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It will be getting brighter on and on after this, then it will reach to 4 mag locating high in the evening sky in December and January. In the Northern Hemisphere, it keeps observable in good condition for a long time while the comet is bright enough visible visually until 2005 October when it becomes faint as 14 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 5 10.63 -30 14.9 0.862 1.637 124 6.9 6.0 288.7 1:42 (180, 85)
Nov. 20 5 6.33 -29 41.2 0.765 1.570 126 6.5 13.1 308.0 1:10 (180, 85)
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It is much fainter than expected, about 7-7.5 mag. The pictures show that the dust emission has stopped. In the Southern Hemisphere, it keeps observable in good condition for a while after this. In the Northern Hemisphere, it is visible in the morning low sky until early December, but becomes unobservable soon, then keeps unobservable until January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 12 6.98 -27 51.9 1.628 1.144 43 7.4 45.5 206.3 3:10 (290, 22)
Nov. 20 11 54.54 -32 55.9 1.516 1.199 52 7.5 53.2 209.3 3:03 (291, 30)
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It became brighter than expected in November, and reached to 10 mag. It is observable in good condition as bright as 10-11 mag until January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 3 15.10 13 42.4 1.025 2.013 175 10.3 10.6 227.5 23:42 (180, 41)
Nov. 20 3 11.46 12 54.6 1.038 2.018 169 10.3 9.6 228.3 23:11 (180, 42)
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It brightened rapidly and reached to 10 mag. It keeps high in the evening sky and bright as around 11 mag until December. It will be fading after January, however, it keeps high in the evening sky for a long time 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)
Nov. 13 0 15.94 35 55.0 1.230 2.066 136 10.4 33.8 298.9 20:43 (180, 19)
Nov. 20 0 0.26 37 37.7 1.288 2.057 128 10.4 27.5 299.0 20:28 (174, 17)
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It is brightening, 14 mag in early November. Diffused visually. It will be visible visually at 11 mag from December to January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 9 45.22 15 0.1 1.190 1.513 87 12.6 43.8 96.6 3:10 (230, 23)
Nov. 20 10 6.09 14 24.3 1.140 1.502 89 12.0 43.2 96.6 3:03 (230, 24)
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The brightening evolution has been slower than usual. But finally it comes to be visible visually. In the Northern Hemisphere, it keeps observable until 2005 spring when it reaches to 8 mag. Now it locates at the same altitude both in the evening and morning.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 15 29.66 57 51.1 2.466 2.423 75 12.7 36.5 120.5 20:19 (140,-47)
Nov. 20 15 56.52 55 33.7 2.380 2.334 75 12.5 37.8 122.4 20:28 (137,-49)
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It keeps observable for a long time after this in the Northern Hemisphere. It is also visible at midnight or dawn, but low.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 18 2.45 69 13.9 2.652 2.866 92 12.5 30.5 99.7 20:19 (156,-31)
Nov. 20 18 40.90 68 27.0 2.712 2.948 93 12.7 30.4 104.3 20:28 (155,-31)
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No remarkable outburst has not occured recently, however, it continues to be visible at 12-13 mag still in November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 23 56.77 9 34.3 5.022 5.727 131 13.2 3.0 229.6 20:25 (180, 45)
Nov. 20 23 55.94 9 21.8 5.111 5.727 124 13.2 2.0 216.5 20:28 (169, 45)
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It is already visible visually at 13 mag. It keeps observable at 12-13 mag in the evening sky until May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 2 51.27 10 29.6 1.260 2.242 170 13.7 15.2 283.0 23:18 (180, 44)
Nov. 20 2 44.33 10 56.2 1.242 2.207 163 13.5 14.9 286.4 22:44 (180, 44)
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It was observed as 13.7 mag on Oct. 16, as bright as expected. It will be getting fainter gradually until 2005 June when it becomes 17 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 11 38.41 -15 5.5 3.831 3.308 51 13.6 4.4 171.1 3:10 (274, 21)
Nov. 20 11 38.39 -15 35.2 3.809 3.392 58 13.7 4.2 191.1 3:03 (272, 25)
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It will be fading slowly until 2005 August when it becomes low in the evening sky at 16.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 1 2.50 39 56.4 1.185 2.070 144 13.6 28.7 296.9 21:29 (180, 15)
Nov. 20 0 47.83 41 16.6 1.210 2.048 137 13.7 24.1 295.0 20:47 (180, 14)
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It was visible visually around 13.5 mag in October. It will be fading after this, but it keeps observable until it becomes fainter than 18 mag in 2005 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 0 41.11 -4 2.9 0.852 1.710 136 14.2 17.4 7.8 21:09 (180, 59)
Nov. 20 0 43.11 -1 59.8 0.895 1.713 130 14.3 18.9 19.0 20:44 (180, 57)
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New comet. It is moving towards north rapidly, and the condition in the Northern Hemisphere is getting better. It is brightest now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 22 52.45 -8 43.5 0.462 1.228 110 14.2 81.5 10.0 20:19 (151, 60)
Nov. 20 23 0.13 0 16.4 0.490 1.233 108 14.4 75.9 14.1 20:28 (146, 49)
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Diffused, but still bright as 14 mag. It keeps observable until 2005 May when it becomes fainter than 18 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 11 32.51 39 22.4 3.025 2.966 77 14.3 8.0 103.5 3:10 (229,-10)
Nov. 20 11 36.68 39 13.5 3.007 3.036 82 14.4 6.0 96.3 3:03 (227, -8)
