2017-01-31 00:02:21UT (2017-01-31 09:02:21JST)  Solar Observatory NAOJ

P=-11.82, B0=-5.96, L0= 88.47, radius=974.8"
obs radius= 974.6 (pixel), p_thresh=-0.065, u_thresh=-0.245

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S04.96 W25.63,   0.902,     48.60,     26.93,       7.92
       2: p    S04.59 W23.20,   0.920,     34.85,     18.95,       3.62
       3: pu   N15.35 W23.41,   0.853,    118.64,     69.56,      26.52
       4: u  3 N15.35 W23.42,   0.853,     33.85,     19.85,      13.37
     --------------------------------------------------------------------


dark:pcg20170131_085921_00 flat:pcg20170131_090014_01