2021-05-15 02:57:47UT (2021-05-15 11:57:47JST)  Solar Science Observatory NAOJ

P=-20.87, B0=-2.66, L0=311.69, radius=950.1"
obs radius= 950.9 (pixel), p_thresh=-0.110, u_thresh=-0.380

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S22.88 W14.43,   0.909,      9.15,      5.03,       1.96
       2: p    N19.77 W43.14,   0.670,      3.87,      2.89,       0.54
       3: pu   N18.48 W23.73,   0.853,    135.17,     79.27,      33.71
       4: p    N17.93 W22.61,   0.863,      3.87,      2.24,       0.52
       5: u  3 N18.39 W24.10,   0.851,      5.98,      3.52,       2.70
       6: u  3 N18.49 W23.45,   0.854,     16.54,      9.68,       8.09
     --------------------------------------------------------------------


dark:pcg20210515_115338_00 flat:pcg20210515_115437_01