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It will be too low to observe soon. The brightening is much slower than expected. I will reach only to 4 mag at best in late January. It appears at dusk in March at around 6.5 mag, then it slowly fades out. Southern people cannot see it until mid February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 19 11.19 14 6.9 1.011 0.621 36 6.1 121.8 139.1 3:14 (281,-40)
Jan. 18 19 46.51 2 53.8 1.078 0.434 23 5.5 123.3 145.3 3:22 (292,-33)
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Still brightening very rapidly. It is observable until early February in the Northern Hemisphere, until mid January in Southern Hemisphere. in the evening sky. It will approach to the sun down to 0.1 AU in February. But it will collapse and disappear before the perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 0 17.29 11 2.1 0.847 1.159 78 6.8 60.3 260.3 21:01 (116, 16)
Jan. 18 23 50.73 9 52.6 0.880 1.003 64 6.2 54.0 259.6 20:56 (107, 7)
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It will be observable in the good condition for a long time from winter to next spring. Strongly condensed and easy to see.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 12 8.44 45 31.5 1.393 2.060 119 10.7 7.3 116.3 3:14 (197, 7)
Jan. 18 12 11.52 45 8.0 1.348 2.058 123 10.6 4.5 142.4 3:22 (191, 9)
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Not observable. It will appear at dawn in June at 15.5 mag, then it will be fading.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 19 58.15 -20 42.8 2.583 1.612 7 11.7 45.4 81.1 21:01 ( 51,-14)
Jan. 18 20 20.28 -19 48.1 2.603 1.626 5 11.8 44.9 79.2 20:56 ( 52,-15)
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New comet. It will reach to 9 mag in March and April. In the Northern Hemisphere, it is observable until late April. In the Southern Hemisphere, it locates low in January, then it will not be observable for a while, and it becomes observable again after May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 13 54.06 23 36.4 1.456 1.799 92 12.4 52.6 43.1 3:14 (227, 15)
Jan. 18 14 14.69 28 42.4 1.282 1.700 96 11.8 66.0 41.3 3:22 (220, 13)
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It brightened suddenly up to 12.5 mag visually and by photos in late December.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 22 34.99 -2 57.0 2.115 1.650 49 12.4 40.2 58.4 21:01 ( 90, 4)
Jan. 18 22 51.23 -0 27.4 2.137 1.631 46 12.3 41.4 58.5 20:56 ( 91, 1)
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It will be observable in good condition at 11-12 mag in early 2003 and 2003 autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 8 35.07 -5 2.7 2.450 3.328 148 12.5 39.1 278.9 1:16 (180, 60)
Jan. 18 8 16.23 -4 13.3 2.375 3.291 154 12.4 42.4 280.9 0:30 (180, 59)
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Before the perihelion passage, it brightened rapidly and reached to 13 mag. After appearing at dawn, it was bright at 12.5 mag and observed visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 16 2.69 -20 52.2 1.953 1.479 47 12.9 19.6 222.7 3:14 (283, 18)
Jan. 18 15 55.08 -22 36.1 1.852 1.537 56 13.1 23.1 228.2 3:22 (279, 27)
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It was much fainter than this ephemeris, 17.4 mag on July 31 by Akimasa Nakamura. No further observations were reported, so the current brightness is uncertain.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 21 44.69 -14 8.3 2.287 1.562 33 13.2 48.2 62.7 21:01 ( 73, 1)
Jan. 18 22 5.03 -11 31.1 2.322 1.574 31 13.3 47.9 61.8 20:56 ( 75, -2)
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It was almost always at 12 mag in 2002. But this observable season will end soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 21 16.95 -14 28.2 6.640 5.781 26 13.8 11.8 69.9 21:01 ( 69, -5)
Jan. 18 21 22.33 -13 59.3 6.686 5.779 21 13.8 12.1 69.6 20:56 ( 66, -8)
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It reached to 14 mag by CCD, a bit brighter than expected. It was also observed visually at around 13.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 11 19.78 9 36.1 1.157 1.884 123 14.1 13.9 78.1 3:14 (196, 44)
Jan. 18 11 25.45 10 2.1 1.109 1.890 129 14.1 11.3 66.1 3:22 (185, 45)
