2018-03-01 01:39:35UT (2018-03-01 10:39:35JST)  Solar Science Observatory NAOJ

P=-21.50, B0=-7.22, L0=288.13, radius=969.3"
obs radius= 968.9 (pixel), p_thresh=-0.085, u_thresh=-0.305

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N06.95 W41.19,   0.726,      3.73,      2.57,       0.41
     --------------------------------------------------------------------


dark:pcg20180301_132828_00 flat:pcg20180301_132920_01