2026-04-12 01:01:54UT (2026-04-12 10:01:54JST)  Solar Science Observatory NAOJ

P=-26.16, B0=-5.86, L0= 47.84, radius=957.0"
obs radius= 947.0 (pixel), p_thresh=-0.085, u_thresh=-0.305

     ***** 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    S06.52 W75.36,   0.261,      1.77,      3.39,       0.10     1
       2: pu   S18.26 E33.79,   0.817,    208.34,    127.48,      55.51     4
       3: pu   N19.48 W01.34,   0.904,    127.77,     70.71,      25.43     2
       4: p    N18.56 W00.03,   0.911,     62.82,     34.50,      11.71     2
       5: p    N18.32 E01.54,   0.912,      1.42,      0.78,       0.16     2
       6: p    N19.79 E00.18,   0.901,     45.79,     25.39,       6.67     2
       7: p    N18.68 E01.78,   0.909,      4.97,      2.73,       0.68     2
       8: pu   N18.95 E02.71,   0.907,     61.05,     33.67,      14.20     2
       9: p    N20.24 E01.14,   0.898,     25.20,     14.03,       3.28     2
      10: p    N19.28 E03.32,   0.904,      2.84,      1.57,       0.39     2
      11: p    N20.21 E01.80,   0.898,      1.42,      0.79,       0.16     2
      12: p    N20.22 E02.02,   0.898,      1.77,      0.99,       0.19     2
      13: p    N14.75 E22.86,   0.860,      1.77,      1.03,       0.18     3
      14: u  2 S18.26 E33.73,   0.818,     53.95,     32.99,      25.91     4
      15: u  3 N19.16 W01.36,   0.906,     11.36,      6.27,       4.78     2
      16: u  8 N19.03 E02.80,   0.906,      7.81,      4.31,       3.08     2
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North      336.83   186.19     63.04
 
     South      210.12   130.88     55.61
 
     Whole      546.95   317.07    118.66
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S06.52 W75.36, 123.20,       1,       0, 0.261,    1.77,    3.39
       2: N19.29 E00.80,  47.04,      12,       1, 0.905,  335.05,  185.16
       3: N14.75 E22.86,  24.98,       1,       0, 0.860,    1.77,    1.03
       4: S18.26 E33.76,  14.08,       2,       0, 0.817,  208.34,  127.48
     ---------------------------------------------------------------------


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

     North      2          13          33

     South      2           3          23

     Whole      4          16          56

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

     Center     1          12          22


dark:pcg20260412_121714_00 flat:pcg20260412_100948_01