23 Sep 2001, 00:58:41 (UT) P=+25.24, B0=+7.02, L0=317.6, radius=957.9" obs radius = 858.2 (pixel), RMS=142.4 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c No. position cos(t) ap_area co_area darkness --------------------------------------------------------------- 1: S19.30 E42.89, 0.645, 1003.44, 776.91, 48627 2: S21.35 E41.04, 0.652, 26.36, 20.19, 717 3: S20.39 E29.55, 0.766, 438.19, 285.78, 20427 4: S21.66 E29.71, 0.755, 1.29, 0.85, 29 5: S17.73 E39.64, 0.690, 4.75, 3.44, 112 6: S17.80 E39.36, 0.693, 0.86, 0.62, 19 7: S19.86 E26.56, 0.793, 172.42, 108.67, 6945 8: S18.56 E29.54, 0.779, 16.42, 10.53, 543 9: S20.08 E25.23, 0.801, 46.67, 29.12, 1324 10: S18.23 E24.48, 0.819, 76.48, 46.66, 2376 11: S20.10 E18.65, 0.840, 46.23, 27.49, 1427 12: S17.63 E21.20, 0.844, 377.26, 223.29, 14146 13: S19.42 E20.06, 0.838, 4.75, 2.83, 111 14: S19.40 E18.63, 0.846, 3.45, 2.04, 77 15: S18.34 E15.90, 0.867, 20.31, 11.70, 625 16: S18.33 E15.41, 0.869, 2.59, 1.49, 64 17: S15.75 E16.48, 0.882, 80.81, 45.77, 3363 18: S14.78 E17.78, 0.882, 44.51, 25.21, 1341 19: N9.052 E76.94, 0.240, 3.45, 7.18, 76 20: S0.999 E16.21, 0.950, 3.45, 1.81, 75 21: N2.654 E15.29, 0.961, 104.14, 54.13, 3751 22: N21.06 E74.44, 0.292, 35.00, 59.86, 1026 23: N2.572 W0.857, 0.996, 280.02, 140.45, 16889 24: N14.14 W6.805, 0.985, 437.76, 222.10, 25503 25: N12.56 W11.11, 0.977, 292.12, 149.47, 15166 26: S10.22 W62.69, 0.426, 22.47, 26.34, 633 27: N15.14 W4.952, 0.986, 8.64, 4.38, 206 28: N15.41 W5.087, 0.985, 0.86, 0.43, 20 29: S8.303 W60.31, 0.468, 29.38, 31.34, 943 30: S10.26 W74.21, 0.243, 13.82, 28.35, 325 31: N23.76 W5.150, 0.953, 1.29, 0.67, 27 32: N25.75 W3.155, 0.945, 79.51, 42.04, 2581 33: N13.25 W29.03, 0.872, 100.25, 57.44, 3755 34: N12.70 W30.32, 0.862, 33.27, 19.28, 1063 35: N25.39 W4.619, 0.946, 16.85, 8.90, 442 36: N12.24 W31.74, 0.850, 38.02, 22.35, 1341 37: N14.78 W30.46, 0.858, 146.92, 85.58, 6412 38: N13.25 W32.87, 0.839, 26.79, 15.95, 817 39: N12.60 W36.58, 0.804, 440.35, 273.71, 19456 40: N8.799 W43.37, 0.731, 1.72, 1.18, 42 41: N13.26 W36.51, 0.804, 0.86, 0.53, 19 42: N9.740 W46.90, 0.688, 16.42, 11.91, 433 Umbra only 43: S19.76 E42.31, 0.649, 87.29, 67.21, 10326 44: S20.38 E29.90, 0.763, 2.16, 1.41, 220 45: S20.24 E28.80, 0.773, 11.23, 7.26, 1175 46: N2.602 W0.838, 0.996, 43.21, 21.67, 5355 47: N14.24 W6.871, 0.985, 63.09, 32.02, 7118 48: N12.61 W11.15, 0.976, 28.08, 14.37, 3086 49: N14.84 W30.49, 0.858, 2.16, 1.25, 219 50: N12.76 W37.45, 0.795, 8.21, 5.16, 860 --------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 2064.35 1177.64 99025 South 2436.00 1710.53 104249 Whole 4500.35 2888.17 203274 ---------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 8 26 106 South 4 24 64 Whole 12 50 170 ------------------------------------------ Center -1 -1 -11 Seeing -1 Spot 20 is included in a northern sunspot group with spot 21.