2021-04-23 02:21:18UT (2021-04-23 11:21:18JST)  Solar Science Observatory NAOJ

P=-25.27, B0=-4.93, L0=242.83, radius=955.2"
obs radius= 954.5 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** 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   S27.67 W13.93,   0.896,     68.82,     38.39,      14.26     1
       2: p    S23.27 W22.70,   0.878,      4.89,      2.78,       0.80     1
       3: p    S23.84 W21.28,   0.884,      4.89,      2.77,       0.62     1
       4: p    S22.02 W23.88,   0.877,     44.02,     25.10,       7.30     1
       5: p    S26.87 W13.52,   0.903,      1.40,      0.77,       0.15     1
       6: p    S22.33 W21.66,   0.889,     13.63,      7.66,       1.92     1
       7: p    S20.81 W24.83,   0.876,      3.84,      2.19,       0.43     1
       8: p    S22.66 W18.22,   0.906,      8.04,      4.43,       1.30     1
       9: pu   S16.59 E38.61,   0.771,    105.16,     68.23,      26.04     2
      10: u  1 S27.71 W14.01,   0.896,      9.08,      5.07,       3.50     1
      11: u  9 S16.60 E38.58,   0.771,     29.00,     18.81,      13.16     2
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-6 B_t
     Region     ap_area  co_area  darkness 
 
     North        0.00     0.00      0.00
 
     South      254.69   152.34     52.82
 
     Whole      254.69   152.34     52.82
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S24.34 W19.12, 261.94,       9,       1, 0.893,  149.53,   84.11
       2: S16.59 E38.60, 204.22,       2,       0, 0.771,  105.16,   68.23
     ---------------------------------------------------------------------


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

     North      0           0           0

     South      2          11          31

     Whole      2          11          31

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

     Center     1           9          19


dark:pcg20210423_111822_00 flat:pcg20210423_111921_01