2018-01-10 00:02:26UT (2018-01-10 09:02:26JST)  Solar Science Observatory NAOJ

P= -2.26, B0=-4.01, L0=227.41, radius=976.6"
obs radius= 974.9 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S31.73 W16.65,   0.850,      9.04,      5.32,       1.28
       2: p    S07.84 W32.75,   0.841,      2.34,      1.39,       0.25
       3: p    S07.62 W30.60,   0.860,      6.36,      3.70,       0.77
     --------------------------------------------------------------------


dark:pcg20180110_085854_00 flat:pcg20180110_085947_01