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Getting higher in the morning sky. It is observable in good condition at 14-15 mag until 2003 autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 17 58.12 23 12.0 5.806 5.230 50 14.1 15.4 59.7 3:14 (261,-30)
Jan. 18 18 4.84 24 9.1 5.776 5.237 52 14.1 15.6 56.8 3:22 (257,-24)
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Appearing at dawn, and observed as bright as expected. It is observable at 12.5 mag for long time from April to August in 2003.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 16 18.29 -18 43.1 3.164 2.556 44 14.2 26.6 103.9 3:14 (283, 14)
Jan. 18 16 31.00 -19 25.7 3.088 2.544 48 14.1 26.3 102.9 3:22 (281, 19)
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Although it was expected to be 11 mag, the brightening pace is very slow in this return. It is still 14.5 mag. It will be 13 mag at best in spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 14 17.41 -13 4.4 2.229 2.171 73 14.4 26.7 111.6 3:14 (261, 35)
Jan. 18 14 29.12 -14 11.2 2.151 2.170 77 14.3 25.6 111.2 3:22 (258, 41)
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It will keep 14-15 mag until 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)
Jan. 11 9 29.92 25 36.2 2.258 3.159 151 14.8 40.4 286.7 2:11 (180, 29)
Jan. 18 9 8.37 26 54.3 2.162 3.116 162 14.6 45.2 283.8 1:22 (180, 28)
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Now it is at peak. It keeps observable in good condition until April 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)
Jan. 11 9 50.86 19 32.1 0.935 1.837 146 14.8 7.8 37.1 2:31 (180, 36)
Jan. 18 9 52.40 20 18.5 0.919 1.851 153 14.8 7.1 12.5 2:05 (180, 35)
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It brightened about 1 mag after perihelion passage and reached to 12 mag. Now already getting fainter, but still bright as 14 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 12 3.32 10 27.5 1.464 2.063 113 14.8 3.5 47.3 3:14 (209, 40)
Jan. 18 12 3.63 10 48.8 1.439 2.115 120 15.0 3.9 341.4 3:22 (198, 42)
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It brightened very rapidly since September and reached to 15 mag in late November. After that, it has been at 15 mag for a while. It is only observable until next spring. It is not observable around the perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 3 53.20 16 19.7 2.036 2.765 129 15.0 5.9 273.1 21:01 (171, 38)
Jan. 18 3 51.05 16 24.3 2.076 2.724 121 14.9 3.1 288.3 20:56 (163, 37)
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It became a bit fainter after the perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 15 8.66 40 22.7 4.167 4.225 86 15.1 3.3 56.7 3:14 (226, -8)
Jan. 18 15 9.91 40 38.7 4.133 4.258 90 15.2 3.0 25.5 3:22 (221, -4)
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It will reach to 1 mag in 2004 spring. In the Northern Hemisphere, it locates low in the evening sky until February, then it will not be observable until 2004 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 1 49.94 -39 30.5 6.120 6.033 80 15.2 5.1 336.8 21:01 ( 70, 59)
Jan. 18 1 49.08 -38 56.6 6.138 5.969 75 15.2 5.1 350.1 20:56 ( 70, 55)
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Appearing at dawn. It keeps 15 mag until spring, but it will be low for the northern observers.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 15 32.21 -27 14.6 3.546 3.062 53 15.4 10.5 193.4 3:14 (286, 27)
Jan. 18 15 30.44 -28 27.0 3.460 3.098 60 15.4 11.3 202.4 3:22 (283, 35)
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The brightening pace is slow and it has been around 15.5 mag since late October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 16 53.77 31 48.6 1.243 1.219 65 15.4 27.0 162.9 3:14 (245,-21)
Jan. 18 16 57.50 28 55.7 1.251 1.237 65 15.4 24.4 166.1 3:22 (244,-14)
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It will reach to 7 mag in 2003 autumn. In the Northern Hemisphere, it will observable only until 2003 July, when it reaches to 10 mag. After that, only southern people can observe it until 2003 December, when it fades to 9 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 15 41.64 27 36.7 3.879 3.725 73 15.7 7.5 71.4 3:14 (240, -6)
Jan. 18 15 45.16 27 57.8 3.723 3.648 78 15.5 7.2 59.6 3:22 (235, 0)
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It is expected to be 1 mag in the southern sky in 2004 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 4 54.28 28 16.7 5.253 6.083 144 15.9 11.9 264.0 21:31 (180, 27)
