2025-12-18 00:27:24UT (2025-12-18 09:27:24JST)  Solar Science Observatory NAOJ

P= +8.73, B0=-1.28, L0=123.27, radius=974.8"
obs radius= 968.4 (pixel), p_thresh=-0.090, u_thresh=-0.320

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t Group
      No. p/u    position       cos(t)    ap_area    co_area    darkness    id
     --------------------------------------------------------------------------
       1: pu   S25.15 W72.64,   0.280,     53.62,     95.92,       6.85     2
       2: p    S16.32 W71.51,   0.311,     18.67,     30.05,       1.89     1
       3: pu   S15.91 W69.69,   0.340,     43.44,     63.90,       5.57     1
       4: pu   S14.55 W76.56,   0.231,     92.31,    200.14,      11.65     1
       5: p    N01.73 E04.13,   0.996,     61.43,     30.84,      13.03     5
       6: p    N02.44 E04.39,   0.995,      3.05,      1.53,       0.41     5
       7: pu   N03.88 W00.78,   0.996,     38.01,     19.09,      11.18     4
       8: p    N02.05 W54.37,   0.581,      6.45,      5.55,       0.78     3
       9: p    N18.60 E73.65,   0.260,     28.17,     54.26,       2.79     6
      10: u  1 S25.10 W72.61,   0.280,      8.48,     15.14,       2.11     2
      11: u  3 S15.95 W69.66,   0.340,      4.41,      6.48,       1.00     1
      12: u  4 S14.50 W76.36,   0.234,     19.35,     41.35,       4.56     1
      13: u  7 N03.87 W00.82,   0.996,     10.18,      5.11,       5.02     4
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-6 B_t
     Region     ap_area  co_area  darkness 
 
     North      137.11   111.26     28.18
 
     South      208.05   390.00     25.97
 
     Whole      345.16   501.26     54.15
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S15.30 W73.44, 196.72,       5,       0, 0.281,  154.42,  294.08
       2: S25.13 W72.63, 195.90,       2,       0, 0.280,   53.62,   95.92
       3: N02.05 W54.37, 177.64,       1,       0, 0.581,    6.45,    5.55
       4: N03.88 W00.80, 124.07,       2,       1, 0.996,   38.01,   19.09
       5: N01.97 E04.22, 119.05,       2,       1, 0.996,   64.48,   32.37
       6: N18.60 E73.65,  49.62,       1,       0, 0.260,   28.17,   54.26
     ---------------------------------------------------------------------


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

     North      4           6          46

     South      2           7          27

     Whole      6          13          73

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

     Center     2           4          24


dark:pcg20251218_091840_00 flat:pcg20251218_092043_01