2018-12-24 00:15:16UT (2018-12-24 09:15:16JST)  Solar Science Observatory NAOJ

P= +6.05, B0=-2.00, L0=313.63, radius=976.4"
obs radius= 976.2 (pixel), p_thresh=-0.085, u_thresh=-0.305

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S21.82 W86.33,   0.072,     74.82,    517.14,       7.12
     --------------------------------------------------------------------


dark:pcg20181224_091237_00 flat:pcg20181224_091330_01