18 Feb 2001, 02:24:06 (UT) P=-18.44, B0=-6.96, L0=303.9, radius=972.5" obs radius = 871.0 (pixel), RMS=115.0 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c No. position cos(t) ap_area co_area darkness --------------------------------------------------------------- 1: S22.81 W0.177, 0.961, 39.85, 20.71, 1173 2: S22.70 E0.665, 0.962, 1.25, 0.65, 24 3: S21.54 E2.861, 0.966, 1.67, 0.86, 31 4: S26.26 E46.14, 0.670, 23.49, 17.52, 505 5: S25.99 E46.48, 0.667, 0.83, 0.62, 15 6: S9.233 E15.95, 0.961, 138.03, 71.78, 5763 7: S9.000 E20.73, 0.935, 105.31, 56.26, 3514 8: N18.16 W11.45, 0.886, 182.51, 102.93, 8528 9: N28.32 W32.14, 0.682, 20.13, 14.75, 485 10: N19.51 E45.38, 0.616, 11.32, 9.18, 232 Umbra only 11: S9.196 E15.95, 0.961, 5.45, 2.83, 468 12: N18.18 W11.46, 0.886, 21.39, 12.06, 1988 --------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 213.98 126.87 9245 South 310.48 168.44 11025 Whole 524.46 295.32 20270 ---------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 3 4 34 South 3 8 38 Whole 6 12 72 ------------------------------------------ Center -1 -1 -11 Seeing -1