Comet C/1999 T1 (McNaught-Hartley)

2000:
Dec. 31.24: m1 = 7.7 (+/-0.2) Dia. 6.0' , DC = 5 , 7x50 B, Versai.(Fr.)
Dec. 31.24: m1 = 7.9 (+/-0.2) Dia. 4.0' , DC = 5 , 42x256 L, Versai.(Fr.)
2001:
Jan. 03.61: m1 = 7.9 (+/-0.2) Dia. 8.0' , DC = 5 , 16x50 R, Hale-P.(HI)
Jan. 03.61: m1 = 7.9 (+/-0.1) Dia. 7.0' , DC = 5 , 40x203 L, Hale-P.(HI)
Jan. 04.63: m1 = 7.8 (+/-0.2) Dia. 7.0' , DC = 6 , 40x203 L, MaunaK.(HI)
Jan. 05.63: m1 = 8.0 (+/-0.2) Dia. 8.0' , DC = 5 , 16x50 R, MaunaK.(HI)
Jan. 05.64: m1 = 7.9 (+/-0.1) Dia. 7.0' , DC = 6 , 40x203 L, MaunaK.(HI)
Jan. 06.62: m1 = 7.8 (+/-0.1) Dia. 7.0' , DC = 5 , 16x50 R, MaunaK.(HI)
Jan. 06.62: m1 = 7.8 (+/-0.1) Dia. 7.0' , DC = 6 , 40x203 L, MaunaK.(HI)
Jan. 07.63: m1 = 7.9 (+/-0.1) Dia. 9.0' , DC = 5 , 10x50 R, MaunaK.(HI)
Jan. 13.25: m1 = 8.2 (+/-0.1) Dia. 5' , DC = 6 , 42x256 L, Versai.(Fr.)
Jan. 14.25: m1 = 8.3 (+/-0.1) Dia. 5' , DC = 5 , 42x256 L, Versai.(Fr.)
Jan. 23.21: m1 = 8.0 (+/-0.1) Dia. 6' , DC = 5 , 7x50 B, Versai.(Fr.)
Jan. 23.22: m1 = 8.0 (+/-0.1) Dia. 5' , DC = 4 , 42x256 L, Versai.(Fr.)
Jan. 26.25: m1 = 8.6:(+/-0.2) Dia. 5' , DC = 4 , 42x256 L, Versai.(Fr.)
Jan. 27.22: m1 = 8.1 (+/-0.2) Dia. 7' , DC = 5 , 7x50 B, Versai.(Fr.)
Jan. 27.21: m1 = 8.3 (+/-0.1) Dia. 5' , DC = 5 , 42x256 L, Versai.(Fr.)
Feb. 01.21: m1 = 8.7:(+/-0.2) Dia. 5' , DC = 5 , 42x256 L, Versai.(Fr.)
Feb. 05.19: m1 = 8.9:(+/-0.2) Dia. 5' , DC = 4 , 42x256 L, Versai.(Fr.)
Feb. 10.23: m1 = 8.9:(+/-0.1) Dia. 4' , DC = 4 , 42x256 L, Versai.(Fr.)
Feb. 14.22: m1 = 8.8:(+/-0.2) Dia. 4' , DC = 4 , 42x256 L, Versai.(Fr.)
Feb. 16.15: m1 = 9.2:(+/-0.2) Dia. 3.5' , DC = 3 , 42x256 L, Versai.(Fr.) Sky-Beurk
Feb. 19.14: m1 =< 9.3:(+/-0.1) Dia. 3' , DC = 3 , 42x256 L, Poigny-(Fr.) Sky-Beurk
Feb. 21.15: m1 = 9.2 (+/-0.1) Dia. 4.5' , DC = 4 , 42x256 L, Versai.(Fr.)
Feb. 24.18: m1 = 9.6:(+/-0.1) Dia. 3' , DC = 4 , 42x256 L, Versai.(Fr.)
Feb. 26.14: m1 = 9.2 (+/-0.2) Dia. 6' , DC = 3 , 7x50 B, Poigny-(Fr.)
Feb. 26.15: m1 = 9.3 (+/-0.2) Dia. 6' , DC = 4 , 42x256 L, Poigny-(Fr.)
Mar. 16.04: m1 = 10.4:(+/-0.2) Dia. 2.5' , DC = 3 , 42x256 L, Versai.(Fr.)
Mar. 17.21: m1 = 10.2 (+/-0.2) Dia. 3' , DC = 2 , 42x256 L, Versai.(Fr.)
Mar. 27.19: m1 = 11.4:(+/-0.2) Dia. 2.5' , DC = 3 , 84x256 L, Versai.(Fr.)
Mar. 30.17: m1 = 11.2 (+/-0.2) Dia. 2' , DC = 3 , 84x256 L, Versai.(Fr.)
Mar. 31.11: m1 = 11.5 (+/-0.2) Dia. 2' , DC = 4 , 84x256 L, Versai.(Fr.)
Apr. 01.12: m1 = 11.3 (+/-0.1) Dia. 2.5' , DC = 4 , 42x256 L, Poigny-(Fr.)
Apr. 03.17: m1 = 11.6 (+/-0.2) Dia. 2.0' , DC = 2 , 84x256 L, Versai.(Fr.)
Apr. 11.94: m1 = 11.7 (+/-0.1) Dia. 1.5' , DC = 2 , 42x256 L, Poigny-(Fr.)
Apr. 11.94: m1 = 11.9 (+/-0.1) Dia. 1.5' , DC = 2 , 84x256 L, Poigny-(Fr.)
Apr. 13.91: m1 = 11.9 (+/-0.1) Dia. 2.0' , DC = 3 , 84x256 L, Poigny-(Fr.)
May 11.96: m1 = 12.7 (+/-0.2) Dia. 1.0' , DC = 3 , 84x256 L, Poigny-(Fr.)
May 11.96: m1 = 12.8 (+/-0.2) Dia. 1.2' , DC = 3 , 169x256 L, Poigny-(Fr.)
May 19.97: m1 = 12.5 (+/-0.2) Dia. 1.3' , DC = 5 , 79x203 L, Cenac (Fr.)
May 21.10: m1 = 12.9 (+/-0.2) Dia. 1.0' , DC = 5 , 159x203 L, Cenac (Fr.)

