2017-12-21 02:14:51UT (2017-12-21 11:14:51JST)  Solar Science Observatory NAOJ

P= +7.32, B0=-1.67, L0=129.62, radius=976.2"
obs radius= 975.7 (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: p    N16.05 E43.73,   0.686,     23.74,     17.30,       2.62
       2: p    N16.41 E41.61,   0.709,      4.68,      3.30,       0.49
       3: p    N17.44 E45.99,   0.654,     10.37,      7.93,       1.17
       4: p    N17.38 E44.99,   0.666,      2.01,      1.51,       0.19
       5: pu   N18.50 E46.00,   0.649,     31.77,     24.47,       5.44
       6: p    N17.82 E42.24,   0.696,      3.68,      2.64,       0.37
       7: p    N18.81 E43.91,   0.672,     12.71,      9.45,       1.88
       8: u  5 N18.55 E45.97,   0.649,      4.35,      3.35,       1.32
     --------------------------------------------------------------------


dark:pcg20171221_111154_00 flat:pcg20171221_111246_01