2025-11-18 04:58:46UT (2025-11-18 13:58:46JST)  Solar Science Observatory NAOJ

P=+20.41, B0=+2.47, L0=156.14, radius=970.3"
obs radius= 966.1 (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    S08.42 W18.10,   0.933,     80.82,     43.31,      12.89
       2: p    S08.36 W19.86,   0.923,      8.87,      4.80,       0.99
       3: p    S06.60 W17.09,   0.944,      1.02,      0.54,       0.10
       4: p    S06.97 W23.61,   0.903,    195.41,    108.15,      34.40
     --------------------------------------------------------------------


dark:pcg20251117_090352_00 flat:pcg20251117_090554_01