2026-01-31 02:23:52UT (2026-01-31 11:23:52JST)  Solar Science Observatory NAOJ

P=-11.78, B0=-5.94, L0=262.76, radius=973.7"
obs radius= 967.1 (pixel), p_thresh=-0.075, u_thresh=-0.275

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                       10^-6 disk 10^-6 hemis. -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S15.39 W75.13,   0.274,      3.40,      6.22,       0.19
       2: pu   S14.11 W72.71,   0.312,     48.66,     77.99,       5.01
       3: p    S12.93 W53.09,   0.605,     20.42,     16.86,       2.43
       4: p    S13.70 W48.70,   0.662,      8.17,      6.17,       0.92
       5: p    S15.28 E24.37,   0.901,     11.57,      6.42,       1.49
       6: pu   S17.26 E57.52,   0.541,    155.52,    143.79,      28.18
       7: p    N14.07 E19.93,   0.882,      2.38,      1.35,       0.23
       8: p    N13.07 E59.31,   0.471,     15.31,     16.25,       1.41
       9: p    N14.37 E61.43,   0.435,     52.41,     60.23,       6.38
      10: p    N13.96 E57.52,   0.493,      5.10,      5.17,       0.38
      11: p    N21.21 E03.47,   0.888,     17.36,      9.77,       1.98
      12: p    N15.06 E63.85,   0.396,      6.81,      8.59,       0.51
      13: u  2 S14.23 W72.61,   0.314,      4.76,      7.60,       0.96
      14: u  6 S17.22 E57.51,   0.541,     36.75,     33.97,      12.85
     --------------------------------------------------------------------


dark:pcg20260131_092516_00 flat:pcg20260131_091934_01