2020-12-28 03:37:52UT (2020-12-28 12:37:52JST)  Solar Science Observatory NAOJ

P= +3.82, B0=-2.57, L0=330.78, radius=976.6"
obs radius= 977.3 (pixel), p_thresh=-0.090, u_thresh=-0.320

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S19.02 E17.04,   0.918,      3.33,      1.82,       0.42
       2: pu   S18.29 E18.09,   0.916,     97.66,     53.32,      29.20
       3: pu   S17.19 E10.48,   0.952,    272.97,    143.41,      81.26
       4: pu   S16.40 W13.27,   0.945,    494.94,    261.75,     188.21
       5: u  2 S18.34 E18.07,   0.916,     32.33,     17.66,      15.89
       6: u  3 S17.22 E10.50,   0.952,     76.66,     40.28,      40.43
       7: u  4 S16.43 W13.24,   0.945,    168.98,     89.37,     113.06
     --------------------------------------------------------------------


dark:pcg20201228_124359_00 flat:pcg20201228_124501_01