2017-12-25 03:08:17UT (2017-12-25 12:08:17JST)  Solar Science Observatory NAOJ

P= +5.40, B0=-2.17, L0= 76.44, radius=976.4"
obs radius= 974.9 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** 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   N17.48 W07.84,   0.933,    122.57,     65.70,      24.23     1
       2: p    N17.02 W06.52,   0.938,      2.01,      1.07,       0.21     1
       3: pu   N17.45 W10.99,   0.924,    167.44,     90.56,      38.48     1
       4: pu   N16.87 W17.51,   0.901,     30.81,     17.10,       6.09     1
       5: u  1 N17.23 W07.88,   0.934,      1.34,      0.72,       0.46     1
       6: u  3 N17.37 W11.15,   0.924,     26.79,     14.49,      11.29     1
       7: u  4 N16.86 W17.56,   0.901,      1.00,      0.56,       0.33     1
       8: u  1 N17.93 W07.79,   0.930,      6.03,      3.24,       2.32     1
     --------------------------------------------------------------------------
    * = False spots
     ----------------------------------------
           10^-6 disk 10^-6 hemis. -10^-6 B_t
     Region   ap_area   co_area    darkness
 
     North      322.83   174.43     69.01
 
     South        0.00     0.00      0.00
 
     Whole      322.83   174.43     69.01
 
     ----------------------------------------


     ***** Observed Group Parameters ***** 
     ---------------------------------------------------------------------
      No.   position    Carr.Lon.      f    center cos(t) ap_area  co_area
     ---------------------------------------------------------------------
       1: N17.38 W11.41,  87.85,       8,       1, 0.923,  322.83,  174.43
     ---------------------------------------------------------------------


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

     North      1           8          18

     South      0           0           0

     Whole      1           8          18

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

     Center     1           8          18


dark:pcg20171225_120325_00 flat:pcg20171225_120417_01