2021-07-12 00:00:19UT (2021-07-12 09:00:19JST)  Solar Science Observatory NAOJ

P= +2.36, B0=+4.03, L0=265.74, radius=944.7"
obs radius= 945.3 (pixel), p_thresh=-0.085, u_thresh=-0.305

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S18.37 E29.50,   0.802,      9.26,      5.78,       1.47
       2: p    N23.23 E64.09,   0.428,      1.07,      1.25,       0.08
       3: pu   N23.97 E64.18,   0.426,     57.71,     67.80,       9.43
       4: u  3 N23.92 E64.19,   0.425,     13.18,     15.49,       3.99
     --------------------------------------------------------------------


dark:pcg20210712_085527_00 flat:pcg20210712_085629_01