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It only brightened to 6 mag, and became too close to the sun to observe. In the Southern Hemisphere, it will appear at dusk in mid February at 6 mag. In the Northern Hemisphere, in March at 7 mag. Then it will fade out slowly.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 18 19 46.51 2 53.8 1.078 0.434 23 5.5 123.3 145.3 3:22 (292,-33)
Jan. 25 20 18.32 -10 16.3 1.161 0.245 9 4.6 146.9 152.2 3:32 (302,-23)
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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. 18 23 50.73 9 52.6 0.880 1.003 64 6.2 54.0 259.6 20:56 (107, 7)
Jan. 25 23 26.37 8 41.8 0.912 0.835 52 5.5 51.9 258.0 20:51 ( 99, -2)
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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. 18 12 11.52 45 8.0 1.348 2.058 123 10.6 4.5 142.4 3:22 (191, 9)
Jan. 25 12 12.01 44 41.2 1.308 2.059 127 10.6 4.4 196.4 3:32 (184, 10)
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New comet. It is a wide object and a bit brighter than this ephemeris. 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. 18 14 14.69 28 42.4 1.282 1.700 96 11.8 66.0 41.3 3:22 (220, 13)
Jan. 25 14 41.74 35 12.1 1.130 1.600 98 11.3 83.0 41.4 3:32 (215, 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. 18 20 20.28 -19 48.1 2.603 1.626 5 11.8 44.9 79.2 20:56 ( 52,-15)
Jan. 25 20 41.87 -18 44.1 2.625 1.643 3 11.9 44.3 77.4 20:51 ( 53,-16)
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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. 18 22 51.23 -0 27.4 2.137 1.631 46 12.3 41.4 58.5 20:56 ( 91, 1)
Jan. 25 23 7.92 2 5.7 2.158 1.615 44 12.2 42.4 58.6 20:51 ( 92, -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. 18 8 16.23 -4 13.3 2.375 3.291 154 12.4 42.4 280.9 0:30 (180, 59)
Jan. 25 7 56.34 -3 10.4 2.329 3.255 156 12.3 44.3 282.8 23:36 (180, 58)
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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. 18 15 55.08 -22 36.1 1.852 1.537 56 13.1 23.1 228.2 3:22 (279, 27)
Jan. 25 15 45.01 -24 27.4 1.741 1.599 65 13.3 27.9 233.8 3:32 (275, 38)
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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. 18 22 5.03 -11 31.1 2.322 1.574 31 13.3 47.9 61.8 20:56 ( 75, -2)
Jan. 25 22 24.90 -8 50.8 2.362 1.590 30 13.4 47.5 61.1 20:51 ( 77, -4)
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Not observable. It will be obervable again in April or May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 18 21 22.33 -13 59.3 6.686 5.779 21 13.8 12.1 69.6 20:56 ( 66, -8)
Jan. 25 21 27.81 -13 29.3 6.720 5.778 15 13.9 12.3 69.2 20:51 ( 64,-12)
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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. 18 11 25.45 10 2.1 1.109 1.890 129 14.1 11.3 66.1 3:22 (185, 45)
Jan. 25 11 29.57 10 40.2 1.067 1.898 135 14.0 9.4 47.9 3:14 (180, 44)
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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. 18 16 31.00 -19 25.7 3.088 2.544 48 14.1 26.3 102.9 3:22 (281, 19)
Jan. 25 16 43.65 -20 4.9 3.009 2.533 52 14.0 25.9 102.0 3:32 (278, 24)
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It is observable in good condition at 14-15 mag until autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 18 18 4.84 24 9.1 5.776 5.237 52 14.1 15.6 56.8 3:22 (257,-24)
Jan. 25 18 11.46 25 11.5 5.742 5.245 55 14.1 15.7 53.7 3:32 (252,-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. 18 14 29.12 -14 11.2 2.151 2.170 77 14.3 25.6 111.2 3:22 (258, 41)
Jan. 25 14 40.39 -15 13.9 2.073 2.170 82 14.2 24.4 110.9 3:32 (254, 47)
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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. 18 9 8.37 26 54.3 2.162 3.116 162 14.6 45.2 283.8 1:22 (180, 28)
Jan. 25 8 44.16 28 2.0 2.098 3.073 170 14.5 48.5 280.3 0:31 (180, 27)
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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 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. 18 3 51.05 16 24.3 2.076 2.724 121 14.9 3.1 288.3 20:56 (163, 37)
Jan. 25 3 50.30 16 33.5 2.122 2.683 114 14.8 1.6 356.9 20:51 (157, 35)
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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. 18 9 52.40 20 18.5 0.919 1.851 153 14.8 7.1 12.5 2:05 (180, 35)
Jan. 25 9 52.46 21 8.2 0.912 1.868 159 14.9 7.3 350.7 1:38 (180, 34)
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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. 18 12 3.63 10 48.8 1.439 2.115 120 15.0 3.9 341.4 3:22 (198, 42)
Jan. 25 12 2.13 11 19.4 1.419 2.167 127 15.1 7.1 314.6 3:32 (185, 44)
