2026-05-13 02:36:31UT (2026-05-13 11:36:31JST)  Solar Science Observatory NAOJ

P=-21.47, B0=-2.91, L0=357.36, radius=949.4"
obs radius= 938.9 (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: p    S17.06 W53.11,   0.588,     28.89,     24.56,       4.29     2
       2: p    N12.96 W78.91,   0.176,      1.44,      4.11,       0.07     1
       3: pu   N14.98 W78.21,   0.184,    136.86,    371.83,      15.50     1
       4: p    N15.13 W69.30,   0.328,      1.44,      2.21,       0.11     1
       5: p    N21.71 W39.74,   0.695,      2.89,      2.08,       0.39     3
       6: pu   N23.54 W40.97,   0.671,     82.33,     61.35,      15.03     3
       7: p    N19.89 W20.13,   0.864,      2.17,      1.25,       0.24     4
       8: p    N18.75 W16.96,   0.888,      5.78,      3.25,       0.71     4
       9: p    N20.72 W18.88,   0.866,      5.78,      3.34,       0.85     4
      10: p    N16.50 E27.23,   0.837,      3.97,      2.37,       0.47     5
      11: p    N16.65 E27.80,   0.832,     11.92,      7.16,       1.43     5
      12: pu   N18.87 E26.42,   0.830,    543.83,    327.65,     135.90     5
      13: p    N17.57 E26.64,   0.836,      2.53,      1.51,       0.28     5
      14: u  3 N15.08 W78.20,   0.184,     29.97,     81.47,       6.04     1
      15: u  6 N23.51 W41.01,   0.671,     13.36,      9.96,       4.22     3
      16: u 12 N18.75 E25.62,   0.836,     66.81,     39.94,      31.31     5
      17: u 12 N18.97 E27.21,   0.823,     72.22,     43.85,      32.15     5
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North      800.95   788.11    170.99
 
     South       28.89    24.56      4.29
 
     Whole      829.84   812.68    175.28
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N14.47 W75.97,  73.33,       4,       0, 0.222,  139.75,  378.14
       2: S17.06 W53.11,  50.47,       1,       0, 0.588,   28.89,   24.56
       3: N22.97 W40.61,  37.97,       3,       0, 0.678,   85.22,   63.43
       4: N19.75 W18.50,  15.86,       3,       1, 0.874,   13.72,    7.84
       5: N18.15 E26.64, 330.73,       6,       0, 0.832,  562.25,  338.70
     ---------------------------------------------------------------------


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

     North      4          16          56

     South      1           1          11

     Whole      5          17          67

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

     Center     1           3          13


dark:pcg20260513_091637_00 flat:pcg20260513_091850_01