2018-07-21 03:48:35UT (2018-07-21 12:48:35JST)  Solar Science Observatory NAOJ

P= +6.26, B0=+4.88, L0=210.44, radius=945.2"
obs radius= 946.4 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N15.40 E11.22,   0.965,      6.75,      3.50,       0.87
     --------------------------------------------------------------------


dark:pcg20180721_124404_00 flat:pcg20180721_124459_01