Jan. 18 4 48.25 28 7.4 5.266 6.017 136 15.9 11.0 262.7 20:58 (180, 27)
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It keeps 16 mag until 2003 June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 13 32.26 35 37.0 5.678 5.956 101 16.0 2.8 41.3 3:14 (215, 8)
Jan. 18 13 33.00 35 53.3 5.626 5.985 106 16.0 2.6 15.5 3:22 (209, 12)
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Appearing at dawn. It will be 14 mag from spring to summer. No observations have been reported since 2002 June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 15 2.72 -11 42.6 3.522 3.211 63 16.5 18.7 101.2 3:14 (267, 25)
Jan. 18 15 11.33 -12 6.0 3.400 3.179 68 16.4 18.1 99.9 3:22 (263, 31)
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It will be observable at 16-17 mag until 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)
Jan. 11 1 16.97 14 36.0 3.924 4.094 92 16.5 11.0 254.8 21:01 (130, 24)
Jan. 18 1 12.40 14 18.5 4.046 4.075 84 16.5 8.6 255.9 20:56 (124, 19)
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It keeps 16 mag since August unexpectedly.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 21 37.45 72 0.5 3.974 4.200 96 16.7 19.7 104.2 21:01 (158,-36)
Jan. 18 22 5.30 71 24.1 4.073 4.267 94 16.9 19.2 105.8 20:56 (157,-36)
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It is observable at 16.5 mag in this winter and in next winter.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 4 5.10 -10 32.9 3.458 4.049 120 16.8 9.0 341.1 21:01 (169, 65)
Jan. 18 4 4.10 -9 30.9 3.523 4.040 115 16.8 9.2 352.1 20:56 (157, 63)
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It did not begin to fade even after the perihelion passage, it keeps 16 mag still now. It may be brighter than this ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 4 54.78 35 5.8 2.437 3.285 144 16.9 4.8 241.2 21:32 (180, 20)
Jan. 18 4 52.95 34 48.9 2.517 3.306 137 17.1 3.3 221.7 21:03 (180, 20)
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After the outburst in late September, it has been fading more slowly than expected, and it kept 15 mag still in mid December. However, now it is extremely diffused.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 14 2.96 0 48.6 1.836 1.961 82 17.0 16.1 94.5 3:14 (245, 29)
Jan. 18 14 9.81 0 44.1 1.807 2.019 87 17.3 13.2 90.1 3:22 (239, 35)
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It keeps 17 mag until April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 9 34.16 13 48.0 4.653 5.518 148 17.1 8.3 329.5 2:15 (180, 41)
Jan. 18 9 31.93 14 39.5 4.619 5.537 156 17.1 9.0 326.4 1:45 (180, 40)
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The ephemeris says it is 17 mag at dusk in February. But it will not appear as predicted. It must have reached to 18 mag at meridian transit in the evening in 2002 autumn, but not recovered. It implies the comet is really fainter than this ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 0 33.50 11 56.4 1.325 1.539 82 17.4 33.6 74.0 21:01 (120, 18)
Jan. 18 0 49.57 13 4.0 1.349 1.513 79 17.2 36.3 73.9 20:56 (120, 16)
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It will be 17 mag in winter and spring in the morning sky. After the last appearance in 1987, it has been missed twice in 1992 and 1997. It may be much fainter than this ephemeris. Because it keeps low in the morning sky, it will not be recovered by automated survey.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 14 14.10 -15 45.0 1.169 1.299 73 17.5 60.1 111.7 3:14 (263, 37)
Jan. 18 14 41.68 -18 14.4 1.131 1.275 73 17.3 60.6 109.9 3:22 (264, 41)
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Asteroid with a cometary orbit. It will be 15.7 mag at opposition in early September in 2003.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 3 42.00 64 52.7 1.972 2.648 123 17.4 47.9 241.1 21:01 (175,-10)
Jan. 18 3 3.12 61 46.4 2.021 2.605 115 17.5 43.6 229.4 20:56 (168, -9)
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It is getting fainter gradually. It keeps brighter than 18 mag until March.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 11 9 13.35 25 44.8 7.221 8.127 155 17.5 10.9 298.5 1:54 (180, 29)
Jan. 18 9 8.27 26 20.5 7.217 8.162 162 17.5 11.2 296.8 1:21 (180, 29)
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