18 Apr 2021, 01:21:02 (UT) P=-25.78, B0=-5.37, L0=309.5, radius=957.3" obs radius = 856.3 (pixel), RMS=148.7 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c Group No. position cos(t) ap_area co_area darkness id --------------------------------------------------------------------- 1: S26.05 E50.01, 0.615, 11.72, 9.51, 448 2 2: S22.97 E44.45, 0.690, 19.96, 14.45, 895 2 3: S21.27 E42.77, 0.714, 3.03, 2.12, 79 2 4: N20.64 E28.63, 0.784, 1.30, 0.82, 28 1 --------------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 1.30 0.82 28 South 34.72 26.09 1422 Whole 36.02 26.92 1450 ---------------------------------------- ***** Observed Group Parameters ***** --------------------------------------------------------------------- No. position Carr.Lon. f center cos(t) ap_area co_area --------------------------------------------------------------------- 1: N20.64 E28.63, 280.85, 1, 0, 0.785, 1.30, 0.83 2: S23.74 E46.31, 263.17, 3, 0, 0.667, 34.73, 26.09 --------------------------------------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 1 1 11 South 1 3 13 Whole 2 4 24 ------------------------------------------ Center 0 0 0 Seeing 3