2023-01-31 00:43:38UT (2023-01-31 09:43:38JST)  Solar Science Observatory NAOJ

P=-11.64, B0=-5.92, L0=329.53, radius=975.6"
obs radius= 975.8 (pixel), p_thresh=-0.100, u_thresh=-0.350

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   S23.30 W65.47,   0.420,    105.97,    126.13,      16.79
       2: p    S23.05 E49.44,   0.636,     14.04,     11.05,       1.98
       3: p    S22.11 E46.18,   0.677,      4.01,      2.96,       0.51
       4: p    S21.69 E45.88,   0.682,      1.00,      0.74,       0.10
       5: pu   S21.48 E44.92,   0.693,     15.38,     11.09,       3.38
       6: p    S21.27 E45.76,   0.684,      7.02,      5.13,       0.83
       7: pu   S12.44 E73.00,   0.306,     57.17,     93.37,       6.49
       8: p    S13.25 E72.25,   0.319,      1.34,      2.10,       0.09
       9: p    N22.77 W59.11,   0.431,      5.01,      5.82,       0.59
      10: pu   N23.61 W61.76,   0.390,     30.76,     39.44,       5.36
      11: p    N22.81 W58.38,   0.441,      2.67,      3.03,       0.31
      12: p    N24.69 W62.25,   0.378,     40.45,     53.55,       4.21
      13: p    N23.73 W55.38,   0.476,      5.35,      5.62,       0.63
      14: pu   N23.57 W21.28,   0.808,    132.38,     81.89,      37.55
      15: p    N28.98 E61.97,   0.359,      3.68,      5.12,       0.45
      16: u  1 S23.28 W65.46,   0.420,     18.39,     21.87,       5.71
      17: u  5 S21.49 E44.95,   0.693,      2.67,      1.93,       0.93
      18: u  7 S12.28 E72.61,   0.312,      3.34,      5.35,       0.74
      19: u 10 N23.66 W61.92,   0.387,      6.35,      8.20,       1.86
      20: u 14 N23.55 W21.25,   0.809,     31.76,     19.64,      17.60
     --------------------------------------------------------------------


dark:pcg20230131_094548_00 flat:pcg20230131_093623_01