2017-02-07 00:15:24UT (2017-02-07 09:15:24JST)  Solar Observatory NAOJ

P=-14.59, B0=-6.42, L0=356.19, radius=973.7"
obs radius= 972.3 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    N03.33 E56.76,   0.537,     11.11,     10.34,       1.43
     --------------------------------------------------------------------


dark:pcg20170207_091155_00 flat:pcg20170207_091247_01