2026-04-18 05:10:28UT (2026-04-18 14:10:28JST)  Solar Science Observatory NAOJ

P=-25.79, B0=-5.38, L0=326.34, radius=955.4"
obs radius= 944.9 (pixel), p_thresh=-0.075, u_thresh=-0.275

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------------
                                       10^-6 disk 10^-6 hemis. -10^-6 B_t Group
      No. p/u    position       cos(t)    ap_area    co_area    darkness    id
     --------------------------------------------------------------------------
       1: pu   S18.39 W48.47,   0.656,    156.52,    119.30,      37.65     2
       2: pu   N20.35 W79.86,   0.132,     67.74,    257.07,       4.18     1
       3: pu   N13.83 E08.77,   0.933,    733.06,    392.84,     206.44     3
       4: p    N13.82 E13.64,   0.917,      1.07,      0.58,       0.11     3
       5: pu   N14.27 E16.33,   0.903,    392.91,    217.58,      98.49     3
       6: p    N12.85 E17.29,   0.906,      7.13,      3.94,       0.75     3
       7: u  1 S18.37 W48.45,   0.656,     47.06,     35.86,      20.38     2
       8: u  2 N19.96 W79.52,   0.138,      1.07,      3.87,       0.14     1
       9: u  3 N13.92 E08.51,   0.933,    176.49,     94.56,      93.71     3
      10: u  3 N12.88 E10.90,   0.932,      6.42,      3.44,       2.39     3
      11: u  3 N13.66 E09.65,   0.932,      4.28,      2.30,       1.43     3
      12: u  5 N14.39 E16.04,   0.904,     80.22,     44.39,      37.57     3
      13: u  5 N13.76 E17.22,   0.901,     22.11,     12.26,       8.82     3
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North     1201.92   872.01    309.96
 
     South      156.52   119.30     37.65
 
     Whole     1358.44   991.31    347.61
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N20.23 W79.76,  46.10,       2,       0, 0.134,   67.74,  257.07
       2: S18.38 W48.46,  14.80,       2,       0, 0.656,  156.52,  119.30
       3: N13.78 E12.59, 313.75,       9,       1, 0.921, 1134.17,  614.94
     ---------------------------------------------------------------------


     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------

     North      2          11          31

     South      1           2          12

     Whole      3          13          43

     ------------------------------------------

     Center     1           9          19


dark:pcg20260418_140456_00 flat:pcg20260418_140659_01