2025-05-15 00:43:51UT (2025-05-15 09:43:51JST)  Solar Science Observatory NAOJ

P=-20.89, B0=-2.67, L0=109.50, radius=949.0"
obs radius= 945.7 (pixel), p_thresh=-0.075, u_thresh=-0.275

     ***** 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    S09.44 W77.00,   0.229,     17.79,     38.80,       1.44     1
       2: p    N07.89 W43.49,   0.712,      8.90,      6.25,       1.34     2
       3: p    N09.62 W43.59,   0.706,     16.01,     11.35,       2.03     2
       4: p    N09.53 W42.92,   0.714,      2.14,      1.50,       0.24     2
       5: p    N09.56 W40.71,   0.739,      4.63,      3.13,       0.54     2
       6: p    N10.18 W40.67,   0.738,      3.56,      2.41,       0.46     2
       7: pu   N14.38 E49.54,   0.616,    344.85,    279.75,      80.72     3
       8: p    N14.80 E51.79,   0.585,     13.17,     11.25,       1.50     3
       9: p    N15.11 E51.62,   0.587,      3.56,      3.03,       0.37     3
      10: pu   N17.15 E55.77,   0.523,     83.99,     80.27,      16.38     3
      11: u  7 N14.38 E49.55,   0.616,     86.12,     69.88,      38.97     3
      12: u 10 N16.92 E55.67,   0.525,      9.61,      9.14,       3.23     3
      13: u 10 N17.34 E55.45,   0.527,      4.27,      4.05,       1.36     3
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
                10^-6 hemisphere  -10^-6 B_t
     Region     ap_area  co_area  darkness 
 
     North      480.80   398.94    103.58
 
     South       17.79    38.80      1.44
 
     Whole      498.60   437.74    105.02
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S09.44 W77.00, 186.50,       1,       0, 0.229,   17.79,   38.80
       2: N09.15 W42.35, 151.85,       5,       0, 0.721,   35.23,   24.64
       3: N15.59 E52.20,  57.30,       7,       0, 0.577,  445.57,  374.30
     ---------------------------------------------------------------------


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

     North      2          12          32

     South      1           1          11

     Whole      3          13          43

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

     Center     0           0           0


dark:pcg20250515_093753_00 flat:pcg20250515_094009_01