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Too close to the Sun to see. It passes the perihelion at the end of 2003, then it locates very low sky in the morning and may be observable.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 17 0.21 -16 12.6 0.597 0.428 13 6.6 56.7 205.7 5:32 (287, -4)
Dec. 27 16 59.36 -21 34.0 0.791 0.347 18 6.6 46.6 150.2 5:35 (295, -1)
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It is expected to be 1 mag in the southern sky in 2004 spring. Brightening as expected.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 1 48.62 30 45.7 1.568 2.294 126 9.1 51.0 243.8 19:52 ( 0, 86)
Dec. 27 1 25.83 28 4.1 1.600 2.197 114 8.9 45.6 239.7 19:02 ( 0, 83)
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It is expected to be 1 mag in 2004 spring. But recent brightness evolution is slower than expected, so it may reaches to only 3 mag at best. In the Southern Hemisphere, it keeps observable in good condition until that time. On the other hand, in the Northern Hemisphere, it is not observable until that time.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 23 42.95 -77 14.2 2.688 2.472 66 10.4 14.9 315.2 18:22 ( 2,-22)
Dec. 27 23 24.86 -75 55.6 2.648 2.387 64 10.2 13.8 326.9 18:25 ( 5,-22)
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It is observable about 12 mag in good condition, but it will fade out gradually after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 1 4.55 9 52.1 2.765 3.250 111 12.2 20.5 256.6 19:09 ( 0, 65)
Dec. 27 0 56.18 9 23.2 2.941 3.286 101 12.4 15.9 257.4 18:34 ( 0, 64)
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Although it is coming closer to the Sun, it has been fading since the discovery. Now it locates very low sky in the evening in the Northern Hemisphere. In the Southern Hemisphere, it is only observable until early January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 21 9.22 -34 52.3 2.899 2.305 44 12.3 28.1 39.4 18:22 ( 37, 8)
Dec. 27 21 19.50 -32 18.6 2.897 2.238 40 12.3 29.1 40.5 18:25 ( 42, 7)
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It will be observable at 13 mag in the evening sky until April. It is already as bright as 12.5 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 23 33.81 13 47.0 1.482 1.806 91 13.3 25.8 98.2 18:22 ( 26, 67)
Dec. 27 23 46.66 13 26.2 1.517 1.775 87 13.3 28.1 94.5 18:25 ( 36, 65)
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Appearing at dawn. Although it had been 15.5 mag before conjunction and did not brighten at all, Ken-ichi Kadota reported that it brightened to 14 mag on Dec. 3. It will reach to 11-12 mag and be observable visually in next spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 14 50.16 -10 57.0 2.958 2.359 44 13.7 10.5 184.1 5:32 (303, 23)
Dec. 27 14 49.39 -12 11.4 2.821 2.335 51 13.5 11.1 193.2 5:35 (311, 27)
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No evident activity had been observed since October. Now it is faint.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 22 27.64 -4 16.8 6.002 5.732 69 13.6 7.7 69.9 18:22 ( 39, 43)
Dec. 27 22 31.18 -3 57.0 6.105 5.731 63 13.6 8.5 69.3 18:25 ( 46, 40)
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Appearing at dawn. No observations have been reported since 2003 May. It is fading out gradually after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 15 54.12 -18 0.9 2.610 1.796 27 13.7 38.0 101.6 5:32 (298, 7)
Dec. 27 16 12.24 -18 49.6 2.609 1.827 30 13.8 36.9 100.0 5:35 (300, 9)
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It will get fainter on and on after this and be too low in the evening sky at 18 mag in March.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 1 40.62 23 21.6 1.111 1.845 123 14.4 67.2 176.4 19:46 ( 0, 78)
Dec. 27 1 43.53 16 19.6 1.227 1.869 115 14.7 54.2 172.2 19:21 ( 0, 71)
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It will be 7 mag in the southern sky from autumn to winter in 2004. It becomes low in January, but then it will become higher soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 19 25.58 16 0.4 4.759 4.135 45 14.6 7.3 114.1 18:22 ( 94, 23)
Dec. 27 19 28.95 15 42.7 4.733 4.062 42 14.5 7.5 106.1 18:25 ( 97, 17)
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It will be observable in good condition at 14 mag from January to April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 13 3.72 -0 44.5 1.861 1.829 72 14.7 37.3 102.3 5:32 (322, 47)
Dec. 27 13 20.67 -1 37.3 1.792 1.817 75 14.5 36.9 101.1 5:35 (327, 48)
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Appearing at dawn. No observations have been reported since 2003 March, however, it must have been brightening rapidly. It will reach to 10 mag in next spring and be observable in good condition in the Southern Hemisphere. But in the Northern Hemisphere, it keeps locating lower than 15 deg until June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 15 39.09 -18 37.7 2.593 1.818 30 15.1 39.8 105.3 5:32 (301, 9)
Dec. 27 15 58.42 -19 47.8 2.514 1.775 33 14.7 41.0 103.7 5:35 (303, 11)
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It will be lower than 10 deg at the end of 2003. It becomes observable again at 15.5 mag after 2004 June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 21 1.59 -25 29.9 3.413 2.783 43 14.8 24.4 71.7 18:22 ( 44, 14)
Dec. 27 21 13.56 -24 34.9 3.492 2.801 39 14.9 24.6 71.1 18:25 ( 48, 12)
