2026-04-21 05:18:31UT (2026-04-21 14:18:31JST)  Solar Science Observatory NAOJ

P=-25.50, B0=-5.12, L0=286.65, radius=954.6"
obs radius= 944.6 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** 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   N14.79 W31.13,   0.802,    425.92,    265.70,     121.61     1
       2: p    N13.51 W26.62,   0.845,      2.85,      1.69,       0.27     1
       3: pu   N14.17 W23.00,   0.867,    214.74,    123.84,      44.66     1
       4: p    N15.51 W25.97,   0.839,      4.99,      2.98,       0.55     1
       5: p    N15.57 W25.33,   0.843,     18.19,     10.79,       3.04     1
       6: p    N14.72 W21.16,   0.876,      6.78,      3.87,       0.84     1
       7: p    N15.95 W22.01,   0.863,      4.28,      2.48,       0.57     1
       8: p    S09.51 E78.63,   0.208,     14.63,     35.08,       0.97     3
       9: pu   N16.58 E60.79,   0.440,     21.05,     23.90,       2.97     2
      10: u  1 N14.76 W31.13,   0.802,    128.42,     80.09,      64.38     1
      11: u  3 N14.43 W23.61,   0.862,     22.12,     12.83,       9.22     1
      12: u  3 N13.87 W21.95,   0.875,      4.64,      2.65,       1.77     1
      13: u  9 N16.64 E60.72,   0.441,      2.50,      2.83,       0.61     2
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North      698.81   435.23    174.50
 
     South       14.63    35.08      0.97
 
     Whole      713.43   470.31    175.47
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N14.70 W26.69, 313.34,      10,       0, 0.838,  677.76,  411.33
       2: N16.60 E60.77, 225.88,       2,       0, 0.441,   21.05,   23.90
       3: S09.51 E78.63, 208.02,       1,       0, 0.208,   14.63,   35.08
     ---------------------------------------------------------------------


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

     North      2          12          32

     South      1           1          11

     Whole      3          13          43

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

     Center     0           0           0


dark:pcg20260421_141242_00 flat:pcg20260421_141445_01