2020-09-04 02:43:53UT (2020-09-04 11:43:53JST)  Solar Science Observatory NAOJ

P=+21.90, B0=+7.23, L0= 47.82, radius=952.3"
obs radius= 952.9 (pixel), p_thresh=-0.105, u_thresh=-0.365

     ***** 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    N31.08 W17.05,   0.877,      1.05,      0.60,       0.13     1
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North        1.05     0.60      0.13
 
     South        0.00     0.00      0.00
 
     Whole        1.05     0.60      0.13
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N31.08 W17.05,  64.87,       1,       1, 0.877,    1.05,    0.60
     ---------------------------------------------------------------------


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

     North      1           1          11

     South      0           0           0

     Whole      1           1          11

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

     Center     1           1          11


dark:pcg20200904_113900_00 flat:pcg20200904_114141_01