2026-02-22 02:09:13UT (2026-02-22 11:09:13JST)  Solar Science Observatory NAOJ

P=-19.60, B0=-7.08, L0=333.21, radius=969.7"
obs radius= 964.4 (pixel), p_thresh=-0.080, u_thresh=-0.290

     ***** Observed Sunspot Parameters *****
     --------------------------------------------------------------------
                                       10^-6 disk 10^-6 hemis. -10^-6 B_t
      No. p/u    position       cos(t)    ap_area    co_area    darkness 
     --------------------------------------------------------------------
       1: p    S19.77 E25.86,   0.882,      1.03,      0.58,       0.10
     --------------------------------------------------------------------


dark:pcg20260222_111040_00 flat:pcg20260222_090054_01