2016-01-02 01:42:53UT (2016-01-02 10:42:53JST)  Solar Observatory NAOJ

P= +1.81, B0=-3.07, L0=260.15, radius=976.7"
obs radius= 974.4 (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: p    S20.70 W80.64,   0.171,     26.49,     77.50,       2.30
       2: p    S21.00 W75.89,   0.246,      8.38,     17.00,       0.66
       3: p    S10.60 E61.23,   0.482,      6.71,      6.95,       0.63
       4: p    N12.28 E74.90,   0.243,     68.73,    141.49,       6.56
     --------------------------------------------------------------------


dark:pcg20160102_151445_00 flat:pcg20160102_151625_01