2021-05-23 00:36:56UT (2021-05-23 09:36:56JST)  Solar Science Observatory NAOJ

P=-18.50, B0=-1.74, L0=207.16, radius=948.6"
obs radius= 949.6 (pixel), p_thresh=-0.095, u_thresh=-0.335

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t Group
      No. p/u    position       cos(t)    ap_area    co_area    darkness    id
     --------------------------------------------------------------------------
       1: p    N18.25 E14.22,   0.911,     17.30,      9.50,       3.05     1
       2: p    N18.22 E14.90,   0.908,      1.06,      0.58,       0.13     1
       3: pu   N19.99 E13.21,   0.904,    383.71,    212.21,     119.46     1
       4: p    N19.78 E11.17,   0.912,     17.65,      9.67,       3.31     1
       5: p    N18.98 E15.20,   0.902,      9.88,      5.48,       1.57     1
       6: p    N21.76 E13.52,   0.891,      1.77,      0.99,       0.21     1
       7: p    N17.08 E67.87,   0.351,      6.00,      8.55,       0.67     2
       8: u  3 N19.92 E13.16,   0.905,    100.96,     55.80,      59.62     1
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-6 B_t
     Region     ap_area  co_area  darkness 
 
     North      437.37   246.98    128.39
 
     South        0.00     0.00      0.00
 
     Whole      437.37   246.98    128.39
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N19.86 E13.24, 193.92,       7,       1, 0.905,  431.37,  238.43
       2: N17.08 E67.87, 139.29,       1,       0, 0.351,    6.00,    8.55
     ---------------------------------------------------------------------


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

     North      2           8          28

     South      0           0           0

     Whole      2           8          28

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

     Center     1           7          17


dark:pcg20210523_142422_00 flat:pcg20210523_142524_01