2021-10-21 02:51:16UT (2021-10-21 11:51:16JST)  Solar Science Observatory NAOJ

P=+25.81, B0=+5.39, L0=  9.92, radius=964.7"
obs radius= 967.2 (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: pu   S19.11 E36.24,   0.728,    208.92,    143.48,      51.42
       2: u  1 S19.05 E36.23,   0.728,     65.67,     45.08,      28.32
     --------------------------------------------------------------------


dark:pcg20211020_090210_00 flat:pcg20211020_085455_01