2018-04-28 00:13:02UT (2018-04-28 09:13:02JST)  Solar Science Observatory NAOJ

P=-24.63, B0=-4.49, L0=243.82, radius=954.0"
obs radius= 953.4 (pixel), p_thresh=-0.110, u_thresh=-0.380

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N02.43 W38.53,   0.776,      1.05,      0.68,       0.12
     --------------------------------------------------------------------


dark:pcg20180428_090828_00 flat:pcg20180428_090923_01