2020-08-17 01:00:09UT (2020-08-17 10:00:09JST)  Solar Science Observatory NAOJ

P=+16.80, B0=+6.75, L0=286.60, radius=948.6"
obs radius= 949.9 (pixel), p_thresh=-0.115, u_thresh=-0.395

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S30.18 E15.39,   0.769,      1.06,      0.69,       0.13
     --------------------------------------------------------------------


dark:pcg20200817_095442_00 flat:pcg20200817_095737_01