2015-05-21 07:35:47UT (2015-05-21 16:35:47JST)  Solar Observatory NAOJ

P=-19.22, B0=-2.00, L0=  1.54, radius=949.0"
obs radius= 950.9 (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    S06.15 W60.60,   0.491,     12.32,     12.53,       1.05
       2: pu   S10.95 W22.36,   0.914,    152.07,     83.18,      36.15
       3: p    N05.79 E33.02,   0.830,     16.54,      9.96,       2.35
       4: u  2 S10.90 W22.31,   0.914,     38.02,     20.79,      16.01
     --------------------------------------------------------------------


dark:pcg20150521_163239_00 flat:pcg20150521_163408_01