2017-05-04 02:37:56UT (2017-05-04 11:37:56JST)  Solar Science Observatory NAOJ

P=-23.51, B0=-3.85, L0=300.75, radius=952.5"
obs radius= 953.5 (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: pu   N10.77 W14.56,   0.936,    138.63,     74.04,      31.43
       2: pu   N12.33 W10.10,   0.945,     65.81,     34.81,      12.94
       3: u  1 N10.75 W14.66,   0.936,     26.96,     14.40,      11.76
       4: u  2 N12.40 W10.09,   0.945,      8.75,      4.63,       3.13
     --------------------------------------------------------------------


dark:pcg20170504_113537_00 flat:pcg20170504_113632_01