2023-12-18 01:29:02UT (2023-12-18 10:29:02JST)  Solar Science Observatory NAOJ

P= +8.95, B0=-1.23, L0= 51.01, radius=974.8"
obs radius= 967.1 (pixel), p_thresh=-0.085, u_thresh=-0.305

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S19.45 E64.75,   0.409,     26.21,     32.01,       2.87
       2: p    S08.19 E28.87,   0.870,     10.55,      6.07,       1.25
       3: p    S13.08 W13.29,   0.953,      7.49,      3.93,       0.90
       4: p    S12.42 W12.82,   0.957,      7.49,      3.91,       0.93
       5: p    S11.92 W13.27,   0.957,     86.45,     45.19,      14.00
       6: pu   S10.92 W18.61,   0.934,    164.73,     88.15,      44.08
       7: p    S10.83 W17.09,   0.943,      4.42,      2.35,       0.64
       8: pu   S09.65 W17.43,   0.944,     78.28,     41.47,      14.03
       9: p    S08.73 W17.75,   0.944,      7.83,      4.14,       0.98
      10: p    S03.95 W41.32,   0.751,     10.89,      7.26,       1.48
      11: p    S02.61 W43.66,   0.724,      7.49,      5.17,       0.95
      12: p    S02.44 W44.31,   0.716,      7.49,      5.23,       0.87
      13: p    N10.68 E44.11,   0.701,     40.16,     28.63,       6.13
      14: p    N08.43 E24.78,   0.895,     19.06,     10.65,       2.84
      15: p    N12.10 E44.31,   0.695,      2.72,      1.96,       0.24
      16: p    N21.22 E49.03,   0.603,      2.72,      2.26,       0.21
      17: p    N26.57 E48.24,   0.586,     13.61,     11.62,       1.23
      18: u  6 S10.85 W18.57,   0.935,     36.42,     19.48,      18.29
      19: u  8 S09.65 W17.43,   0.944,      2.72,      1.44,       1.03
     --------------------------------------------------------------------


dark:pcg20231218_103029_00 flat:pcg20231218_102522_01