2019-05-18 04:02:39UT (2019-05-18 13:02:39JST)  Solar Science Observatory NAOJ

P=-20.16, B0=-2.36, L0=199.74, radius=949.6"
obs radius= 952.2 (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: pu   N05.86 W72.04,   0.302,    109.53,    181.19,      13.63
       2: u  1 N05.65 W71.91,   0.305,      7.37,     12.10,       1.95
       3: u  1 N05.89 W72.54,   0.294,      5.27,      8.96,       1.27
     --------------------------------------------------------------------


dark:pcg20190517_084329_00 flat:pcg20190517_084422_01