Comet C/1997 J2 (MEUNIER-DUPOUY)

Nov. 02.3: m1 = 11.7 (+/-0.2) Dia. 1.5', DC = 6, 84x256 L, Dilli. (HI)
Nov. 23.23:m1 = 11.7 (+/-0.3) Dia. 2', DC = 5, 84x256 L, Silva (HI)
Nov. 30.21:m1 = 11.6 (+/-0.2) Dia. 1.5', DC = 3, 84x256 L, Dilli. (HI)
Dec. 27.26:m1 = 11.8 (+/-0.3) Dia. 2', DC = 2, 84x256 L, Silva (HI)
Dec. 28.23:m1 = 11.7 (+/-0.2) Dia. 1.5', DC = 4, 84x256 L, Dilli. (HI)
Feb. 26.66:m1 = 11.5 (+/-0.3) Dia. 1.5', DC = 3, 84x256 L, Koko-H.(HI)
Mar. 04.64:m1 = 11.3 (+/-0.2) Dia. 1.5', DC = 2, 84x256 L, Koko-H.(HI)
Mar. 08.64:m1 = 11.6 (+/-0.2) Dia. 1.5', DC = 3, 84x256 L, Koko-H.(HI)
Mar. 09.65:m1 = 11.7 (+/-0.2) Dia. 1.5', DC = 4, 84x256 L, Koko-H.(HI)
Apr. 26.59:m1 = 11.9 (+/-0.2) Dia. 1.5', DC = 4, 84x256 L, Dilli. (HI)
Apr. 28.60:m1 = 11.7 (+/-0.2) Dia. 1.8', DC = 4,84x42x256 L, Koko-H.(HI)
May 24.53:m1 = 11.5 (+/-0.1) Dia. 1.5', DC = 3, 42x256 L, Dilli. (HI)
May 26.52:m1 = 11.4 (+/-0.2) Dia. 1.5', DC = 4, 42x256 L, Dilli. (HI)
May 30.56:m1 = 11.7 (+/-0.2) Dia. 1.5', DC = 4, 42x256 L, Dilli. (HI)
May 31.57:m1 = 11.7 (+/-0.2) Dia. 1.5', DC = 5, 42x256 L, Dilli. (HI)
June 1.51:m1 = 11.8 (+/-0.2) Dia. 1', DC = 5, 84x256 L, Koko-H.(HI)
June 4.59:m1 = 11.4 (+/-0.2) Dia. 1.5', DC = 5, 42x256 L, Koko-H.(HI)
June 17.47:m1 = 11.5 (+/-0.2) Dia. 1.7', DC = 4, 42x256 L, Silva (HI)
June 20.52:m1 = 11.4 (+/-0.1) Dia. 1.8', DC = 4, 42x256 L, Silva (HI)
June 25.48:m1 = 11.5 (+/-0.2) Dia. 1.8', DC = 3, 42x256 L, Dilli. (HI)
June 27.56:m1 = 11.3 (+/-0.1) Dia. 2', DC = 3, 42x256 L, Dilli. (HI)
June 28.44:m1 = 11.4 (+/-0.1) Dia. 1.5', DC = 3, 42x256 L, Dilli. (HI)
June 30.52:m1 = 11.7 (+/-0.2) Dia. 1.8', DC = 4, 42x256 L, Dilli. (HI)
July 02.50:m1 = 11.5 (+/-0.2) Dia. 1.8', DC = 5, 42x256 L, Dilli. (HI)
July 03.59:m1 = 11.4 (+/-0.1) Dia. 2', DC = 3, 42x256 L, Koko-H.(HI)
July 25.45:m1 = 11.4 (+/-0.1) Dia. 2', DC = 4, 42x256 L, Silva (HI)
July 26.37:m1 = 11.5 (+/-0.1) Dia. 1.7', DC = 3, 42x256 L, Dilli. (HI)
July 27.51:m1 = 11.4 (+/-0.1) Dia. 1.7', DC = 4, 42x256 L, Koko-H.(HI)
July 30.57:m1 = 11.5 (+/-0.2) Dia. 1.8', DC = 4, 42x256 L, Dilli. (HI)
Aug. 02.57:m1 = 11.5 (+/-0.2) Dia. 1.8', DC = 3, 42x256 L, Koko-H.(HI)
Aug. 04.55:m1 = 11.3 (+/-0.2) Dia. 1.7', DC = 4, 42x256 L, Koko-H.(HI)
Aug. 13.30:m1 = 11.4 (+/-0.2) Dia. 2.0', DC = 5, 42x256 L, Koko-H.(HI)
Aug. 15.34:m1 = 11.4 (+/-0.2) Dia. 2.0', DC = 5, 42x256 L, Dilli.(HI)
Aug. 16.34:m1 = 11.3 (+/-0.2) Dia. 2.0', DC = 4, 42x256 L, Dilli.(HI)
Aug. 19.34:m1 = 11.4 (+/-0.3) Dia. 1.7', DC = 5, 42x256 L, Koko-H.(HI)
Aug. 20.34:m1 = 11.1 (+/-0.2) Dia. 2.0', DC = 6, 42x256 L, Dilli.(HI)
Aug. 24.38:m1 = 11.2 (+/-0.2) Dia. 1.8', DC = 4, 42x256 L, Dilli.(HI)
Aug. 28.38:m1 = 11.0 (+/-0.2) Dia. 2.0', DC = 6, 42x256 L, Dilli.(HI)
Aug. 30.47:m1 = 11.2 (+/-0.2) Dia. 2.0', DC = 4, 42x256 L, Dilli.(HI)
Sep. 02.57:m1 = 11.3 (+/-0.1) Dia. 1.6', DC = 5, 42x256 L, Dilli.(HI)
Sep. 11.30:m1 = 11.7 (+/-0.2) Dia. 1.5', DC = 4, 42x256 L, Dilli.(HI)
Sep. 13.31:m1 = 11.7 (+/-0.2) Dia. 1.7', DC = 4, 42x256 L, Dilli.(HI)
Sep. 15.35:m1 = 11.6 (+/-0.2) Dia. 1.6', DC = 5, 42x256 L, Dilli.(HI)
Sep. 18.37:m1 = 11.8 (+/-0.2) Dia. 1.4', DC = 3, 42x256 L, Dilli.(HI)
Sep. 19.38:m1 = 11.7 (+/-0.1) Dia. 1.3', DC = 3, 42x256 L, Silva (HI)
Sep. 20.33:m1 = 11.8 (+/-0.1) Dia. 1.5', DC = 4, 42x256 L, Dilli.(HI)
Sep. 22.47:m1 = 11.6 (+/-0.2) Dia. 1.5', DC = 3, 42x256 L, Dilli.(HI)
Sep. 26.51:m1 = 12.2 (+/-0.3) Dia. 1.5', DC = 3, 42x256 L, Dilli.(HI)
Sep. 30.48:m1 = 11.8 (+/-0.3) Dia. 1.5', DC = 3, 84x256 L, Dilli.(HI)
Oct. 08.26:m1 = 11.8 (+/-0.1) Dia. 1.2', DC = 3, 42x256 L, Dilli.(HI)
Oct. 09.28:m1 = 12.2 (+/-0.2) Dia. 1.2', DC = 3, 84x256 L, Dilli.(HI)
Oct. 18.36:m1 = 12.5 (+/-0.2) Dia. 1.0', DC = 3, 84x256 L, Dilli.(HI)
Oct. 20.29:m1 = 12.8 (+/-0.1) Dia. 0.8', DC = 4, 84x256 L, Dilli.(HI)
Oct. 23.39:m1 = 12.8 (+/-0.2) Dia. 1.0', DC = 3, 84x256 L, Dilli.(HI)
Oct. 24.31:m1 = 12.7 (+/-0.2) Dia. 0.9', DC = 3, 84x256 L, Dilli.(HI)
Oct. 26.39:m1 = 12.7 (+/-0.2) Dia. 1.0', DC = 3, 84x256 L, Dilli.(HI)
Nov. 07.27:m1 = 12.9 (+/-0.3) Dia. 1.0', DC = 3, 84x256 L, Dilli.(HI)
Nov. 17.31:m1 = 13.0 (+/-0.2) Dia. 1.0', DC = 2, 84x256 L, Dilli.(HI)
Nov. 21.28:m1 = 13.4 (+/-0.2) Dia. 1.0', DC = 3, 84x256 L, Dilli.(HI)
Nov. 23.30:m1 = 13.4 (+/-0.2) Dia. 1.0', DC = 3, 84x256 L, Dilli.(HI)
Dec. 06.26:m1 > 13.0+ Dia. 1.0', 169x256 L, Dilli.(HI)
Dec. 11.25:m1 = 13.7:(+/-0.3) Dia. 0.5', DC = -, 169x256 L, Dilli.(HI)
Dec. 17.25:m1 = 13.1 (+/-0.2) Dia. 1.0', DC = 3, 169x256 L, Dilli.(HI)
Dec. 20.25:m1 = 13.1 (+/-0.2) Dia. 1.0', DC = 3, 169x256 L, Dilli.(HI)

