2023-12-31 02:34:58UT (2023-12-31 11:34:58JST)  Solar Science Observatory NAOJ

P= +2.74, B0=-2.83, L0=239.16, radius=975.5"
obs radius= 969.7 (pixel), p_thresh=-0.085, u_thresh=-0.305

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t Group
      No. p/u    position       cos(t)    ap_area    co_area    darkness    id
     --------------------------------------------------------------------------
       1: pu   S19.55 W63.33,   0.439,    220.36,    250.97,      48.68     1
       2: pu   S13.20 E18.54,   0.933,    108.32,     58.04,      24.15     3
       3: pu   S13.49 E13.91,   0.954,     86.66,     45.40,      18.83     3
       4: p    S12.84 E20.55,   0.923,      1.02,      0.55,       0.12     3
       5: p    S12.46 E14.65,   0.954,      2.03,      1.06,       0.23     3
       6: p    N14.69 W62.45,   0.434,      4.74,      5.46,       0.49     2
       7: u  1 S19.63 W63.31,   0.439,     75.15,     85.57,      27.69     1
       8: u  3 S13.41 E13.58,   0.956,      7.45,      3.90,       3.05     3
       9: u  2 S12.94 E18.60,   0.934,      6.43,      3.44,       2.74     3
     --------------------------------------------------------------------------
    * = False spots


     ***** Observed Group Parameters ***** 
     ---------------------------------------------
      No.   position    Carr.Lon.      f    center
     ---------------------------------------------
       1:  S19.58 W63.32, 302.49,       2,       0
       2:  N14.69 W62.45, 301.62,       1,       0
       3:  S13.11 E16.72, 222.45,       6,       1
     ---------------------------------------------


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

     North      1           1          11

     South      2           8          28

     Whole      3           9          39

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

     Center     1           6          16


dark:pcg20231231_113624_00 flat:pcg20231231_113122_01