13 May 2026, 00:49:41 (UT) P=-21.48, B0=-2.92, L0=358.4, radius=951.4" obs radius = 853.3 (pixel), RMS=133.8 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------------- 10^-6 disk 10^-6 hemis. -10^-2 I_c Group No. position cos(t) ap_area co_area darkness id --------------------------------------------------------------------- 1: S17.06 W52.11, 0.601, 27.10, 22.53, 890 2 2: N15.00 W78.07, 0.186, 63.38, 170.23, 1951 1 3: N23.49 W39.82, 0.683, 73.44, 53.75, 2780 3 4: N18.75 W15.95, 0.892, 5.68, 3.18, 144 4 5: N19.81 W18.88, 0.871, 1.74, 1.00, 38 4 6: N20.72 W17.51, 0.872, 4.80, 2.75, 175 4 7: N16.60 E28.50, 0.826, 10.05, 6.08, 281 5 8: N18.90 E27.52, 0.821, 517.60, 315.08, 25726 5 9: N17.64 E27.64, 0.827, 5.24, 3.16, 119 5 Umbra only 10: N18.77 E26.68, 0.828, 27.97, 16.88, 3038 5 11: N19.00 E28.23, 0.815, 35.41, 21.71, 3691 5 --------------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 disk 10^-6 hemis. -10^-2 I_c Region ap_area co_area darkness North 681.97 555.26 31214 South 27.10 22.53 890 Whole 709.08 577.80 32104 ---------------------------------------- ***** Observed Group Parameters ***** --------------------------------------------------------------------- No. position Carr.Lon. f center cos(t) ap_area co_area --------------------------------------------------------------------- 1: N15.01 W78.07, 76.46, 1, 0, 0.186, 63.39, 170.23 2: S17.07 W52.11, 50.50, 1, 0, 0.601, 27.10, 22.54 3: N23.50 W39.82, 38.22, 1, 0, 0.683, 73.44, 53.76 4: N19.73 W17.31, 15.70, 3, 1, 0.880, 12.24, 6.94 5: N18.22 E27.60, 330.79, 5, 0, 0.825, 532.91, 324.33 --------------------------------------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 4 10 50 South 1 1 11 Whole 5 11 61 ------------------------------------------ Center 1 3 13 Seeing 3