2020-11-21 00:00:59UT (2020-11-21 09:00:59JST)  Solar Science Observatory NAOJ

P=+19.48, B0=+2.10, L0=100.30, radius=972.1"
obs radius= 972.5 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** 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: pu   S22.54 E28.68,   0.796,    219.78,    138.11,      48.64     1
       2: p    N32.05 E42.32,   0.646,      8.41,      6.52,       1.04     2
       3: u  1 S22.54 E28.60,   0.796,     39.72,     24.94,      17.31     1
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North        8.41     6.52      1.04
 
     South      219.78   138.11     48.64
 
     Whole      228.19   144.63     49.68
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S22.54 E28.65,  71.65,       2,       0, 0.796,  219.78,  138.11
       2: N32.05 E42.32,  57.97,       1,       0, 0.646,    8.41,    6.52
     ---------------------------------------------------------------------


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

     North      1           1          11

     South      1           2          12

     Whole      2           3          23

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

     Center     0           0           0


dark:pcg20201121_085451_00 flat:pcg20201121_085746_01