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It is expected to reach to 7.8 mag in December and January. Northern people cannot observe it until December.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 11 17.47 -40 54.0 1.976 1.439 44 9.1 41.9 77.3 4:46 (315, -8)
Oct. 28 11 42.14 -39 40.7 1.947 1.379 41 8.9 41.5 74.1 4:52 (315, -6)
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It may keep the brightness of the outburst in the last return and reach to 6 mag. However, it locates extremely low, only 8 deg at best from November to December in the Northern Hemisphere.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 12 43.56 2 55.8 2.522 1.625 20 12.0 42.5 115.1 4:46 (268, 2)
Oct. 28 13 2.01 0 46.5 2.436 1.559 21 11.5 44.8 115.0 4:52 (272, 4)
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Image:
2000 Feb. 5
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It will be observable as 12 mag under good condition from October to December. Strange tail was observed.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 1 19.16 42 2.8 2.547 3.433 148 12.4 36.9 231.4 23:16 (180, 83)
Oct. 28 1 1.72 39 8.2 2.509 3.405 149 12.3 38.5 226.5 22:31 (180, 86)
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It keeps brighter than 13.5 mag until December, and the altitude will be higher slowly to 30 deg.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 20 24.83 -27 56.3 2.084 2.370 93 13.2 18.0 54.8 18:42 ( 4, 27)
Oct. 28 20 33.03 -26 42.4 2.156 2.359 89 13.2 19.7 57.1 18:35 ( 8, 28)
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Image:
1999 Dec. 30
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Because it is far away, it keeps brighter than 14 mag until late 2000.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 1 39.13 -3 25.7 3.489 4.461 165 13.2 13.0 209.5 23:37 ( 0, 51)
Oct. 28 1 36.21 -4 41.8 3.533 4.480 160 13.3 12.1 210.2 23:07 ( 0, 50)
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Image:
2000 Jan. 8
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Although it will be low around December, it is observable again in 2001 spring as 13.5 mag in good condition.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 16 44.32 35 42.0 3.377 3.056 63 13.5 17.3 179.5 18:42 (109, 42)
Oct. 28 16 44.78 33 47.1 3.429 3.049 59 13.5 15.6 174.7 18:35 (108, 38)
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Not observable in the Northern Hemisphere. It is low in the evening sky in the southern hemisphere.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 15 54.39 -26 27.8 1.626 0.985 34 13.6 74.6 102.0 18:42 ( 58, -1)
Oct. 28 16 30.55 -27 49.9 1.738 1.099 35 14.4 65.5 97.9 18:35 ( 55, 0)
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Image:
1999 July 31
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It will be also observable in the Northern Hemisphere after 2001 October, but it will be fainter than 16.5 mag then.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 9 5.85 -72 10.8 3.560 3.415 73 13.9 5.8 203.0 4:46 (349,-20)
Oct. 28 9 0.83 -72 49.5 3.579 3.436 73 13.9 7.0 216.6 4:52 (352,-19)
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It reached to 13 mag at return in 1987, however, it was not observed at return in 1994. The ephemeris says it will reach to 13.7 mag in November, but one reported it was too faint to catch.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 1 25.17 19 32.3 1.133 2.120 170 14.0 12.4 242.9 23:23 ( 0, 74)
Oct. 28 1 19.80 18 49.1 1.111 2.090 166 13.9 12.5 237.7 22:50 ( 0, 74)
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Image:
1999 June 12
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Very low in the evening sky. It will appear at dawn in March.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 17 6.58 -29 11.5 6.594 6.013 50 13.9 9.5 88.7 18:42 ( 46, 8)
Oct. 28 17 11.80 -29 10.0 6.673 6.011 44 14.0 10.1 89.0 18:35 ( 48, 6)
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Image:
1997 Apr. 5
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Only southern people can observe it. Northern people can never see it again.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 6 50.76 -77 34.5 12.246 12.153 82 14.3 5.3 197.1 4:46 ( 0,-23)
Oct. 28 6 46.58 -78 9.1 12.310 12.199 81 14.3 5.3 204.4 4:20 ( 0,-23)
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Image:
1998 Dec. 5
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Fading now. In the northern hemisphere, it will be higher than 20 deg only in October and November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 20 23.94 -34 33.8 4.392 4.538 92 14.4 11.2 3.7 18:42 ( 4, 20)
Oct. 28 20 24.76 -33 16.5 4.542 4.577 85 14.5 11.1 11.2 18:35 ( 9, 21)
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It is not observable at all until 2001 summer when it becomes fainter than 19 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 15 8.66 -18 0.4 2.492 1.611 21 14.5 43.3 110.7 18:42 ( 71, -5)
Oct. 28 15 28.93 -19 43.6 2.493 1.596 19 14.4 44.0 109.0 18:35 ( 70, -6)
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Brightened rapidly and reached to 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 18 44.81 0 27.5 2.481 2.433 75 15.1 28.4 103.6 18:42 ( 45, 46)
Oct. 28 18 57.92 -0 16.2 2.548 2.437 72 15.1 29.2 101.4 18:35 ( 46, 44)
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Image:
1999 Nov. 28
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It will be observable in good condition as 15 mag from autumn to winter.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 3 19.11 50 18.3 4.931 5.687 135 15.5 9.6 310.1 1:21 (180, 75)