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The condition of this return is bad. It is not observable around the perihelion passage. It will appear at dawn in 2005 July at 14.5 mag, then it will be fading after that.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 16 20.74 -16 3.3 2.648 1.719 16 14.9 39.8 104.8 20:19 ( 64, -8)
Nov. 20 16 39.85 -17 11.3 2.625 1.682 13 14.5 41.0 103.1 20:28 ( 60,-10)
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It tends to become brightest after the perihelion passage. It was 17 mag on Sept. 18. In this return, it will reach to 14 mag in 2005 February at the opposition.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 10 2.31 20 17.5 2.577 2.685 85 15.1 17.1 86.9 3:10 (229, 17)
Nov. 20 10 10.44 20 26.9 2.493 2.692 90 15.0 15.7 83.4 3:03 (227, 19)
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Diffused, but still bright as 14 mag. It keeps observable in good condition until December when it becomes fainter than 18 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 1 45.83 8 19.3 1.530 2.469 156 15.3 11.1 261.5 22:13 (180, 47)
Nov. 20 1 41.32 8 11.2 1.618 2.514 148 15.6 8.1 265.3 21:41 (180, 47)
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Appearing at dawn. It was observed as 16.5 mag on Oct. 6, 1.5 mag fainter than this ephemeris. After this, it keeps observable while it will be fading gradually until it becomes fainter than 18 mag in 2005 April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 11 20.14 -7 29.2 2.743 2.368 57 15.8 19.1 119.5 3:10 (265, 20)
Nov. 20 11 27.59 -8 33.3 2.718 2.426 62 15.9 17.4 120.8 3:03 (264, 24)
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It will be observable in good conditon at 15.5 mag in winter. In its last return in 1997, it burst out after the perihelion passage and became extremely bright, reached to 11 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 8 31.56 13 0.2 1.457 1.947 103 16.0 21.0 76.5 3:10 (214, 35)
Nov. 20 8 40.88 13 39.7 1.385 1.944 108 15.9 19.5 70.6 3:03 (211, 36)
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It keeps observable at 15.5 mag until mid February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 5 12.86 39 23.2 0.922 1.831 146 16.4 33.0 274.6 1:45 (180, 16)
Nov. 20 4 49.59 39 26.6 0.824 1.772 155 15.9 44.2 267.7 0:55 (180, 16)
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It will reach to 9 mag in 2006 spring. It has been brightening well as expected. In this season, it keeps observable until 2005 March when it becomes 15.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 5 40.11 -13 13.3 4.621 5.338 132 16.1 14.8 232.0 2:11 (180, 68)
Nov. 20 5 34.14 -14 15.7 4.517 5.276 136 16.0 15.7 236.5 1:38 (180, 69)
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It will be as faint as 17.5 mag in 2005 March when it becomes low in the evening western sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 0 57.48 -4 28.2 2.939 3.748 139 16.0 6.4 277.3 21:25 (180, 59)
Nov. 20 0 54.90 -4 19.5 3.031 3.767 132 16.1 4.9 289.7 20:55 (180, 59)
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It keeps observable at 16 mag in good condition until the end of 2004.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 23 24.56 1 17.0 1.923 2.581 121 16.1 5.2 50.6 20:19 (169, 53)
Nov. 20 23 27.04 1 43.1 1.992 2.571 115 16.1 7.8 57.7 20:28 (156, 51)
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It will be too low in the evening sky at 17.5 mag in early February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 22 29.49 6 2.1 5.029 5.445 109 16.2 8.4 232.9 20:19 (151, 45)
Nov. 20 22 26.74 5 29.0 5.202 5.496 102 16.3 6.6 229.1 20:28 (139, 41)
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It keeps observable in good condition at 16 mag until 2005 spring. It will reach to 15 mag in 2006.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 6 1.59 45 50.6 5.693 6.437 135 16.3 5.6 325.6 2:33 (180, 9)
Nov. 20 5 59.15 46 22.1 5.605 6.408 141 16.3 5.9 316.9 2:03 (180, 9)
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It is observable at 16.5 mag in good condition until February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 6 10.74 28 12.3 2.175 2.987 138 16.9 3.7 273.7 2:42 (180, 27)
Nov. 20 6 8.18 28 13.3 2.106 2.976 145 16.8 6.0 270.4 2:12 (180, 27)
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It is observable at 17 mag in good condition until January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 0 53.67 10 27.3 2.343 3.207 145 16.9 6.2 228.7 21:21 (180, 45)
Nov. 20 0 51.90 10 0.9 2.395 3.196 137 17.0 4.4 218.8 20:52 (180, 45)
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It will fade out after this, and become fainter than 18 mag at the end of 2004.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 22 26.22 2 36.9 1.569 2.098 108 17.2 16.4 55.6 20:19 (148, 47)
Nov. 20 22 33.08 3 42.7 1.649 2.106 103 17.3 18.5 58.8 20:28 (140, 43)
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It will be 17 mag at best in December and January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 8 45.50 29 7.6 2.250 2.677 104 17.5 30.0 335.0 3:10 (209, 19)
Nov. 20 8 37.15 32 31.9 2.113 2.671 113 17.4 36.1 329.9 3:03 (202, 19)
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It keeps observable at 18 mag in good condition until January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 7 5.73 15 9.1 3.432 4.076 124 17.6 15.3 226.8 3:10 (188, 39)
Nov. 20 6 59.91 13 56.0 3.388 4.122 132 17.6 16.6 231.2 3:03 (180, 41)
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It was 17.8 mag on Oct. 21, brighening well as expected. We can observe it in good condition while it is brightening, then the comet will reach to 9 mag in next spring and summer. It may become a naked-eye object due to the Deep Impact mission on July 4.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 13 11 24.58 13 56.7 2.819 2.561 64 18.0 23.1 106.6 3:10 (248, 7)
Nov. 20 11 35.17 13 11.2 2.696 2.520 69 17.7 22.9 106.1 3:03 (247, 9)
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