19 Apr 1998, 01:43:40 (UT)
 
P=-25.77, B0=-5.29, L0=299.1, radius=957.1"
obs radius = 855.1 (pixel), RMS=62.52 10^-4 I_c
 
     ***** Observed Sunspot Parameters *****
     ---------------------------------------------------------------
                                     10^-6 hemisphere     -10^-2 I_c
      No.   position       cos(t)    ap_area    co_area    darkness
     ---------------------------------------------------------------
       1: S1.700 W17.99,   0.949,      0.86,      0.45,         13
       2: N20.53 W18.11,   0.853,    113.62,     66.53,       2712
       3: N20.61 W15.08,   0.867,      0.86,      0.50,          8
       4: N20.75 W10.36,   0.883,    148.88,     84.28,       3555
       5: N23.94 E52.84,   0.512,     16.96,     16.57,        212
      Umbra only
       6: N20.56 W18.10,   0.853,      9.56,      5.60,        440
       7: N20.83 W10.34,   0.882,     16.96,      9.61,        847
     ---------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-2 I_c
     Region     ap_area  co_area  darkness 
 
     North      280.32   167.90      6487
 
     South        0.86     0.45        13
 
     Whole      281.18   168.35      6500
 
     ----------------------------------------
 
 
     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------
 
     North     -1           6          -4
 
     South     -1           1          -9
 
     Whole     -1           7          -3
 
     ------------------------------------------
 
     Center    -1          -1         -11
 
     Seeing    -1