2025-05-21 01:24:01UT (2025-05-21 10:24:01JST)  Solar Science Observatory NAOJ

P=-19.12, B0=-1.97, L0= 29.77, radius=947.8"
obs radius= 943.2 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** 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    S06.39 W42.44,   0.737,      1.07,      0.73,       0.09     1
       2: p    S05.50 W42.46,   0.737,     18.25,     12.38,       2.58     1
       3: p    S04.98 W44.24,   0.716,      2.50,      1.75,       0.30     1
       4: pu   S12.53 E09.92,   0.968,    133.81,     69.08,      35.50     4
       5: pu   S13.84 E52.30,   0.602,    168.87,    140.33,      34.92     5
       6: pu   N13.64 W31.13,   0.823,    499.46,    303.36,     144.63     2
       7: pu   S06.42 E61.73,   0.474,     51.16,     53.94,       7.96     7
       8: p    N17.52 W21.90,   0.874,     27.55,     15.76,       4.22     2
       9: p    S06.59 E65.56,   0.415,      2.15,      2.59,       0.14     7
      10: p    N17.71 W21.17,   0.877,      2.15,      1.22,       0.28     2
      11: p    S06.55 E68.92,   0.361,      6.44,      8.92,       0.57     7
      12: p    N15.30 W01.21,   0.955,      1.43,      0.75,       0.16     3
      13: p    N15.60 W01.78,   0.953,      2.86,      1.50,       0.35     3
      14: p    N16.63 E01.21,   0.948,      3.58,      1.89,       0.46     3
      15: p    N19.13 E04.57,   0.930,      1.79,      0.96,       0.18     3
      16: p    N19.81 E62.27,   0.426,      5.37,      6.30,       0.48     6
      17: p    N20.84 E62.48,   0.419,      1.07,      1.28,       0.07     6
      18: u  4 S12.48 E09.94,   0.969,     40.79,     21.06,      17.46     4
      19: u  5 S13.88 E52.24,   0.602,     44.36,     36.83,      16.87     5
      20: u  6 N13.64 W31.16,   0.823,    137.39,     83.47,      74.19     2
      21: u  7 S06.44 E61.66,   0.475,     11.45,     12.04,       3.15     7
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-6 B_t
     Region     ap_area  co_area  darkness 
 
     North      545.26   333.03    150.82
 
     South      384.26   289.71     82.05
 
     Whole      929.51   622.73    232.88
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S05.60 W43.11,  72.87,       3,       0, 0.730,   21.82,   14.85
       2: N14.97 W27.90,  57.67,       4,       0, 0.844,  529.16,  320.35
       3: N16.93 E01.03,  28.74,       4,       1, 0.946,    9.66,    5.10
       4: S12.51 E09.93,  19.84,       2,       1, 0.969,  133.81,   69.08
       5: S13.86 E52.27, 337.49,       2,       0, 0.602,  168.87,  140.33
       6: N20.23 E62.35, 327.42,       2,       0, 0.423,    6.44,    7.58
       7: S06.48 E64.40, 325.37,       4,       0, 0.433,   59.75,   65.45
     ---------------------------------------------------------------------


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

     North      3          10          40

     South      4          11          51

     Whole      7          21          91

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

     Center     2           6          26


dark:pcg20250521_091809_00 flat:pcg20250521_092013_01