Oct. 28 3 13.41 50 58.4 4.863 5.661 140 15.5 9.7 303.2 0:48 (180, 74)
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It will be observable as 9-10 mag from 2001 March to June. Not yet observed in this return.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 2 35.98 0 26.2 1.546 2.516 163 16.0 15.5 252.7 0:38 ( 0, 55)
Oct. 28 2 28.60 -0 4.4 1.483 2.459 166 15.7 17.2 256.4 0:03 ( 0, 55)
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It is at best as 16 mag in October and November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 5 48.30 33 9.1 1.385 2.069 119 15.9 12.3 37.8 3:50 ( 0, 88)
Oct. 28 5 51.56 34 17.4 1.343 2.087 125 15.9 10.6 22.5 3:25 ( 0, 89)
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New comet. It is fading out after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 0 10.70 -11 28.5 1.744 2.641 147 16.0 12.1 316.7 22:09 ( 0, 44)
Oct. 28 0 7.28 -10 24.0 1.812 2.662 141 16.2 11.3 327.7 21:38 ( 0, 45)
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Image:
2000 Jan. 15
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It is observable in good condition as 15 mag from February to April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 11 1.02 12 10.4 4.172 3.560 46 16.1 17.7 109.1 4:46 (275, 28)
Oct. 28 11 8.84 11 30.7 4.093 3.558 51 16.1 17.0 108.9 4:52 (279, 33)
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New comet. It will be observable as 14 mag for one year after 2001 autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 1 28.51 5 34.7 4.980 5.970 173 16.7 11.8 274.3 23:26 ( 0, 61)
Oct. 28 1 23.02 5 41.4 4.956 5.925 166 16.7 11.7 275.1 22:53 ( 0, 61)
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Although it keeps brighter than 17 mag in October, it is fading out.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 3 0.93 47 40.8 1.623 2.467 139 16.9 10.5 289.6 1:03 (180, 77)
Oct. 28 2 53.56 47 56.5 1.617 2.491 144 17.0 11.2 274.9 0:28 (180, 77)
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Image:
2000 Feb. 17
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The condition is good in winter and spring, but it is fading out.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 11 13.59 12 42.9 5.836 5.167 44 17.0 5.8 152.7 4:46 (272, 26)
Oct. 28 11 14.68 12 8.2 5.787 5.210 50 17.0 5.1 158.4 4:52 (278, 32)
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Although it is in the evening low sky as 17 mag in 2000 autumn, it will be observable again as 16.5 mag in 2001 autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 20 18.81 -16 58.2 2.419 2.697 95 17.2 11.9 88.7 18:42 ( 7, 38)
Oct. 28 20 25.09 -16 53.8 2.489 2.674 89 17.2 13.9 86.0 18:35 ( 11, 37)
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The condition is good until late December, but it reaches to 17.5 mag at best.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 0 4.79 -1 10.7 1.970 2.891 152 17.4 10.3 211.1 22:03 ( 0, 54)
Oct. 28 0 2.71 -2 8.9 2.001 2.871 144 17.4 8.5 204.7 21:33 ( 0, 53)
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It keeps 17.5 mag until late October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 23 16.37 35 36.6 5.435 6.215 138 17.6 16.2 233.2 21:14 (180, 89)
Oct. 28 23 9.35 34 27.3 5.499 6.230 133 17.6 15.4 229.3 20:40 ( 0, 89)
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It keeps 17.5 mag with a good condition until late January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 4 17.59 35 19.9 1.821 2.641 137 17.8 3.1 283.9 2:19 (180, 90)
Oct. 28 4 15.14 35 21.3 1.756 2.627 144 17.7 5.5 265.9 1:49 (180, 90)
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Appearing at dawn. It will be 17.5 mag for a while.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 9 54.91 11 37.7 3.801 3.432 61 17.8 15.9 112.2 4:46 (287, 41)
Oct. 28 10 1.66 10 56.5 3.724 3.445 66 17.7 14.8 112.9 4:52 (293, 46)
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Image:
1999 May 31
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Fading gradually. It keeps 17-18 mag at good position until October. No observations reported since 1999 August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 19 7.39 36 53.1 6.582 6.645 89 17.8 3.4 154.7 18:42 (103, 71)
Oct. 28 19 8.53 36 32.7 6.673 6.674 85 17.9 3.7 138.0 18:35 (102, 67)
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The condition is good until late January, but it reaches to 18 mag at best.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 0 45.33 5 43.8 1.360 2.335 164 17.8 11.2 263.5 22:43 ( 0, 61)
Oct. 28 0 40.45 5 36.6 1.369 2.314 156 17.8 9.5 265.6 22:11 ( 0, 61)
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Image:
1999 Feb. 6
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Although it is around the aphelion now, it is observable as 17 mag in good condition from December to March.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 8 24.67 26 24.1 4.495 4.532 85 17.9 6.4 84.0 4:46 (285, 67)
Oct. 28 8 27.68 26 30.1 4.377 4.523 92 17.9 5.3 78.3 4:52 (295, 73)
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The condition is good in January and February, but it reaches to 17.5 mag at best.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Oct. 21 9 6.84 15 27.0 3.518 3.370 73 18.0 13.9 111.4 4:46 (293, 53)
Oct. 28 9 12.79 14 52.3 3.427 3.377 78 18.0 12.6 112.5 4:52 (301, 57)
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