2021-04-30 02:31:49UT (2021-04-30 11:31:49JST)  Solar Science Observatory NAOJ

P=-24.25, B0=-4.26, L0=150.24, radius=953.4"
obs radius= 953.5 (pixel), p_thresh=-0.090, u_thresh=-0.320

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                          10^-6 hemisphere     -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: pu   S20.36 W75.44,   0.261,     28.36,     54.34,       3.21
       2: p    S19.78 W75.50,   0.260,      1.05,      2.02,       0.06
       3: p    S20.65 W63.20,   0.447,      8.40,      9.40,       0.99
       4: p    S23.26 W53.80,   0.570,      3.15,      2.76,       0.34
       5: pu   S15.53 W54.11,   0.583,     30.46,     26.12,       5.55
       6: u  1 S20.37 W75.40,   0.262,      3.85,      7.36,       0.89
       7: u  5 S15.48 W54.11,   0.583,      5.25,      4.50,       1.72
     --------------------------------------------------------------------


dark:pcg20210430_112933_00 flat:pcg20210430_113039_01