Comet 19P/Borrelly

2001:
Aug. 11.11: m1 = 11.3 (+/-0.1) Dia. 1.2' , DC = 4 , 84x256 L, Ablis (Fr.)
Aug. 12.12: m1 = 11.1 (+/-0.2) Dia. 1.5' , DC = 4 , 84x256 L, Ablis (Fr.)
Aug. 18.12: m1 = 10.7 (+/-0.1) Dia. 1.3' , DC = 4 , 84x256 L, Ablis (Fr.)
Aug. 18.13: m1 = 10.7 (+/-0.2) Dia. 1.2' , DC = 4 , 42x256 L, Ablis (Fr.)
Aug. 26.13: m1 = 10.4 (+/-0.2) Dia. 1.5' , DC = 5 , 95x203 L, Noordwijk(NL)
Aug. 28.13: m1 = 10.9 (+/-0.2) Dia. 1.3' , DC = 6 , 48x203 L, Noordwijk(NL)
Aug. 29.12: m1 = 10.5 (+/-0.1) Dia. 1.5' , DC = 6 , 48x203 L, Noordwijk(NL)
Sep. 01.14: m1 = 10.8 (+/-0.1) Dia. 1.5' , DC = 5 , 42x256 L, Ablis (Fr.)
Sep. 15.10: m1 = 10.5 (+/-0.1) Dia. 2.0' , DC = 6 , 42x256 L, Ablis (Fr.)
Sep. 16.16: m1 = 10.5 (+/-0.1) Dia. 1.5' , DC = 6 , 42x256 L, Versail.(Fr.)
Sep. 22.17: m1 = 10.7 (+/-0.2) Dia. 1.5' , DC = 5 , 48x203 L, Noordwijk(NL)
Sep. 23.16: m1 = 10.5 (+/-0.2) Dia. 1.5' , DC = 6 , 48x203 L, Noordwijk(NL)
Sep. 30.15: m1 = 10.7 (+/-0.1) Dia. 2.0' , DC = 6 , 42x256 L, Ablis (Fr.)
Oct. 12.17: m1 = 10.4 (+/-0.2) Dia. 1.5' , DC = 5 , 48x203 L, Noordwijk(NL)
Oct. 16.15: m1 = 10.7 (+/-0.2) Dia. 1.5' , DC = 5 , 48x203 L, Noordwijk(NL)
Oct. 16.20: m1 = 10.9 (+/-0.2) Dia. 1.6' , DC = 5 , 48x203 L, Noordwijk(NL)
Oct. 24.15: m1 = 11.2 (+/-0.1) Dia. 1.2' , DC = 4 , 48x203 L, Noordwijk(NL)
Oct. 26.16: m1 = 11.0 (+/-0.2) Dia. 1.4' , DC = 4 , 48x203 L, Noordwijk(NL)
Oct. 28.16: m1 = 10.7 (+/-0.2) Dia. 1.8' , DC = 5 , 42x256 L, Poigny-(Fr.)
Nov. 10.03: m1 = 11.1:(+/-0.2) Dia. 1' , DC = 4 , 84x256 L, Poigny-(Fr.)
Nov. 11.04: m1 = 11.2:(+/-0.2) Dia. 1' , DC = 4 , 84x256 L, Poigny-(Fr.)
Nov. 17.18: m1 = 11.2 (+/-0.2) Dia. 1.5' , DC = 5 , 42x256 L, Poigny-(Fr.)
Nov. 20.16: m1 = 11.5 (+/-0.1) Dia. 1.3' , DC = 3 , 95x203 L, Noordwijk(NL)
Nov. 23.08: m1 = 11.5 (+/-0.1) Dia. 1.4' , DC = 3 , 95x203 L, Noordwijk(NL)
Dec. 07.63: m1 = 12.0 (+/-0.2) Dia. 2.5' , DC = 4 , 40x203 L, MaunaKea(USA)
Dec. 08.63: m1 = 11.9 (+/-0.2) Dia. 3.0' , DC = 3 , 40x203 L, MaunaKea(USA)
Dec. 11.63: m1 = 12.1 (+/-0.3) Dia. 2.6' , DC = 4 , 40x203 L, HalePohaku(USA)
Dec. 18.03: m1 = 11.9 (+/-0.1) Dia. 2.0' , DC = 4 , 48x203 L, Noordwijk(NL)
Dec. 18.04: m1 = 11.9 (+/-0.1) Dia. 2.0' , DC = 4 , 95x203 L, Noordwijk(NL)

Aug. 18.13: 1' jet in PA=90; m2=13.7+-0.2 (169x256 L)
Aug. 29.13: 1' jet in PA=80, tail in PA 275; m2=12.8+-0.2 (95x203 L)
Sep. 01.14: 1' jet in PA=85, tail in PA 275; m2=13.2+-0.2 (169x256 L)
Sep. 15.11: 1' jet in PA=85 and 130, tail in PA 270; m2=13.3+-0.2 (169x256 L)
Sep. 16.17: 1' jet in PA=85 and 120; m2=13.6+-0.2 (169x256 L)
Sep. 23.16: m2=13.5+-0.2 (95x203 L)
Sep. 30.16: 1' jet in PA=95 and 65, tail in PA 280; m2=13.8+-0.2 (169x256 L)
Oct. 28.17: m2=13.7+-0.1 (169x256 L), main jet PA 110 curving to 95.
Oct. 16.20: m2=13.8+-0.3 (95x203 L)
Drawing:

Sep. 30.16: Drawing w/ 169x256 L (7x10' FOV)	10 Nov. 1994 / 30 Sep. 2001: Drawings w/133x203 SCT/ 169x256 L (8x13' FOV)