2025-02-28 03:07:54UT (2025-02-28 12:07:54JST)  Solar Science Observatory NAOJ

P=-21.34, B0=-7.21, L0= 31.21, radius=968.3"
obs radius= 962.8 (pixel), p_thresh=-0.075, u_thresh=-0.275

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S11.82 W77.52,   0.236,     38.12,     80.91,       3.41
       2: p    S14.30 E04.27,   0.990,      3.78,      1.91,       0.45
       3: p    S11.28 E05.60,   0.993,     17.17,      8.65,       3.05
       4: p    S09.62 E08.80,   0.988,     16.83,      8.52,       2.76
       5: p    N16.32 W37.06,   0.725,      9.96,      6.87,       1.37
       6: pu   N05.19 E37.33,   0.774,     48.07,     31.05,       8.66
       7: pu   N17.68 E03.37,   0.906,    498.25,    275.12,     109.97
       8: p    N16.77 E05.66,   0.909,      9.96,      5.48,       1.17
       9: p    N16.72 E08.54,   0.904,     14.77,      8.17,       1.87
      10: p    N17.46 E06.20,   0.903,     10.64,      5.89,       1.13
      11: p    N18.63 E04.62,   0.897,     14.42,      8.04,       1.57
      12: p    N10.89 E33.07,   0.793,      5.49,      3.47,       0.56
      13: p    N11.79 E31.48,   0.803,      2.40,      1.50,       0.23
      14: p    N20.71 E12.28,   0.862,      1.03,      0.60,       0.10
      15: p    N21.15 E11.62,   0.861,     10.64,      6.18,       1.36
      16: p    N20.93 E12.17,   0.861,      1.03,      0.60,       0.09
      17: pu   N21.94 E11.48,   0.855,     29.53,     17.27,       4.60
      18: p    N23.66 E41.73,   0.628,     12.02,      9.57,       1.42
      19: u  6 N05.20 E37.23,   0.775,      4.81,      3.10,       1.55
      20: u  7 N16.89 E04.24,   0.910,     32.62,     17.92,      12.87
      21: u  7 N17.57 E03.08,   0.907,     42.58,     23.48,      17.35
      22: u  7 N18.52 E03.02,   0.900,     14.77,      8.21,       5.43
      23: u 17 N21.85 E11.49,   0.856,      1.37,      0.80,       0.44
     --------------------------------------------------------------------


dark:pcg20250228_093539_00 flat:pcg20250228_093014_01