2025-08-21 00:50:02UT (2025-08-21 09:50:02JST)  Solar Science Observatory NAOJ

P=+18.00, B0=+6.90, L0=252.86, radius=948.1"
obs radius= 943.2 (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: pu   S08.90 E43.85,   0.689,     94.11,     68.32,      22.80     3
       2: p    S19.52 W04.19,   0.893,      2.50,      1.40,       0.35     1
       3: pu   S19.08 W03.63,   0.897,     30.77,     17.15,       8.48     1
       4: p    S19.20 W06.67,   0.892,     14.31,      8.03,       3.46     1
       5: pu   S19.10 W07.91,   0.890,     64.77,     36.39,      16.47     1
       6: pu   N10.23 E76.90,   0.243,    190.37,    392.00,      35.73     5
       7: p    N07.32 E33.84,   0.833,     10.02,      6.01,       2.16     2
       8: pu   N07.53 E30.54,   0.863,     20.75,     12.02,       5.71     2
       9: p    N17.52 E55.16,   0.577,      6.08,      5.27,       0.86     4
      10: u  1 S08.89 E43.85,   0.689,     21.83,     15.84,      10.08     3
      11: u  3 S19.16 W03.67,   0.896,      7.16,      3.99,       3.10     1
      12: u  5 S19.13 W07.89,   0.890,     12.17,      6.84,       5.80     1
      13: u  6 N10.20 E76.86,   0.243,     62.62,    128.61,      20.49     5
      14: u  8 N07.52 E30.50,   0.864,      5.37,      3.11,       2.34     2
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-6 B_t
     Region     ap_area  co_area  darkness 
 
     North      227.22   415.30     44.46
 
     South      206.47   131.29     51.57
 
     Whole      433.69   546.59     96.02
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S19.22 W05.93, 258.80,       6,       1, 0.893,  112.36,   62.97
       2: N07.44 E31.88, 220.99,       3,       0, 0.851,   30.77,   18.03
       3: S08.90 E43.85, 209.02,       2,       0, 0.689,   94.11,   68.32
       4: N17.52 E55.16, 197.70,       1,       0, 0.577,    6.08,    5.27
       5: N10.22 E76.88, 175.98,       2,       0, 0.243,  190.37,  392.00
     ---------------------------------------------------------------------


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

     North      3           6          36

     South      2           8          28

     Whole      5          14          64

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

     Center     1           6          16


dark:pcg20250821_084428_00 flat:pcg20250821_084631_01