28 Dec 1998, 01:32:37 (UT) P=+4.168, B0=-2.52, L0=197.4, radius=977.4" obs radius = 872.6 (pixel), RMS=61.10 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c No. position cos(t) ap_area co_area darkness --------------------------------------------------------------- 1: S24.35 E39.51, 0.720, 65.62, 45.55, 1055 2: S23.18 E34.94, 0.770, 438.47, 284.70, 17228 3: S23.14 E40.85, 0.712, 66.46, 46.66, 1130 4: S23.45 E37.86, 0.741, 24.24, 16.35, 256 5: S23.47 E39.63, 0.723, 4.59, 3.17, 44 6: N16.77 E11.83, 0.923, 29.67, 16.06, 385 7: N21.40 E21.80, 0.847, 32.18, 18.98, 447 8: N19.66 W22.89, 0.851, 102.82, 60.35, 3035 9: N20.26 W21.45, 0.857, 35.11, 20.48, 518 10: N26.25 E27.40, 0.776, 129.99, 83.75, 2350 11: N25.86 E29.25, 0.765, 0.83, 0.54, 7 12: N25.96 E29.14, 0.765, 0.83, 0.54, 8 13: N27.09 E22.38, 0.802, 472.75, 294.60, 16284 14: N22.66 W30.94, 0.773, 152.15, 98.31, 4176 15: N26.00 E24.26, 0.799, 2.08, 1.30, 19 16: N28.07 E29.80, 0.744, 223.21, 149.96, 4485 17: N27.70 E25.90, 0.775, 322.69, 208.12, 7568 18: N23.71 W26.22, 0.802, 94.04, 58.56, 1937 19: N28.09 E28.04, 0.757, 0.83, 0.55, 8 20: N26.82 W30.73, 0.746, 634.10, 424.73, 25297 21: N26.71 W25.58, 0.785, 681.75, 434.16, 29506 Umbra only 22: S23.12 E34.77, 0.771, 146.71, 95.03, 10190 23: N19.66 W22.92, 0.851, 23.40, 13.74, 1261 24: N22.59 W31.06, 0.773, 26.75, 17.29, 1355 25: N27.15 E22.45, 0.801, 147.13, 91.78, 9007 26: N27.34 E25.63, 0.779, 28.42, 18.22, 1446 27: N26.73 W25.49, 0.785, 300.12, 191.00, 20673 28: N26.87 W30.84, 0.745, 212.34, 142.47, 15561 --------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 2915.11 1871.09 96030 South 599.40 396.46 19713 Whole 3514.51 2267.55 115743 ---------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 4 22 62 South 1 6 16 Whole 5 28 78 ------------------------------------------ Center -1 -1 -11 Seeing -1