2022-01-31 00:03:54UT (2022-01-31 09:03:54JST)  Solar Science Observatory NAOJ

P=-11.73, B0=-5.93, L0=107.46, radius=974.8"
obs radius= 974.0 (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: pu   S24.83 W61.34,   0.476,    108.39,    113.78,      23.97
       2: p    S16.31 E78.72,   0.216,     17.78,     41.22,       1.21
       3: pu   S15.42 E72.69,   0.313,    152.34,    243.54,      27.07
       4: p    N15.47 W12.93,   0.907,      1.68,      0.93,       0.18
       5: pu   N17.00 W11.30,   0.903,   1038.22,    575.19,     329.84
       6: p    N15.77 W08.84,   0.918,      2.01,      1.10,       0.23
       7: pu   N17.50 W04.01,   0.915,    863.06,    471.53,     247.20
       8: p    N17.27 W06.58,   0.913,      6.71,      3.68,       0.79
       9: p    N17.59 W07.39,   0.909,     22.15,     12.18,       4.05
      10: p    N18.18 W08.89,   0.901,      3.36,      1.86,       0.38
      11: pu   N17.37 E71.20,   0.275,     23.49,     42.69,       2.44
      12: u  1 S24.84 W61.38,   0.476,     36.91,     38.79,      13.74
      13: u  3 S15.47 E72.63,   0.314,     48.99,     78.06,      14.88
      14: u  5 N17.16 W11.70,   0.900,    271.13,    150.61,     165.61
      15: u  5 N16.67 W09.30,   0.911,     15.44,      8.47,       5.70
      16: u  7 N17.45 W04.00,   0.916,    252.68,    138.00,     124.31
      17: u 11 N17.27 E71.22,   0.275,      1.01,      1.83,       0.20
     --------------------------------------------------------------------


dark:pcg20220131_090429_00 flat:pcg20220131_084441_01