2017-02-19 02:48:32UT (2017-02-19 11:48:32JST)  Solar Observatory NAOJ

P=-18.77, B0=-6.99, L0=196.78, radius=971.5"
obs radius= 971.3 (pixel), p_thresh=-0.070, u_thresh=-0.260

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N10.64 E14.59,   0.922,      1.01,      0.55,       0.10
     --------------------------------------------------------------------


dark:pcg20170219_114557_00 flat:pcg20170219_114649_01