2017-02-04 00:12:41UT (2017-02-04 09:12:41JST)  Solar Observatory NAOJ

P=-13.43, B0=-6.23, L0= 35.71, radius=974.2"
obs radius= 972.9 (pixel), p_thresh=-0.095, u_thresh=-0.335

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N15.56 W76.13,   0.200,      8.07,     20.14,       0.54
       2: p    N15.77 W52.61,   0.551,      1.68,      1.52,       0.16
       3: p    N15.07 W48.18,   0.612,      2.35,      1.92,       0.25
       4: p    N15.81 W44.92,   0.648,      3.03,      2.34,       0.33
     --------------------------------------------------------------------


dark:pcg20170204_132548_00 flat:pcg20170204_132640_01