19 Apr 2001, 23:59:23 (UT) P=-25.65, B0=-5.19, L0=221.0, radius=956.8" obs radius = 858.3 (pixel), RMS=124.3 10^-4 I_c ***** Observed Sunspot Parameters ***** --------------------------------------------------------------- 10^-6 hemisphere -10^-2 I_c No. position cos(t) ap_area co_area darkness --------------------------------------------------------------- 1: S19.79 E25.74, 0.874, 77.77, 44.45, 3854 2: S20.47 E30.00, 0.839, 54.87, 32.67, 1750 3: N8.319 W5.255, 0.968, 178.87, 92.37, 8690 4: N19.66 W26.75, 0.806, 70.42, 43.63, 2421 5: N18.79 W22.29, 0.843, 28.94, 17.16, 859 6: N7.457 E4.001, 0.973, 95.91, 49.27, 3748 7: N8.708 E7.981, 0.961, 124.00, 64.50, 4661 8: N12.47 E7.809, 0.943, 4.32, 2.28, 87 9: N11.09 E53.88, 0.558, 1.72, 1.54, 36 10: N14.69 E59.41, 0.467, 463.16, 495.61, 19780 11: N17.26 E56.92, 0.492, 2.59, 2.63, 53 12: N16.56 E68.46, 0.324, 28.08, 43.25, 639 13: N20.22 E73.40, 0.235, 117.08, 248.44, 3659 Umbra only 14: S19.78 E25.68, 0.875, 8.64, 4.93, 847 15: N8.365 W5.288, 0.967, 18.57, 9.59, 1845 16: N14.06 E59.39, 0.469, 19.87, 21.15, 1915 --------------------------------------------------------------- * = False spots ---------------------------------------- 10^-6 hemisphere -10^-2 I_c Region ap_area co_area darkness North 1115.14 1060.73 44633 South 132.64 77.13 5604 Whole 1247.79 1137.87 50237 ---------------------------------------- ***** Relative Sunspot Numbers ***** ------------------------------------------ Region g f 10*g + f ------------------------------------------ North 4 13 53 South 1 3 13 Whole 5 16 66 ------------------------------------------ Center -1 -1 -11 Seeing -1