Dec. 31.25: 9.0' tail in PA=300; m2=12.8+-0.2 (169x256 L)
Jan. 03.60: 9' ion tail in PA=290; 15' dust tail in PA=230; m2=13.2+-0.2 (159x203 L)
Jan. 04.63:15' ion tail in PA=280; 10' dust tail in PA=240; m2=12.2+-0.4 (159x203 L)
Jan. 05.64:12' ion tail in PA=290; 12' dust tail in PA=250; m2=13.2+-0.2 (159x203 L)
Jan. 06.62:20' ion tail in PA=290; 10' dust tail in PA=250; m2=13.4+-0.3 (159x203 L)
Jan. 23.22: m2=12.9+-0.1 (169x256 L)
Jan. 27.23: m2=12.6+-0.2 (169x256 L)
Feb. 01.22: m2=13.0+-0.1 (169x256 L)
Feb. 10.25: m2=14.5+-0.3:(169x256 L)
Feb. 14.23: m2=13.3+-0.2 (169x256 L)
Feb. 21.17: m2=13.6+-0.2 (169x256 L)
Feb. 24.20: m2=13.7+-0.1 (169x256 L)
Feb. 26.15: m2=13.6+-0.2 (169x256 L); 14' dust tail in PA=270;
Apr. 01.13: m2=14.9+-0.3 (169x256 L); 5' tail in PA=280;
Drawings:

Jan. 03.6: Drawing w/ 40x203 L (35x35' FOV)	Jan. 05.6: Drawing w/ 40x203 L (35x35' FOV)