2021-05-31 06:20:03UT (2021-05-31 15:20:03JST)  Solar Science Observatory NAOJ

P=-15.63, B0=-0.76, L0= 98.15, radius=947.2"
obs radius= 947.6 (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    S31.01 E29.99,   0.749,      5.32,      3.55,       0.53     2
       2: pu   N11.66 E23.19,   0.897,    127.27,     70.90,      32.66     1
       3: pu   N11.11 E27.96,   0.864,     23.75,     13.74,       5.99     1
       4: p    N11.52 E27.39,   0.867,      2.48,      1.43,       0.28     1
       5: p    N12.46 E24.03,   0.889,      2.13,      1.20,       0.25     1
       6: p    N11.67 E29.21,   0.852,      2.48,      1.46,       0.28     1
       7: p    N11.80 E29.44,   0.850,      4.25,      2.50,       0.54     1
       8: p    N12.69 E27.97,   0.859,      2.13,      1.24,       0.24     1
       9: u  2 N11.68 E23.28,   0.897,     34.39,     19.17,      14.77     1
      10: u  3 N11.10 E27.96,   0.864,      7.09,      4.10,       2.98     1
     --------------------------------------------------------------------------
    * = False spots


     ***** Observed Group Parameters ***** 
     ---------------------------------------------
      No.   position    Carr.Lon.      f    center
     ---------------------------------------------
       1:  N11.76 E25.89,  72.27,       9,       1
       2:  S31.01 E29.99,  68.16,       1,       0
     ---------------------------------------------


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

     North      1           9          19

     South      1           1          11

     Whole      2          10          30

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

     Center     1           9          19


dark:pcg20210531_151746_00 flat:pcg20210531_151848_01