17 Feb 1998, 01:08:43 (UT) P=-18.02, B0=-6.91, L0=23.72, radius=972.7" obs radius = 868.0 (pixel), RMS=64.05 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c No. position cos(t) ap_area co_area darkness --------------------------------------------------------------- 1: S25.12 W14.19, 0.922, 957.30, 518.90, 52296 2: S27.08 W9.343, 0.926, 9.70, 5.24, 106 3: S27.53 W7.545, 0.928, 35.90, 19.34, 568 4: S25.41 W7.624, 0.940, 201.50, 107.14, 6865 5: S24.45 W10.04, 0.939, 94.62, 50.35, 1646 6: S25.74 W5.746, 0.941, 58.30, 30.94, 1242 7: S24.06 W5.780, 0.950, 291.50, 153.27, 9243 8: S21.78 E11.62, 0.947, 60.82, 32.10, 925 9: S20.35 E6.364, 0.966, 28.72, 14.85, 433 10: N21.73 E20.88, 0.816, 74.34, 45.50, 1796 11: N22.99 E25.53, 0.777, 54.92, 35.31, 1002 Umbra only 12: S25.16 W14.27, 0.921, 479.48, 260.06, 39730 13: S25.38 W7.618, 0.940, 54.92, 29.19, 3338 14: S24.15 W5.600, 0.950, 70.54, 37.10, 4408 15: N21.73 E20.88, 0.817, 2.94, 1.80, 139 --------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 129.26 80.81 2798 South 1738.36 932.16 73324 Whole 1867.62 1012.99 76122 ---------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North -1 3 -7 South -1 12 2 Whole -1 15 5 ------------------------------------------ Center -1 -1 -11 Seeing -1