.14,   0.364,     12.17,     16.69,        209
       2: S6.230 E49.84,   0.648,      9.13,      7.04,        158
       3: S6.395 E50.78,   0.635,      4.34,      3.41,         71
       4: N14.31 E26.05,   0.843,     52.61,     31.18,       1220
     ---------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North       52.61    31.18      1220
 
     South       25.65    27.15       438
 
     Whole       78.27    58.33      1658
 
     ----------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North      1           1          11
 
     South      2           3          23
 
     Whole      3           4          34
 
     ------------------------------------------
 
     Center    -1          -1         -11
 
     Seeing    -1