2020-09-04 02:43:53UT (2020-09-04 11:43:53JST)  Solar Science Observatory NAOJ

P=+21.90, B0=+7.23, L0= 47.82, radius=952.3"
obs radius= 952.9 (pixel), p_thresh=-0.105, u_thresh=-0.365

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N31.08 W17.05,   0.877,      1.05,      0.60,       0.13
     --------------------------------------------------------------------


dark:pcg20200904_113900_00 flat:pcg20200904_114141_01