2017-12-27 00:10:29UT (2017-12-27 09:10:29JST)  Solar Science Observatory NAOJ

P= +4.50, B0=-2.40, L0= 51.72, radius=976.5"
obs radius= 975.7 (pixel), p_thresh=-0.060, u_thresh=-0.230

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N17.25 W31.35,   0.802,     16.05,     10.00,       1.48
     --------------------------------------------------------------------


dark:pcg20171227_102544_00 flat:pcg20171227_102637_01