2021-02-20 00:21:15UT (2021-02-20 09:21:15JST)  Solar Science Observatory NAOJ

P=-19.05, B0=-7.02, L0=341.52, radius=971.3"
obs radius= 970.4 (pixel), p_thresh=-0.100, u_thresh=-0.350

     ***** 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    N20.31 E63.89,   0.367,      1.01,      1.38,       0.08     1
       2: p    N20.60 E65.04,   0.349,      3.04,      4.36,       0.29     1
     --------------------------------------------------------------------------
    * = False spots


     ***** Observed Group Parameters ***** 
     ---------------------------------------------
      No.   position    Carr.Lon.      f    center
     ---------------------------------------------
       1:  N20.48 E64.55, 276.97,       2,       0
     ---------------------------------------------


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

     North      1           2          12

     South      0           0           0

     Whole      1           2          12

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

     Center     0           0           0


dark:pcg20210220_092234_00 flat:pcg20210220_092336_01