2018-05-12 00:05:35UT (2018-05-12 09:05:35JST)  Solar Science Observatory NAOJ

P=-21.77, B0=-3.03, L0= 58.83, radius=950.8"
obs radius= 952.8 (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    N04.51 E24.95,   0.898,     14.73,      8.19,       2.91
     --------------------------------------------------------------------


dark:pcg20180511_091058_00 flat:pcg20180511_091153_01