2025-08-20 01:00:20UT (2025-08-20 10:00:20JST)  Solar Science Observatory NAOJ

P=+17.69, B0=+6.86, L0=265.98, radius=948.0"
obs radius= 942.9 (pixel), p_thresh=-0.115, u_thresh=-0.395

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   S08.87 E57.02,   0.516,     76.62,     74.32,      16.72
       2: pu   S18.44 E09.27,   0.892,     49.05,     27.50,      11.84
       3: p    S18.93 E06.79,   0.894,     18.98,     10.62,       4.82
       4: pu   S18.91 E05.60,   0.896,     71.61,     39.96,      17.56
       5: p    S18.07 W37.69,   0.710,      1.07,      0.76,       0.15
       6: pu   N07.36 E44.97,   0.712,      9.31,      6.54,       2.19
       7: p    N06.44 W06.23,   0.994,      2.86,      1.44,       0.64
       8: p    N09.50 W09.49,   0.986,      1.43,      0.73,       0.27
       9: p    N09.45 W10.06,   0.984,      2.86,      1.46,       0.47
      10: u  1 S08.89 E57.02,   0.515,     19.33,     18.76,       7.82
      11: u  2 S18.41 E09.36,   0.892,      3.58,      2.01,       1.69
      12: u  4 S19.03 E05.61,   0.895,      5.01,      2.80,       2.29
      13: u  6 N07.35 E44.96,   0.712,      1.43,      1.01,       0.54
     --------------------------------------------------------------------


dark:pcg20250820_100146_00 flat:pcg20250820_085406_01