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 disk 10^-6 hemis. -10^-6 B_t Group
      No. p/u    position       cos(t)    ap_area    co_area    darkness    id
     --------------------------------------------------------------------------
       1: p    S19.02 E17.04,   0.918,      3.33,      1.82,       0.42     2
       2: pu   S18.29 E18.09,   0.916,     97.66,     53.32,      29.20     2
       3: pu   S17.19 E10.48,   0.952,    272.97,    143.41,      81.26     2
       4: pu   S16.40 W13.27,   0.945,    494.94,    261.75,     188.21     1
       5: u  2 S18.34 E18.07,   0.916,     32.33,     17.66,      15.89     2
       6: u  3 S17.22 E10.50,   0.952,     76.66,     40.28,      40.43     2
       7: u  4 S16.43 W13.24,   0.945,    168.98,     89.37,     113.06     1
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North        0.00     0.00      0.00
 
     South      868.90   460.31    299.10
 
     Whole      868.90   460.31    299.10
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S16.41 W13.26, 344.04,       2,       1, 0.945,  494.94,  261.75
       2: S17.90 E13.93, 316.85,       5,       1, 0.936,  373.96,  198.55
     ---------------------------------------------------------------------


     *****   Relative Sunspot Numbers   ***** 
     ------------------------------------------
     Region     g           f         10*g + f 
     ------------------------------------------

     North      0           0           0

     South      2           7          27

     Whole      2           7          27

     ------------------------------------------

     Center     2           7          27


dark:pcg20201228_124359_00 flat:pcg20201228_124501_01