2018-05-22 00:06:09UT (2018-05-22 09:06:09JST)  Solar Science Observatory NAOJ

P=-18.91, B0=-1.89, L0=286.55, radius=948.8"
obs radius= 949.4 (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    N17.10 E63.74,   0.413,     17.31,     20.95,       2.35
       2: p    N16.81 E67.64,   0.354,      1.41,      1.99,       0.14
     --------------------------------------------------------------------


dark:pcg20180522_090343_00 flat:pcg20180522_090438_01