2024-02-20 02:21:49UT (2024-02-20 11:21:49JST)  Solar Science Observatory NAOJ

P=-18.85, B0=-7.00, L0=287.74, radius=970.3"
obs radius= 966.0 (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: p    S21.68 W72.62,   0.321,      4.09,      6.39,       0.31     1
       2: p    S13.11 W54.09,   0.595,      5.12,      4.30,       0.58     2
       3: p    S15.42 W47.06,   0.684,      3.07,      2.24,       0.35     2
       4: p    N25.00 E08.04,   0.839,      3.07,      1.83,       0.39     3
       5: pu   N26.75 E06.53,   0.826,    285.52,    172.88,      77.10     3
       6: p    N15.79 E59.35,   0.454,      5.80,      6.39,       0.48     4
       7: pu   N17.48 E70.56,   0.279,    260.96,    468.43,      26.32     4
       8: pu   N19.32 E60.58,   0.420,    551.94,    657.41,     114.01     4
       9: p    N18.03 E57.47,   0.470,      6.14,      6.54,       0.70     4
      10: u  5 N26.73 E06.52,   0.826,     73.68,     44.60,      37.39     3
      11: u  7 N17.09 E71.32,   0.268,      3.07,      5.73,       0.63     4
      12: u  7 N18.01 E69.83,   0.288,      6.14,     10.67,       1.35     4
      13: u  8 N19.32 E60.50,   0.421,    158.28,    188.02,      61.49     4
     --------------------------------------------------------------------------
    * = False spots


     ***** Observed Group Parameters ***** 
     ---------------------------------------------
      No.   position    Carr.Lon.      f    center
     ---------------------------------------------
       1:  S21.68 W72.62,   0.36,       1,       0
       2:  S14.18 W50.86, 338.59,       2,       0
       3:  N26.25 E06.95, 280.79,       3,       0
       4:  N18.01 E64.30, 223.44,       7,       0
     ---------------------------------------------


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

     North      2          10          30

     South      2           3          23

     Whole      4          13          53

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

     Center     0           0           0


dark:pcg20240220_112316_00 flat:pcg20240218_093746_01