2020-04-30 00:27:33UT (2020-04-30 09:27:33JST)  Solar Science Observatory NAOJ

P=-24.22, B0=-4.25, L0=288.93, radius=953.4"
obs radius= 953.5 (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   S08.68 W19.90,   0.938,     47.97,     25.56,       9.03
       2: p    S08.28 W17.18,   0.953,     20.31,     10.65,       3.86
       3: u  1 S08.66 W19.93,   0.938,      4.20,      2.24,       1.46
     --------------------------------------------------------------------


dark:pcg20200430_092145_00 flat:pcg20200430_092439_01