2026-05-18 00:03:08UT (2026-05-18 09:03:08JST)  Solar Science Observatory NAOJ

P=-20.12, B0=-2.36, L0=292.65, radius=948.4"
obs radius= 939.3 (pixel), p_thresh=-0.105, u_thresh=-0.365

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------------
                                       10^-6 disk 10^-6 hemis. -10^-6 B_t Group
      No. p/u    position       cos(t)    ap_area    co_area    darkness    id
     --------------------------------------------------------------------------
       1: pu   S16.20 E41.61,   0.729,     20.20,     13.86,       3.84     3
       2: p    S15.57 E59.08,   0.506,      3.25,      3.21,       0.41     6
       3: p    S15.17 E59.67,   0.498,      3.97,      3.99,       0.44     6
       4: p    S14.96 E62.14,   0.462,      2.53,      2.73,       0.19     6
       5: pu   N18.78 W38.17,   0.730,    242.78,    166.17,      66.85     1
       6: pu   N18.99 W35.95,   0.751,     26.69,     17.76,       6.08     1
       7: pu   N08.06 E10.33,   0.967,    114.35,     59.10,      34.74     2
       8: p    N07.92 E11.25,   0.965,      3.97,      2.06,       0.70     2
       9: p    N08.93 E10.25,   0.965,      4.69,      2.43,       0.95     2
      10: pu   N07.70 E16.05,   0.946,     55.55,     29.36,      15.26     2
      11: pu   N08.41 E15.41,   0.947,     55.19,     29.15,      15.40     2
      12: pu   N06.02 E53.41,   0.588,     90.55,     77.00,      17.56     4
      13: p    N05.22 E60.99,   0.479,      9.38,      9.80,       0.90     4
      14: pu   N16.43 E56.02,   0.524,     37.88,     36.15,       6.09     5
      15: u  1 S16.25 E41.63,   0.728,      1.44,      0.99,       0.51     3
      16: u  5 N18.80 W38.13,   0.731,     61.69,     42.21,      32.05     1
      17: u  6 N19.05 W35.98,   0.751,      5.41,      3.60,       2.15     1
      18: u  7 N07.96 E10.32,   0.968,     22.01,     11.37,      11.08     2
      19: u  7 N08.33 E10.26,   0.967,      5.77,      2.98,       2.80     2
      20: u 10 N07.75 E16.15,   0.945,      9.74,      5.15,       4.78     2
      21: u 11 N08.29 E15.45,   0.947,      7.58,      4.00,       3.87     2
      22: u 11 N08.60 E15.16,   0.947,      2.16,      1.14,       0.98     2
      23: u 12 N06.00 E53.38,   0.588,     21.28,     18.09,       7.44     4
      24: u 14 N16.48 E56.04,   0.523,      6.49,      6.20,       1.97     5
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North      641.04   428.97    164.54
 
     South       29.94    23.79      4.89
 
     Whole      670.98   452.75    169.42
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N18.88 W37.34, 329.99,       4,       0, 0.738,  269.47,  183.94
       2: N08.21 E13.14, 279.50,      10,       1, 0.957,  233.76,  122.09
       3: S16.22 E41.62, 251.03,       2,       0, 0.729,   20.20,   13.86
       4: N05.74 E56.03, 236.62,       3,       0, 0.551,   99.93,   86.79
       5: N16.45 E56.03, 236.61,       2,       0, 0.524,   37.88,   36.15
       6: S15.25 E60.42, 232.23,       3,       0, 0.487,    9.74,    9.93
     ---------------------------------------------------------------------


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

     North      4          19          59

     South      2           5          25

     Whole      6          24          84

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

     Center     1          10          20


dark:pcg20260518_090435_00 flat:pcg20260518_085930_01