2026-04-20 02:42:12UT (2026-04-20 11:42:12JST)  Solar Science Observatory NAOJ

P=-25.62, B0=-5.22, L0=301.29, radius=954.9"
obs radius= 944.8 (pixel), p_thresh=-0.100, u_thresh=-0.350

     ***** 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    S29.78 W44.75,   0.659,      2.50,      1.89,       0.31     2
       2: pu   S17.98 W73.19,   0.302,     51.35,     85.03,       7.47     1
       3: pu   N14.42 W16.65,   0.901,    530.59,    294.31,     176.89     3
       4: p    N13.00 W14.08,   0.921,     11.05,      6.00,       2.07     3
       5: p    N13.82 W14.21,   0.916,      4.64,      2.53,       0.87     3
       6: pu   N14.22 W09.06,   0.931,    250.68,    134.63,      63.47     3
       7: pu   N13.52 W07.50,   0.939,    116.25,     61.92,      27.12     3
       8: p    N15.43 W10.71,   0.919,      2.14,      1.16,       0.33     3
       9: p    N14.34 W06.38,   0.936,      6.06,      3.24,       1.01     3
      10: p    N15.32 W06.93,   0.929,      3.21,      1.73,       0.49     3
      11: p    N16.10 W07.74,   0.923,     22.46,     12.17,       4.96     3
      12: p    N16.52 W08.43,   0.919,      4.99,      2.72,       0.84     3
      13: u  2 S18.02 W73.16,   0.303,     10.70,     17.68,       3.04     1
      14: u  3 N14.38 W16.68,   0.902,    141.21,     78.32,      88.72     3
      15: u  6 N13.85 W09.12,   0.933,      3.57,      1.91,       1.48     3
      16: u  7 N13.28 W07.55,   0.940,      6.78,      3.60,       3.14     3
      17: u  6 N14.38 W08.58,   0.931,     25.67,     13.78,      12.44     3
      18: u  7 N14.04 W07.64,   0.935,      7.13,      3.81,       3.42     3
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North      952.07   520.40    278.04
 
     South       53.84    86.92      7.77
 
     Whole     1005.92   607.32    285.81
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S18.00 W73.18,  14.46,       2,       0, 0.302,   51.35,   85.03
       2: S29.78 W44.75, 346.04,       1,       0, 0.659,    2.50,    1.89
       3: N14.54 W11.68, 312.96,      15,       1, 0.921,  952.07,  520.40
     ---------------------------------------------------------------------


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

     North      1          15          25

     South      2           3          23

     Whole      3          18          48

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

     Center     1          15          25


dark:pcg20260420_114339_00 flat:pcg20260420_113656_01