2019-05-16 06:26:02UT (2019-05-16 15:26:02JST)  Solar Science Observatory NAOJ

P=-20.70, B0=-2.58, L0=224.88, radius=950.0"
obs radius= 951.3 (pixel), p_thresh=-0.105, u_thresh=-0.365

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   N05.87 W46.50,   0.679,    275.07,    202.44,      65.33
       2: u  1 N05.59 W46.30,   0.683,     20.05,     14.69,       9.02
       3: u  1 N05.91 W46.91,   0.674,     27.44,     20.35,      12.63
       4: u  1 N06.19 W45.97,   0.685,      8.09,      5.90,       3.07
     --------------------------------------------------------------------


dark:pcg20190516_152300_00 flat:pcg20190516_152353_01