2019-04-21 00:03:51UT (2019-04-21 09:03:51JST)  Solar Science Observatory NAOJ

P=-25.56, B0=-5.16, L0=198.83, radius=955.9"
obs radius= 956.5 (pixel), p_thresh=-0.095, u_thresh=-0.335

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N04.89 W65.84,   0.399,     11.83,     14.84,       1.76
     --------------------------------------------------------------------


dark:pcg20190421_121815_00 flat:pcg20190421_121908_01