2019-04-19 00:17:28UT (2019-04-19 09:17:28JST)  Solar Science Observatory NAOJ

P=-25.75, B0=-5.33, L0=225.12, radius=956.4"
obs radius= 957.3 (pixel), p_thresh=-0.075, u_thresh=-0.275

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   N06.09 W75.39,   0.240,    165.70,    345.40,      24.88
       2: p    N04.95 W36.96,   0.785,     33.00,     21.03,       5.48
       3: p    N05.09 W33.76,   0.816,     24.32,     14.89,       4.16
       4: u  1 N06.02 W75.48,   0.239,     40.99,     85.91,      11.54
     --------------------------------------------------------------------


dark:pcg20190418_083404_00 flat:pcg20190418_083458_01