2026-02-28 03:13:02UT (2026-02-28 12:13:02JST)  Solar Science Observatory NAOJ

P=-21.27, B0=-7.20, L0=253.60, radius=968.4"
obs radius= 958.0 (pixel), p_thresh=-0.095, u_thresh=-0.335

     ***** 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   S20.75 E63.25,   0.462,    101.27,    109.61,      15.82     4
       2: p    S19.41 E55.80,   0.568,     23.58,     20.77,       3.25     4
       3: p    S20.09 E64.06,   0.451,      3.81,      4.23,       0.28     4
       4: p    S19.85 E60.94,   0.496,      4.16,      4.20,       0.35     4
       5: p    S19.04 E55.80,   0.568,      1.04,      0.92,       0.09     4
       6: p    S16.07 E45.69,   0.701,      4.51,      3.22,       0.50     2
       7: p    N22.45 W21.86,   0.803,      1.04,      0.65,       0.13     1
       8: p    N22.66 W21.99,   0.801,      1.04,      0.65,       0.12     1
       9: pu   N07.13 E73.72,   0.260,    123.81,    237.70,      16.46     5
      10: p    N14.22 E44.66,   0.653,     15.61,     11.95,       2.25     3
      11: pu   N16.07 E45.35,   0.635,    492.48,    387.61,     144.32     3
      12: p    N14.72 E54.84,   0.521,      1.04,      1.00,       0.09     3
      13: u  1 S20.68 E63.27,   0.462,     16.65,     18.03,       4.77     4
      14: u  9 N06.64 E73.69,   0.262,      7.98,     15.21,       1.88     5
      15: u  9 N07.51 E73.70,   0.260,     14.57,     28.05,       3.43     5
      16: u 11 N16.04 E45.35,   0.635,    157.80,    124.17,      80.30     3
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North      635.02   639.55    163.38
 
     South      138.38   142.95     20.28
 
     Whole      773.40   782.50    183.66
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N22.56 W21.93, 275.53,       2,       0, 0.802,    2.08,    1.30
       2: S16.07 E45.69, 207.91,       1,       0, 0.701,    4.51,    3.22
       3: N15.49 E47.65, 205.95,       4,       0, 0.611,  509.13,  400.55
       4: S20.09 E60.69, 192.91,       6,       0, 0.499,  133.87,  139.73
       5: N07.10 E73.71, 179.89,       3,       0, 0.261,  123.81,  237.70
     ---------------------------------------------------------------------


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

     North      3           9          39

     South      2           7          27

     Whole      5          16          66

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

     Center     0           0           0


dark:pcg20260228_121429_00 flat:pcg20260228_090231_01