2017-09-21 02:19:58UT (2017-09-21 11:19:58JST)  Solar Science Observatory NAOJ

P=+24.98, B0=+7.08, L0=249.46, radius=956.5"
obs radius= 957.2 (pixel), p_thresh=-0.120, u_thresh=-0.410

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   S13.89 E71.11,   0.282,     83.02,    147.05,      14.08
       2: pu   N08.47 W67.61,   0.392,     61.83,     78.86,      10.71
       3: u  1 S13.89 E71.06,   0.283,     18.76,     33.13,       6.39
       4: u  2 N08.51 W67.53,   0.393,     12.51,     15.90,       4.23
     --------------------------------------------------------------------


dark:pcg20170921_111755_00 flat:pcg20170921_111847_01