2018-05-05 00:11:24UT (2018-05-05 09:11:24JST)  Solar Science Observatory NAOJ

P=-23.38, B0=-3.79, L0=151.32, radius=952.3"
obs radius= 952.8 (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: p    S09.40 E50.51,   0.637,     39.27,     30.83,       7.43
     --------------------------------------------------------------------


dark:pcg20180505_090817_00 flat:pcg20180505_090912_01