2020-12-17 02:25:11UT (2020-12-17 11:25:11JST)  Solar Science Observatory NAOJ

P= +9.05, B0=-1.20, L0=116.35, radius=975.9"
obs radius= 976.2 (pixel), p_thresh=-0.095, u_thresh=-0.335

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S15.63 E34.52,   0.799,      2.00,      1.25,       0.21
       2: pu   S15.27 E34.11,   0.804,     31.73,     19.73,       7.25
       3: p    S14.86 E37.36,   0.773,      6.01,      3.89,       0.78
       4: u  2 S15.27 E34.11,   0.804,      6.35,      3.95,       2.58
     --------------------------------------------------------------------


dark:pcg20201217_112238_00 flat:pcg20201217_112340_01