2018-01-18 00:32:16UT (2018-01-18 09:32:16JST)  Solar Science Observatory NAOJ

P= -6.03, B0=-4.83, L0=121.80, radius=976.2"
obs radius= 976.1 (pixel), p_thresh=-0.075, u_thresh=-0.275

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S12.89 W02.81,   0.989,     20.05,     10.13,       3.84
       2: p    S10.85 W01.96,   0.994,      2.00,      1.01,       0.22
     --------------------------------------------------------------------


dark:pcg20180116_091101_00 flat:pcg20180116_091154_01