Comet C/1998 M5 (LINEAR)

July 03.53: m1 = 13.0 (+/-0.2) Dia. 0.8', DC = 6 , 84x256 L, Koko-H.(HI)
July 25.48: m1 = 12.2 (+/-0.2) Dia. 1.0', DC = 5 , 84x256 L, Silva (HI)
July 26.39: m1 = 12.0 (+/-0.2) Dia. 1.0', DC = 5 , 42x256 L, Dilli. (HI)
July 27.53: m1 = 12.1 (+/-0.2) Dia. 0.8', DC = 4 , 84x256 L, Dilli. (HI)
July 30.60: m1 = 12.4 (+/-0.2) Dia. 1.0', DC = 5 , 84x256 L, Dilli. (HI)
Aug. 04.61: m1 = 12.3 (+/-0.2) Dia. 1.0', DC = 5 , 84x256 L, Koko-H.(HI)
Aug. 13.35: m1 = 11.8 (+/-0.2) Dia. 1.3', DC = 5 , 84x256 L, Koko-H.(HI)
Aug. 15.37: m1 = 11.7 (+/-0.2) Dia. 1.2', DC = 5 , 84x256 L, Dilli. (HI)
Aug. 16.37: m1 = 11.4 (+/-0.2) Dia. 1.2', DC = 5 , 84x256 L, Dilli. (HI)
Aug. 19.36: m1 = 11.3 (+/-0.2) Dia. 1.5', DC = 5 , 42x256 L, Koko-H.(HI)
Aug. 20.36: m1 = 11.5 (+/-0.2) Dia. 1.5', DC = 5 , 42x256 L, Dilli. (HI)
Aug. 24.34: m1 = 11.4 (+/-0.2) Dia. 1.4', DC = 6 , 84x256 L, Dilli. (HI)
Aug. 28.40: m1 = 11.4 (+/-0.2) Dia. 1.3', DC = 5 , 42x256 L, Dilli. (HI)
Aug. 30.55: m1 = 11.6 (+/-0.2) Dia. 1.3', DC = 5 , 84x256 L, Dilli. (HI)
Sep. 02.60: m1 = 11.2 (+/-0.2) Dia. 1.5', DC = 6 , 84x256 L, Dilli. (HI)
Sep. 11.32: m1 = 11.4 (+/-0.2) Dia. 1.4', DC = 5 , 42x256 L, Dilli. (HI)
Sep. 13.34: m1 = 11.1 (+/-0.2) Dia. 2.0', DC = 5 , 42x256 L, Dilli. (HI)
Sep. 15.31: m1 = 11.3 (+/-0.2) Dia. 1.4', DC = 6 , 42x256 L, Dilli. (HI)
Sep. 18.35: m1 = 11.2 (+/-0.2) Dia. 1.5', DC = 4 , 42x256 L, Dilli. (HI)
Sep. 20.31: m1 = 11.3 (+/-0.2) Dia. 1.5', DC = 4 , 42x256 L, Dilli. (HI)
Sep. 22.45: m1 = 11.2 (+/-0.2) Dia. 1.5', DC = 4 , 42x256 L, Dilli. (HI)
Sep. 26.38: m1 = 11.3 (+/-0.2) Dia. 1.5', DC = 4 , 42x256 L, Dilli. (HI)
Sep. 30.47: m1 = 11.2 (+/-0.2) Dia. 1.3', DC = 4 , 84x256 L, Dilli. (HI)
Oct. 08.28: m1 = 11.4:(+/-0.2) Dia. 1.3', DC = 4 , 42x256 L, Dilli. (HI)
Oct. 09.31: m1 = 11.3 (+/-0.2) Dia. 1.4', DC = 4 , 42x256 L, Dilli. (HI)
Oct. 18.30: m1 = 11.2 (+/-0.3) Dia. 1.5', DC = 4 , 42x256 L, Dilli. (HI)
Oct. 20.31: m1 = 10.9 (+/-0.1) Dia. 2.0', DC = 5 , 42x256 L, Dilli. (HI)
Oct. 23.37: m1 = 11.1 (+/-0.2) Dia. 1.5', DC = 5 , 42x256 L, Dilli. (HI)
Oct. 24.24: m1 = 10.8 (+/-0.1) Dia. 2.0', DC = 5 , 42x256 L, Dilli. (HI)
Oct. 26.36: m1 = 10.7 (+/-0.2) Dia. 1.5', DC = 4 , 42x256 L, Dilli. (HI)
Nov. 07.25: m1 = 10.6 (+/-0.1) Dia. 2.0', DC = 5 , 42x256 L, Dilli. (HI)
Nov. 17.24: m1 = 10.7 (+/-0.1) Dia. 3.0', DC = 5 , 42x256 L, Dilli. (HI)
Nov. 21.25: m1 = 10.8 (+/-0.1) Dia. 2.5', DC = 5 , 42x256 L, Dilli. (HI)
Nov. 22.27: m1 = 10.8 (+/-0.2) Dia. 2.0', DC = 5 , 42x256 L, Dilli. (HI)
Nov. 23.26: m1 = 10.8 (+/-0.1) Dia. 2.5', DC = 5 , 42x256 L, Dilli. (HI)
Dec. 06.20: m1 = 10.5 (+/-0.1) Dia. 3.0', DC = 5 , 42x256 L, Dilli. (HI)
Dec. 11.20: m1 = 10.2 (+/-0.2) Dia. 3.0', DC = 5 , 42x256 L, Dilli. (HI)
