17 Apr 2000, 01:18:30 (UT) P=-25.89, B0=-5.42, L0=37.46, radius=957.5" obs radius = 855.4 (pixel), RMS=82.13 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c No. position cos(t) ap_area co_area darkness --------------------------------------------------------------- 1: S18.54 W67.16, 0.396, 65.24, 82.32, 1459 2: S17.79 W24.02, 0.894, 38.27, 21.39, 731 3: S17.82 W19.93, 0.919, 4.78, 2.60, 65 4: S16.12 W20.89, 0.919, 30.88, 16.79, 652 5: S13.26 W22.25, 0.918, 41.32, 22.49, 1225 6: S21.56 E0.347, 0.960, 635.96, 331.04, 37557 7: S20.81 E4.075, 0.961, 39.14, 20.35, 676 8: S22.68 E9.443, 0.942, 33.92, 18.00, 614 9: S21.95 E8.462, 0.948, 51.32, 27.05, 1147 10: S23.02 E11.10, 0.936, 10.43, 5.57, 150 11: S19.81 E4.200, 0.966, 2.17, 1.12, 27 12: S21.16 E10.21, 0.947, 331.46, 174.87, 16184 13: N11.85 W45.35, 0.665, 210.97, 158.56, 7028 14: N19.49 W61.64, 0.414, 26.09, 31.51, 471 15: N17.81 E0.287, 0.918, 3.04, 1.65, 40 16: N30.87 W6.157, 0.801, 2.17, 1.35, 27 17: N31.20 W6.066, 0.797, 2.17, 1.36, 27 18: N14.90 E34.57, 0.767, 1.30, 0.84, 16 19: N15.12 E35.17, 0.760, 16.52, 10.86, 307 20: N22.33 E35.85, 0.710, 130.06, 91.53, 4753 21: N18.22 E48.28, 0.599, 3.04, 2.53, 39 22: N33.59 E18.33, 0.734, 56.98, 38.77, 1670 23: N33.54 E19.92, 0.727, 0.86, 0.59, 11 24: N33.15 E21.00, 0.726, 0.86, 0.59, 11 Umbra only 25: S13.25 W22.26, 0.918, 1.30, 0.71, 77 26: S21.51 E0.324, 0.960, 243.16, 126.54, 23695 27: S21.20 E10.17, 0.947, 105.26, 55.53, 9081 28: N11.74 W45.23, 0.667, 30.01, 22.49, 2287 29: N22.30 E35.82, 0.710, 25.66, 18.05, 1901 30: N33.68 E18.24, 0.734, 1.30, 0.88, 76 --------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 454.13 340.20 14400 South 1284.98 723.64 60487 Whole 1739.12 1063.84 74887 ---------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 8 15 95 South 3 15 45 Whole 11 30 140 ------------------------------------------ Center -1 -1 -11 Seeing -1