2024-01-31 02:34:45UT (2024-01-31 11:34:45JST)  Solar Science Observatory NAOJ

P=-11.57, B0=-5.91, L0=190.96, radius=973.7"
obs radius= 967.2 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   S12.85 W64.55,   0.440,     28.24,     32.12,       4.18
       2: pu   S12.12 W61.49,   0.486,     40.49,     41.67,       7.21
       3: p    S10.38 W36.60,   0.804,     11.57,      7.19,       1.64
       4: p    S09.65 W38.46,   0.785,      5.78,      3.68,       0.67
       5: p    S09.36 W38.90,   0.781,      6.47,      4.14,       0.66
       6: p    S09.54 W37.93,   0.791,      5.10,      3.23,       0.64
       7: p    S13.87 E03.84,   0.988,      6.12,      3.10,       1.14
       8: p    S12.66 E01.01,   0.993,     19.74,      9.94,       3.63
       9: p    N04.34 E36.33,   0.791,     27.90,     17.63,       4.36
      10: pu   N05.25 E36.26,   0.789,     33.35,     21.12,       6.85
      11: p    N05.54 E37.20,   0.779,      2.72,      1.75,       0.27
      12: p    N07.05 E39.89,   0.745,      3.74,      2.51,       0.53
      13: p    N15.95 E55.53,   0.513,     35.39,     34.49,       3.93
      14: pu   N19.34 E57.64,   0.468,    148.36,    158.42,      26.26
      15: pu   N19.94 E62.32,   0.399,    174.56,    218.60,      19.72
      16: p    N18.99 E60.02,   0.437,     15.99,     18.32,       1.23
      17: u  1 S12.81 W64.63,   0.438,      3.74,      4.27,       0.87
      18: u  2 S12.16 W61.49,   0.486,     11.91,     12.26,       3.41
      19: u 10 N05.27 E36.28,   0.789,      7.15,      4.53,       2.48
      20: u 14 N19.41 E57.70,   0.467,     40.15,     42.97,      12.65
      21: u 15 N19.35 E62.70,   0.396,      3.74,      4.72,       0.83
      22: u 15 N20.81 E61.94,   0.401,      4.08,      5.09,       0.90
     --------------------------------------------------------------------


dark:pcg20240131_092852_00 flat:pcg20240131_093055_01