2013-02-25 00:10:13UT (2013-02-25 09:10:13JST)  Solar Observatory NAOJ

P=-20.50, B0=-7.15, L0=322.65, radius=970.2"
obs radius= 968.3 (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: p    S18.38 W24.63,   0.895,     32.25,     18.01,       4.99
       2: p    S29.70 E48.54,   0.632,     25.46,     20.13,       3.61
       3: p    S28.85 E50.40,   0.614,      6.79,      5.53,       0.66
       4: p    N15.85 E73.24,   0.241,     22.07,     45.72,       1.77
     --------------------------------------------------------------------


dark:pcg20130225_095407_00 flat:pcg20130225_095645_01