18 Dec 2025, 00:59:07 (UT) P=+8.721, B0=-1.28, L0=123.0, radius=976.8" obs radius = 873.0 (pixel), RMS=107.0 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: S25.52 W74.20, 0.255, 23.38, 45.82, 546 1 2: S16.40 W71.74, 0.306, 12.11, 19.73, 249 2 3: S16.00 W69.92, 0.336, 39.25, 58.40, 948 2 4: S14.55 W77.14, 0.220, 40.50, 91.65, 991 2 5: N1.658 E3.761, 0.996, 76.42, 38.34, 2552 4 6: N2.318 E4.043, 0.995, 2.50, 1.25, 46 4 7: N3.877 W1.234, 0.995, 63.89, 32.08, 2834 4 8: N1.914 W54.72, 0.576, 3.34, 2.89, 60 3 9: N18.46 E73.26, 0.265, 18.79, 35.32, 392 5 Umbra only 10: N3.796 W1.338, 0.995, 7.51, 3.77, 690 4 --------------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 164.95 109.91 5884 South 115.26 215.61 2734 Whole 280.22 325.53 8618 ---------------------------------------- ***** Observed Group Parameters ***** --------------------------------------------------------------------- No. position Carr.Lon. f center cos(t) ap_area co_area --------------------------------------------------------------------- 1: S25.53 W74.21, 197.23, 1, 0, 0.255, 23.39, 45.82 2: S15.46 W73.51, 196.53, 3, 0, 0.279, 91.88, 169.79 3: N1.915 W54.73, 177.75, 1, 0, 0.576, 3.34, 2.90 4: N2.798 E1.287, 121.74, 4, 1, 0.997, 142.83, 71.69 5: N18.47 E73.26, 49.76, 1, 0, 0.266, 18.79, 35.33 --------------------------------------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 3 6 36 South 2 4 24 Whole 5 10 60 ------------------------------------------ Center 1 4 14 Seeing 3