2021-04-11 00:29:38UT (2021-04-11 09:29:38JST)  Solar Science Observatory NAOJ

P=-26.19, B0=-5.91, L0= 42.31, radius=958.4"
obs radius= 958.8 (pixel), p_thresh=-0.090, u_thresh=-0.320

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S22.00 E33.72,   0.806,     11.43,      7.09,       1.61
     --------------------------------------------------------------------


dark:pcg20210411_092708_00 flat:pcg20210411_092810_01