2021-07-13 08:06:21UT (2021-07-13 17:06:21JST)  Solar Science Observatory NAOJ

P= +2.95, B0=+4.16, L0=248.04, radius=944.8"
obs radius= 945.6 (pixel), p_thresh=-0.115, u_thresh=-0.395

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S18.14 E11.58,   0.906,      1.78,      0.98,       0.28
       2: p    S16.73 W19.17,   0.881,      3.20,      1.82,       0.57
       3: pu   N24.06 E47.09,   0.650,     93.62,     72.06,      23.34
       4: u  3 N24.04 E47.10,   0.650,     21.00,     16.17,       9.88
     --------------------------------------------------------------------


dark:pcg20210713_102928_00 flat:pcg20210713_103028_01