2013-02-24 00:01:31UT (2013-02-24 09:01:31JST)  Solar Observatory NAOJ

P=-20.22, B0=-7.13, L0=335.90, radius=970.4"
obs radius= 969.2 (pixel), p_thresh=-0.060, u_thresh=-0.230

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   S18.61 W11.63,   0.961,     78.96,     41.09,      11.95
       2: pu   N12.77 W65.21,   0.378,     49.82,     65.84,       4.86
       3: u  1 S18.57 W11.63,   0.961,      3.39,      1.76,       0.95
       4: u  2 N12.70 W65.06,   0.381,      2.37,      3.11,       0.46
     --------------------------------------------------------------------


dark:pcg20130224_085611_00 flat:pcg20130224_085919_01