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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. 18 1 49.08 -38 56.6 6.138 5.969 75 15.2 5.1 350.1 20:56 ( 70, 55)
Jan. 25 1 48.89 -38 20.8 6.154 5.905 70 15.2 5.2 2.7 20:51 ( 70, 50)
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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. 18 15 9.91 40 38.7 4.133 4.258 90 15.2 3.0 25.5 3:22 (221, -4)
Jan. 25 15 10.23 41 0.5 4.097 4.293 94 15.2 3.5 355.3 3:32 (216, 1)
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It will reach to 7 mag in autumn. In the Northern Hemisphere, it will observable only until July, when it reaches to 10 mag. After that, only southern people can observe it until 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. 18 15 45.16 27 57.8 3.723 3.648 78 15.5 7.2 59.6 3:22 (235, 0)
Jan. 25 15 48.14 28 27.6 3.562 3.570 82 15.3 7.0 45.6 3:32 (230, 5)
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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. 18 15 30.44 -28 27.0 3.460 3.098 60 15.4 11.3 202.4 3:22 (283, 35)
Jan. 25 15 27.56 -29 41.1 3.367 3.134 67 15.4 12.5 211.3 3:32 (280, 44)
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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. 18 16 57.50 28 55.7 1.251 1.237 65 15.4 24.4 166.1 3:22 (244,-14)
Jan. 25 17 0.02 26 16.1 1.250 1.265 67 15.5 22.3 170.5 3:32 (242, -6)
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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. 18 4 48.25 28 7.4 5.266 6.017 136 15.9 11.0 262.7 20:58 (180, 27)
Jan. 25 4 42.79 27 57.3 5.292 5.951 128 15.9 9.9 261.5 20:51 (174, 27)
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It keeps 16 mag until June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 18 13 33.00 35 53.3 5.626 5.985 106 16.0 2.6 15.5 3:22 (209, 12)
Jan. 25 13 33.05 36 12.0 5.578 6.015 111 16.0 2.8 349.7 3:32 (202, 15)
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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. 18 15 11.33 -12 6.0 3.400 3.179 68 16.4 18.1 99.9 3:22 (263, 31)
Jan. 25 15 19.70 -12 26.0 3.275 3.146 73 16.3 17.4 98.6 3:32 (258, 37)
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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. 18 1 12.40 14 18.5 4.046 4.075 84 16.5 8.6 255.9 20:56 (124, 19)
Jan. 25 1 8.87 14 6.5 4.167 4.056 76 16.5 6.5 258.1 20:51 (120, 15)
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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. 18 4 4.10 -9 30.9 3.523 4.040 115 16.8 9.2 352.1 20:56 (157, 63)
Jan. 25 4 3.90 -8 25.2 3.594 4.031 109 16.8 9.6 2.6 20:51 (147, 60)
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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. 18 22 5.30 71 24.1 4.073 4.267 94 16.9 19.2 105.8 20:56 (157,-36)
Jan. 25 22 31.34 70 46.1 4.179 4.334 92 17.0 18.6 106.8 20:51 (156,-36)
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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. 18 9 31.93 14 39.5 4.619 5.537 156 17.1 9.0 326.4 1:45 (180, 40)
Jan. 25 9 29.38 15 32.8 4.601 5.557 164 17.1 9.5 324.2 1:15 (180, 40)
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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. 18 4 52.95 34 48.9 2.517 3.306 137 17.1 3.3 221.7 21:03 (180, 20)
Jan. 25 4 52.30 34 31.6 2.606 3.327 130 17.2 2.5 182.5 20:51 (176, 20)
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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. 18 0 49.57 13 4.0 1.349 1.513 79 17.2 36.3 73.9 20:56 (120, 16)
Jan. 25 1 6.89 14 16.2 1.373 1.490 76 17.2 38.7 74.1 20:51 (120, 15)
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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. 18 14 41.68 -18 14.4 1.131 1.275 73 17.3 60.6 109.9 3:22 (264, 41)
Jan. 25 15 10.13 -20 30.3 1.101 1.256 73 17.2 60.6 107.7 3:32 (266, 43)
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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. 18 14 9.81 0 44.1 1.807 2.019 87 17.3 13.2 90.1 3:22 (239, 35)
Jan. 25 14 15.30 0 48.4 1.776 2.078 93 17.6 10.3 83.1 3:32 (232, 40)
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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. 18 9 8.27 26 20.5 7.217 8.162 162 17.5 11.2 296.8 1:21 (180, 29)
Jan. 25 9 3.00 26 55.0 7.230 8.198 168 17.6 11.3 295.2 0:49 (180, 28)
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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. 18 3 3.12 61 46.4 2.021 2.605 115 17.5 43.6 229.4 20:56 (168, -9)
Jan. 25 2 36.18 58 20.7 2.091 2.562 107 17.6 38.6 220.3 20:51 (161, -9)
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