2019-05-30 00:26:51UT (2019-05-30 09:26:51JST)  Solar Science Observatory NAOJ

P=-16.27, B0=-0.97, L0= 42.97, radius=947.5"
obs radius= 946.5 (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    N10.36 W18.73,   0.928,      1.42,      0.77,       0.24
     --------------------------------------------------------------------


dark:pcg20190530_092300_00 flat:pcg20190530_092354_01