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It is observable in good condition at 15 mag until April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 12 35.41 13 27.0 1.975 2.130 85 15.3 23.9 106.6 5:32 (319, 63)
Dec. 27 12 46.02 12 41.8 1.905 2.133 89 15.2 22.2 105.9 5:35 (330, 65)
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Now it is much brighter than expected, around 15.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 6 55.49 8 39.7 2.666 3.599 158 15.6 8.0 261.4 1:04 ( 0, 64)
Dec. 27 6 51.60 8 33.6 2.662 3.615 163 15.7 8.5 266.5 0:33 ( 0, 64)
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It will become too low in the evening sky at 17 mag in February. It had been a bit fainter than this ephemeris recently.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 0 48.98 -13 29.6 2.725 3.020 97 15.7 17.4 270.2 18:54 ( 0, 42)
Dec. 27 0 41.71 -13 24.9 2.909 3.061 89 15.9 13.1 275.2 18:25 ( 2, 42)
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It will be observable around 16 mag until March in the northern sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 19 0.33 67 36.7 2.674 2.881 91 15.9 26.3 66.4 18:22 (152, 36)
Dec. 27 19 32.34 68 47.4 2.649 2.874 93 15.9 28.4 69.4 18:25 (154, 36)
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New comet. It keeps 16.5 mag until early January. But it will be fading after that, and will be fainter than 18 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)
Dec. 20 22 16.24 64 9.2 1.263 1.749 101 16.4 70.8 112.2 18:22 (158, 56)
Dec. 27 23 18.90 60 6.6 1.279 1.778 102 16.5 71.6 123.2 18:25 (157, 62)
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It will be fading slowly and become fainter than 18 mag in April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 11 49.03 1 12.1 2.109 2.337 90 16.5 15.6 102.3 5:32 (349, 56)
Dec. 27 11 55.63 0 52.7 2.046 2.363 96 16.5 13.2 99.5 5:35 ( 0, 56)
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New comet. Although it must have been bright for more than one year, it was not discovered until recently. It will be observable while it is getting fainter, until March when it will be 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)
Dec. 20 10 42.12 44 46.9 3.209 3.772 117 16.5 6.8 351.2 4:50 (180, 80)
Dec. 27 10 40.77 45 34.2 3.202 3.835 123 16.6 7.4 336.1 4:21 (180, 79)
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It is observable around 17 mag until 2004 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 8 27.53 14 18.8 3.241 4.059 141 16.6 7.5 322.5 2:36 ( 0, 69)
Dec. 27 8 24.99 15 2.5 3.190 4.068 149 16.6 8.8 317.9 2:06 ( 0, 70)
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Although it was observed visually at 12 mag in October, it is fading out rapidly since November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 11 52.73 -2 54.9 1.419 1.700 88 16.7 24.0 126.6 5:32 (349, 52)
Dec. 27 12 0.99 -4 30.9 1.390 1.740 92 16.9 20.7 129.2 5:35 (358, 50)
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It has been lost since 1978. It will never be observed as predicted in this ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 21 30.58 -18 36.0 1.660 1.300 51 16.9 51.7 69.9 18:22 ( 43, 24)
Dec. 27 21 54.57 -16 24.1 1.664 1.286 50 16.8 53.4 68.3 18:25 ( 46, 25)
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It keeps 17 mag until July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 16 52.56 33 1.3 6.224 5.764 58 17.1 6.0 48.0 5:32 (245, 24)
Dec. 27 16 55.00 33 33.0 6.192 5.770 60 17.1 6.6 40.1 5:35 (248, 30)
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It is expected to be 5 mag in 2005 spring. Until that time, it keeps observable in the Northern Hemisphere, which the comet will be getting brighter gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 7 44.94 76 9.3 5.302 5.925 125 17.3 11.8 313.6 1:54 (180, 49)
Dec. 27 7 26.32 77 0.6 5.231 5.860 125 17.3 11.8 303.7 1:08 (180, 48)
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An object discovered about one and a half year ago was revealed as a comet recently. It will be fainter than 18 mag in January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 2 30.87 13 58.3 2.186 2.939 132 17.4 3.4 188.0 20:36 ( 0, 69)
Dec. 27 2 31.20 13 38.7 2.286 2.962 125 17.5 2.9 141.4 20:09 ( 0, 69)
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Getting higher in the morning sky. It is observable in good condition at 17.5 mag until May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 13 48.62 12 21.0 7.915 7.616 68 17.6 4.6 109.0 5:32 (296, 50)
Dec. 27 13 50.53 12 12.1 7.849 7.653 74 17.6 3.8 106.5 5:35 (304, 55)
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After the perihelion passage in late September, now it is in good condition to observe. It will be fainter than 18 mag at the end of 2003.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 22 46.80 15 32.5 1.406 1.606 82 17.6 35.2 90.0 18:22 ( 51, 62)
Dec. 27 23 3.05 15 36.0 1.553 1.675 79 17.8 32.0 88.1 18:25 ( 57, 60)
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It will be fainter than 18 mag soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Dec. 20 0 26.42 6 45.4 2.316 2.685 101 17.9 11.6 80.6 18:32 ( 0, 62)
Dec. 27 0 32.24 7 1.9 2.394 2.673 95 18.0 13.6 78.0 18:25 ( 8, 62)
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