Dec. 14.25: m1 = 10.3 (+/-0.2) Dia. 3.0', DC = 5 , 42x256 L, Dilli. (HI)
Dec. 17.21: m1 = 10.0 (+/-0.1) Dia. 3.0', DC = 4 , 42x256 L, Dilli. (HI)
Dec. 19.21: m1 = 10.1 (+/-0.2) Dia. 3.0', DC = 4 , 42x256 L, Dilli. (HI)
Dec. 20.22: m1 = 10.0 (+/-0.1) Dia. 3.0', DC = 5 , 42x256 L, Dilli. (HI)
1999
Jan. 27.63: m1 = 10.1 (+/-0.2) Dia. 3.5', DC = 4 , 42x256 L, Dilli. (HI)
Feb. 15.61: m1 = 9.8 (+/-0.2) Dia. 3.5', DC = 4 , 42x256 L, Dilli. (HI)
Mar. 07.32: m1 = 10.1 (+/-0.2) Dia. 4.0', DC = 4 , 42x256 L, Dilli. (HI)
Mar. 12.29: m1 = 9.7 (+/-0.2) Dia. 5.0', DC = 3 , 42x256 L, Dilli. (HI)
Mar. 14.31: m1 = 9.9 (+/-0.1) Dia. 4.0', DC = 4 , 42x256 L, Dilli. (HI)
Mar. 17.36: m1 = 9.8 (+/-0.2) Dia. 5.0', DC = 4 , 42x256 L, Dilli. (HI)
Mar. 23.29: m1 = 10.0 (+/-0.1) Dia. 4.0', DC = 3 , 42x256 L, Dilli. (HI)
Mar. 23.51: m1 = 10.0 (+/-0.1) Dia. 5.0', DC = 3 , 42x256 L, Dilli. (HI)
Mar. 25.51: m1 = 9.9 (+/-0.1) Dia. 3.5', DC = 4 , 42x256 L, Dilli. (HI)
Apr. 05.34: m1 = 10.4 (+/-0.1) Dia. 5.0', DC = 4 , 42x256 L, Dilli. (HI)
Apr. 08.33: m1 = 10.6 (+/-0.1) Dia. 4.5', DC = 3 , 42x256 L, Dilli. (HI)
Apr. 20.27: m1 = 10.7 (+/-0.2) Dia. 3.5', DC = 4 , 42x256 L, Dilli. (HI)
May 09.30: m1 = 11.2 (+/-0.1) Dia. 3.0', DC = 4 , 42x256 L, Dilli. (HI)
May 11.30: m1 = 11.3 (+/-0.1) Dia. 2.5', DC = 3 , 42x256 L, Dilli. (HI)
May 15.32: m1 = 11.7 (+/-0.2) Dia. 2.0', DC = 2 , 42x256 L, Dilli. (HI)
May 19.37: m1 = 11.9 (+/-0.2) Dia. 2.0', DC = 3 , 42x256 L, Dilli. (HI)
Jun. 12.29: m1 = 12.3 (+/-0.2) Dia. 1.5', DC = 3 , 84x256 L, Dilli. (HI)
Jun. 13.30: m1 = 12.5 (+/-0.2) Dia. 1.3', DC = 3 , 84x256 L, Dilli. (HI)
Jun. 14.30: m1 = 12.9:(+/-0.3) Dia. 1', DC = 3 , 84x256 L, Dilli. (HI)
Jun. 17.30: m1 = 12.5 (+/-0.2) Dia. 1.5', DC = 2 , 84x256 L, Dilli. (HI)
July 02.28: m1 = 12.7 (+/-0.2) Dia. 1.3', DC = 1 , 84x256 L, Dilli. (HI)
July 03.30: m1 = 13.1 (+/-0.3) Dia. 1', DC = 2 , 84x256 L, Dilli. (HI)
July 04.28: m1 = 12.8 (+/-0.3) Dia. 1.2', DC = 2 , 84x256 L, Dilli. (HI)
Comments:
July 3.5: Elongated 1' PA 230��; offset position from IAUC6961: 18" W, 12" N (+-6")
11.33 Sep. 1998: 2.5' tail in PA 150�� (169x256 L)
13.35 Sep. 1998: 2.5' tail in PA 140�� (169x256 L)
11.20 Dec. 1998: m2 = 13.7 (+/-0.2) (169x256 L)
15.468 Mar.1999: On a 7.7 min. 1267mm F/4.95 Fuji 100 exposure, the comet appears faintly as a 14 mag. nearly starlike ( < 0.5') condensation:
C/1998 M5 (LINEAR) was stationary in the night of the 15 March UT (morning): Map showing its apparent motion every 6min. in a 3x2.25' field of view! ... seeing limited motion (1") during 12min. around 10:30 UT !!! Less than 10" during 2h and less than 1' during 3h20m!
17.36 Mar. 1999: m2 = 14.0 (+/-0.2) (169x256 L)

Images: [38 K] Sep. 11.6: Drawing at 169x (25.6cm L) 8'x8' North is up