Aug. 15.32:m2 = 14.7 (+/-0.1) 169x256 L, Dilli. (HI)
Aug. 16.35:m2 = 14.5 (+/-0.2) 169x256 L, Dilli. (HI)
Aug. 20.35:m2 = 14.6 (+/-0.2) 169x256 L, Dilli. (HI)
Sep. 11.31:m2 = 14.4 (+/-0.2) 169x256 L, Dilli. (HI)
Sep. 13.32:m2 = 14.5 (+/-0.2) 169x256 L, Dilli. (HI)
Sep. 13.35:m2 = 14.8 (+/-0.3) 169x256 L, Dilli. (HI)
Oct. 08.27:m2 = 14.9 (+/-0.2) 169x256 L, Dilli. (HI)

Light curve

(heliocentric magnitude: from 17-May-97 to 26-Sep.-98)

[54K] postscript file

Images:

[45 K] Nov. 02.33: Drawing at 169x (25.6cm L)	[15 K] June 4.6: Drawing at 169x (12' 25.6cm L)
[22 K] June 28.4: Drawing at 169x (25.6cm L)

Comments:

28 Dec. 97: The comet is still rather faint, and even less condensed than earlier.

Feb. 26 and Mar.4: Comet seen low in morning sky, shortly between clouds.

Mar.-Apr.: comet not brighter than in december.

June 27 - July 3: tail 2' PA 250, and extended 1' PA 200.

Sept.-Oct.: the comet is now fading.