2020-01-31 00:00:01UT (2020-01-31 09:00:01JST)  Solar Science Observatory NAOJ

P=-11.52, B0=-5.90, L0= 35.79, radius=974.9"
obs radius= 975.0 (pixel), p_thresh=-0.095, u_thresh=-0.335

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   N02.28 W55.96,   0.552,     29.47,     26.67,       5.98
       2: p    N01.93 W54.47,   0.574,      2.34,      2.04,       0.24
       3: u  1 N02.29 W55.95,   0.552,      7.03,      6.36,       2.52
     --------------------------------------------------------------------


dark:pcg20200131_085317_00 flat:pcg20200131_085610_01