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Although it had been 6 mag for 2 months since late November, it suddenly bursted out in late January and reached to 2.5 mag. In the Northern Hemisphere, it is not obesrvable until late February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 20 3.25 -49 51.5 1.058 0.561 31 6.4 50.5 317.2 5:35 (314,-27)
Feb. 2 19 43.76 -44 53.9 1.125 0.604 32 3.3 51.5 334.3 5:31 (313,-18)
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It was in the field of SOHO LASCO from Jan. 7 to 10. It brightened rapidly and reached to -1 mag on Jan. 8. Now it is appearing at dawn, but extremely low. KenIchi Kadota succeeded to observe it on Jan. 13 at 5.5 mag, but the comet faded to 9.7 mag on Jan. 21. It will fade out rapidly while locating low.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 19 12.73 -9 22.2 1.415 0.617 21 11.2 19.1 93.5 5:35 (284, 3)
Feb. 2 19 21.74 -9 34.9 1.556 0.788 25 12.9 18.8 96.6 5:31 (286, 6)
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It bursted out and reached to 11 mag around Dec. 8. Then it faded a bit, but kept 11 mag until mid December. It was very faint in late December by Yusuke Ezaki's observations. It is already unobservable. It will appear at dawn in late February in the Southern Hemisphere, but 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)
Jan. 26 20 4.09 -20 55.1 2.149 1.178 7 12.4 32.5 146.3 5:35 (286,-13)
Feb. 2 20 13.15 -24 1.6 2.169 1.232 13 12.6 31.8 145.9 5:31 (291,-12)
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It will be observable at 13 mag until 2002 September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 23 6.12 54 26.9 3.684 3.649 80 12.9 4.9 61.7 18:49 (135, 44)
Feb. 2 23 10.02 54 48.1 3.731 3.634 76 12.9 6.5 54.7 18:55 (136, 40)
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It has already passed the perihelion, but keeps as bright as 12 mag since November. It locates in the evening sky until 2002 April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 1 31.90 -4 44.1 1.356 1.441 74 12.9 55.4 61.5 18:49 ( 35, 44)
Feb. 2 1 54.29 -1 42.8 1.426 1.484 73 13.2 53.4 61.8 18:55 ( 41, 45)
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Fading now. But it was brighter than the ephemeris recently, 11.5 mag in late December and 12.5 mag in mid January. It is observable in good condition until to fade out.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 12 58.79 46 29.0 1.309 1.989 119 13.2 16.0 5.3 4:39 (180, 79)
Feb. 2 12 58.37 48 17.5 1.328 2.039 122 13.4 15.2 349.9 4:11 (180, 77)
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It has a long folded tail. Although it keeps 13.5 mag until mid February, it locates very low 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)
Jan. 26 9 18.64 -44 3.4 1.034 1.715 116 13.4 106.0 248.6 1:02 ( 0, 11)
Feb. 2 8 11.48 -46 50.6 1.062 1.730 115 13.5 99.4 263.3 23:15 ( 0, 8)
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Asteroid with a cometary orbit of 6.8 year period. Now it is at the peak.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 9 36.93 36 47.2 0.483 1.442 157 13.8 11.1 44.5 1:17 (180, 88)
Feb. 2 9 40.80 37 30.9 0.488 1.449 157 13.8 7.1 51.0 0:54 (180, 88)
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Now observable. it will appear again at dawn in 2001 April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 20 3.52 -22 39.2 6.840 5.866 7 13.9 12.3 75.8 5:35 (288,-14)
Feb. 2 20 9.50 -22 17.8 6.819 5.864 13 13.9 12.2 75.4 5:31 (290,-11)
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Not yet observed in this return. It keeps brighter than 16 mag until April. But the condition is worst. It always locates very low in the evening sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 22 7.10 -13 17.6 1.878 1.049 23 14.2 64.8 68.1 18:49 ( 71, 4)
Feb. 2 22 35.97 -10 19.8 1.859 1.037 23 14.1 66.4 66.6 18:55 ( 74, 5)
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Because it is fading now, a few observations are reported. It was 13.0 mag in early January. It keeps observable for a while 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)
Jan. 26 18 12.03 66 9.2 1.434 1.725 88 14.7 16.5 342.3 5:35 (209, 42)
Feb. 2 18 4.35 68 8.3 1.463 1.776 90 15.1 19.8 336.8 5:31 (206, 45)
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It is observable until 2002 autumn at 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 11 28.84 77 6.7 4.428 4.965 117 14.7 5.1 313.8 3:09 (180, 48)
Feb. 2 11 19.81 77 27.2 4.446 4.972 117 14.7 5.3 295.8 2:33 (180, 48)
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It bursted out in early January. Now it is as bright as 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 8 27.70 22 47.0 0.990 1.973 175 14.9 11.2 312.8 0:09 ( 0, 78)
Feb. 2 8 23.72 23 37.1 1.010 1.986 168 15.0 9.9 312.2 23:33 ( 0, 79)
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Fading rapidly, as expected. 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)
Jan. 26 21 36.69 -49 57.5 5.036 4.251 33 15.2 6.1 92.3 18:49 ( 44,-22)
Feb. 2 21 41.19 -50 1.4 5.076 4.295 34 15.3 6.4 97.9 18:55 ( 46,-27)
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It will be 15 mag in next spring at opposition.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 11 49.60 15 33.5 2.773 3.519 133 15.6 4.9 334.7 3:30 ( 0, 71)
