2026-04-19 04:04:07UT (2026-04-19 13:04:07JST)  Solar Science Observatory NAOJ

P=-25.71, B0=-5.30, L0=313.74, radius=955.1"
obs radius= 943.6 (pixel), p_thresh=-0.085, u_thresh=-0.305

     ***** 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   S18.24 W60.81,   0.490,    102.61,    104.69,      18.63     1
       2: pu   N14.16 W04.22,   0.940,    605.30,    321.88,     203.35     2
       3: p    N13.28 W01.50,   0.948,     52.20,     27.54,       8.51     2
       4: p    N13.59 W02.14,   0.946,     24.67,     13.05,       4.80     2
       5: pu   N14.33 E04.02,   0.940,    434.04,    230.99,     115.14     2
       6: p    N12.63 E05.12,   0.948,      7.87,      4.15,       1.00     2
       7: p    N12.86 E05.64,   0.946,      5.36,      2.84,       0.74     2
       8: u  1 S18.23 W60.81,   0.490,     27.17,     27.72,       9.08     1
       9: u  2 N14.15 W04.25,   0.940,    176.98,     94.11,     110.18     2
      10: u  5 N13.61 E05.13,   0.942,     26.10,     13.85,      11.37     2
      11: u  5 N14.57 E03.76,   0.938,     62.93,     33.53,      33.11     2
      12: u  5 N14.26 E04.64,   0.939,     10.37,      5.52,       4.55     2
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North     1129.44   600.45    333.54
 
     South      102.61   104.69     18.63
 
     Whole     1232.06   705.15    352.17
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: S18.23 W60.81,  14.56,       2,       0, 0.490,  102.61,  104.69
       2: N13.81 E00.35, 313.39,      10,       1, 0.945, 1129.44,  600.45
     ---------------------------------------------------------------------


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

     North      1          10          20

     South      1           2          12

     Whole      2          12          32

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

     Center     1          10          20


dark:pcg20260419_095928_00 flat:pcg20260419_105249_01