2025-04-10 02:25:40UT (2025-04-10 11:25:40JST)  Solar Science Observatory NAOJ

P=-26.22, B0=-5.98, L0=211.03, radius=957.5"
obs radius= 953.5 (pixel), p_thresh=-0.100, u_thresh=-0.350

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t Group
      No. p/u    position       cos(t)    ap_area    co_area    darkness    id
     --------------------------------------------------------------------------
       1: p    S16.52 W73.21,   0.305,      1.40,      2.30,       0.25     1
       2: p    S15.72 W60.53,   0.499,     12.61,     12.63,       2.71     2
       3: p    S11.10 W47.48,   0.680,    136.91,    100.72,      31.76     3
       4: p    S12.39 W42.28,   0.741,    147.41,     99.46,      35.61     3
       5: p    S12.96 W41.16,   0.753,      9.80,      6.51,       2.26     3
       6: p    N06.25 W26.76,   0.871,     16.11,      9.24,       2.73     5
       7: p    N07.04 W27.76,   0.861,     21.36,     12.41,       3.47     5
       8: p    N07.41 W25.86,   0.874,      9.80,      5.61,       1.59     5
       9: p    N06.31 W22.91,   0.899,      5.25,      2.92,       0.83     5
      10: p    N06.81 W23.71,   0.892,      6.65,      3.73,       1.01     5
      11: p    N07.82 W24.82,   0.880,      7.00,      3.98,       1.00     5
      12: p    N07.79 W21.48,   0.903,     49.72,     27.54,       9.21     5
      13: p    N17.57 W29.30,   0.795,      4.20,      2.64,       0.60     4
      14: p    N17.68 W29.63,   0.792,      5.25,      3.32,       0.76     4
      15: pu   S06.88 E30.32,   0.865,    149.16,     86.24,      38.78     7
      16: p    N17.02 W22.27,   0.850,      7.70,      4.53,       1.23     4
      17: p    N16.91 W21.93,   0.852,      1.05,      0.62,       0.14     4
      18: p    N07.46 E26.57,   0.868,      4.90,      2.82,       0.77     6
      19: u 15 S06.91 E30.24,   0.865,      6.65,      3.84,       3.59     7
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-6 B_t
     Region     ap_area  co_area  darkness 
 
     North      139.01    79.35     23.36
 
     South      457.29   307.84    111.36
 
     Whole      596.29   387.20    134.72
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S16.52 W73.21, 284.24,       1,       0, 0.305,    1.40,    2.30
       2: S15.72 W60.53, 271.56,       1,       0, 0.499,   12.61,   12.63
       3: S11.96 W44.39, 255.43,       3,       0, 0.717,  294.12,  206.69
       4: N17.32 W25.96, 236.99,       4,       0, 0.823,   18.21,   11.11
       5: N07.09 W24.61, 235.65,       7,       1, 0.884,  115.90,   65.42
       6: N07.46 E26.57, 184.46,       1,       1, 0.868,    4.90,    2.82
       7: S06.89 E30.29, 180.74,       2,       0, 0.865,  149.16,   86.24
     ---------------------------------------------------------------------


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

     North      3          12          42

     South      4           7          47

     Whole      7          19          89

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

     Center     2           8          28


dark:pcg20250410_111753_00 flat:pcg20250410_112009_01