2026-05-17 04:36:43UT (2026-05-17 13:36:43JST)  Solar Science Observatory NAOJ

P=-20.35, B0=-2.45, L0=303.36, radius=948.6"
obs radius= 937.3 (pixel), p_thresh=-0.090, u_thresh=-0.320

     ***** 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: p    N19.90 W75.77,   0.216,     19.20,     44.36,       1.67     1
       2: p    S15.98 E53.83,   0.579,      1.81,      1.57,       0.17     4
       3: p    N21.00 W67.97,   0.334,      7.25,     10.83,       0.72     1
       4: p    S15.32 E55.27,   0.560,      3.62,      3.23,       0.48     4
       5: p    S15.07 E70.45,   0.334,      7.61,     11.39,       0.59     7
       6: p    N14.43 W25.76,   0.861,      6.52,      3.79,       0.78     2
       7: pu   N18.81 W27.58,   0.824,    285.88,    173.37,      78.69     2
       8: pu   N18.84 W25.40,   0.840,     41.67,     24.79,      11.50     2
       9: p    N07.90 E22.74,   0.907,     21.74,     11.99,       3.66     3
      10: p    N07.72 E23.40,   0.903,      4.35,      2.41,       0.73     3
      11: p    N08.62 E22.41,   0.907,      2.54,      1.40,       0.38     3
      12: p    N08.52 E23.17,   0.902,      1.09,      0.60,       0.13     3
      13: pu   N08.23 E26.03,   0.882,     82.25,     46.61,      23.02     3
      14: p    N08.74 E22.89,   0.903,      3.62,      2.01,       0.48     3
      15: p    N08.59 E25.16,   0.888,      3.26,      1.84,       0.56     3
      16: pu   N05.74 E64.60,   0.422,     68.84,     81.54,      10.45     6
      17: p    N05.24 E71.63,   0.310,      4.71,      7.60,       0.31     6
      18: pu   N16.43 E66.81,   0.365,     36.60,     50.10,       4.16     5
      19: u  7 N18.83 W27.55,   0.825,     69.21,     41.96,      35.25     2
      20: u  8 N18.89 W25.45,   0.840,     14.13,      8.41,       6.50     2
      21: u 13 N07.80 E26.15,   0.883,      3.99,      2.26,       1.48     3
      22: u 13 N08.28 E26.14,   0.881,     17.75,     10.07,       7.92     3
      23: u 13 N08.36 E25.70,   0.884,      3.62,      2.05,       1.40     3
      24: u 16 N05.71 E64.62,   0.422,     16.67,     19.75,       4.54     6
      25: u 18 N16.47 E66.87,   0.364,      5.07,      6.96,       1.17     5
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North      589.52   463.25    137.25
 
     South       13.04    16.19      1.23
 
     Whole      602.57   479.44    138.48
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N20.36 W72.53,  15.89,       2,       0, 0.266,   26.45,   55.20
       2: N17.60 W26.68, 330.04,       5,       0, 0.838,  334.08,  201.95
       3: N08.22 E24.55, 278.81,      10,       1, 0.893,  118.85,   66.85
       4: S15.62 E54.62, 248.74,       2,       0, 0.569,    5.44,    4.80
       5: N16.44 E66.83, 236.53,       2,       0, 0.365,   36.60,   50.10
       6: N05.57 E66.96, 236.40,       3,       0, 0.385,   73.55,   89.15
       7: S15.07 E70.45, 232.91,       1,       0, 0.334,    7.61,   11.39
     ---------------------------------------------------------------------


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

     North      5          22          72

     South      2           3          23

     Whole      7          25          95

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

     Center     1          10          20


dark:pcg20260517_113807_00 flat:pcg20260517_092423_01