2018-10-21 00:20:11UT (2018-10-21 09:20:11JST)  Solar Science Observatory NAOJ

P=+25.84, B0=+5.42, L0= 77.17, radius=964.6"
obs radius= 964.4 (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    S06.84 W46.68,   0.667,      1.37,      1.03,       0.18
     --------------------------------------------------------------------


dark:pcg20181021_125330_00 flat:pcg20181021_125423_01