2018-08-19 04:18:58UT (2018-08-19 13:18:58JST)  Solar Science Observatory NAOJ

P=+17.33, B0=+6.82, L0=186.67, radius=948.9"
obs radius= 951.8 (pixel), p_thresh=-0.090, u_thresh=-0.320

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S06.97 E57.04,   0.522,      3.16,      3.03,       0.36
       2: p    S06.71 E54.22,   0.563,      3.51,      3.12,       0.39
       3: p    S07.13 W05.18,   0.966,      4.57,      2.36,       0.83
     --------------------------------------------------------------------


dark:pcg20180819_104458_00 flat:pcg20180819_104551_01