Feb. 2 11 48.11 16 6.5 2.684 3.499 140 15.5 6.4 320.9 3:01 ( 0, 71)
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It will be 10.5 mag in 2003 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 5 34.48 28 0.6 2.349 3.153 138 15.8 6.9 260.7 21:11 ( 0, 83)
Feb. 2 5 31.48 27 52.5 2.395 3.127 130 15.8 4.6 255.3 20:41 ( 0, 83)
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Appearing at dawn. It will be 15 mag in spring and summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 16 48.85 -6 45.3 6.029 5.534 55 15.8 11.0 54.6 5:35 (307, 32)
Feb. 2 16 52.91 -5 58.7 5.915 5.516 61 15.8 10.8 50.1 5:31 (311, 35)
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Not yet observed in this return. Appearing at dawn. It will be 15.8 mag in the morning low sky in February, then it will fade out while getting higher.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 17 37.91 -16 9.8 2.117 1.529 41 17.3 46.7 90.9 5:35 (304, 17)
Feb. 2 18 0.48 -16 8.9 2.089 1.529 43 15.8 46.2 89.0 5:31 (305, 17)
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It will be 11 mag in 2003 February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 11 34.06 -13 29.1 5.087 5.708 124 16.0 11.5 275.7 3:14 ( 0, 41)
Feb. 2 11 28.18 -13 18.2 4.941 5.657 132 15.9 13.2 278.6 2:41 ( 0, 42)
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Appearing at dawn. It keeps the same brightness until 2002 September when it becomes low in the evening sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 15 42.99 -10 44.0 8.542 8.259 70 16.3 3.3 144.2 5:35 (326, 38)
Feb. 2 15 43.72 -11 2.0 8.449 8.281 76 16.3 2.7 155.1 5:31 (333, 40)
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Appearing at dawn. It keeps the same brightness until 2002 April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 13 29.41 -11 60.0 4.742 5.019 100 16.4 8.2 242.1 5:09 ( 0, 43)
Feb. 2 13 25.54 -12 25.3 4.667 5.067 108 16.4 9.5 249.3 4:38 ( 0, 43)
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Fading. It will be 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)
Jan. 26 10 46.07 -18 58.4 2.205 2.937 130 16.4 39.6 291.5 2:27 ( 0, 36)
Feb. 2 10 27.33 -17 4.6 2.165 2.988 139 16.4 43.1 294.4 1:41 ( 0, 38)
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Appearing at dawn. It reaches to 16 mag in 2002 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 15 35.30 -15 26.8 3.977 3.767 70 16.5 12.6 103.4 5:35 (331, 34)
Feb. 2 15 40.95 -15 45.8 3.884 3.774 76 16.5 11.4 102.8 5:31 (336, 36)
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Fading slowly. It keeps brighter than 17 mag until mid March.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 6 36.88 -15 34.8 5.281 6.021 135 16.5 12.7 313.9 22:13 ( 0, 39)
Feb. 2 6 32.72 -14 31.7 5.369 6.068 131 16.6 12.3 318.7 21:42 ( 0, 41)
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It will be 10.5 mag in 2003 February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 1 13.25 22 20.7 4.473 4.408 79 16.7 6.0 67.5 18:49 ( 72, 61)
Feb. 2 1 16.38 22 38.9 4.520 4.349 73 16.7 7.4 67.1 18:55 ( 79, 55)
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It reaches only to 16 mag in 2002 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 11 40.37 30 27.6 1.923 2.720 136 16.8 5.6 309.6 3:21 ( 0, 85)
Feb. 2 11 37.27 30 52.3 1.852 2.698 142 16.7 7.9 295.8 2:50 ( 0, 86)
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It has been 16 mag since July. Then it must have fade out, but on the contraty it brightened and reached to 15 mag in November. Now it is fading.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 4 41.05 14 21.0 1.734 2.431 124 16.9 6.1 50.2 20:18 ( 0, 69)
Feb. 2 4 43.92 14 49.0 1.842 2.466 118 17.2 8.2 60.3 19:54 ( 0, 70)
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Akimasa Nakamura reported that it is as faint as 17 mag. It will be observable at 17 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. 26 0 17.06 2 40.3 1.602 1.385 59 16.9 47.4 61.0 18:49 ( 61, 39)
Feb. 2 0 36.81 5 22.3 1.619 1.372 57 16.9 48.9 61.5 18:55 ( 67, 38)
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It will keep 17 mag until 2002 March.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 10 16.19 7 57.6 5.607 6.497 152 16.9 14.5 300.4 1:57 ( 0, 63)
Feb. 2 10 10.16 8 49.7 5.584 6.526 161 17.0 15.1 300.1 1:23 ( 0, 64)
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It will be observable at 17 mag in January and February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 9 20.73 17 45.9 2.438 3.409 168 17.1 9.9 295.0 1:01 ( 0, 73)
Feb. 2 9 16.18 18 15.2 2.425 3.409 176 17.1 10.4 293.7 0:29 ( 0, 73)
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It is a bit brighter than the ephemeris after November. It will be observable for some more time.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 4 42.84 26 37.1 2.454 3.144 126 17.1 2.8 191.1 20:20 ( 0, 82)
Feb. 2 4 43.16 26 19.2 2.570 3.176 119 17.3 2.9 143.3 19:53 ( 0, 81)
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New comet. It keeps 17.5 mag until spring when it becomes low in the evening sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 6 37.32 -11 55.2 4.362 5.137 138 17.3 10.0 328.5 22:14 ( 0, 43)
Feb. 2 6 35.05 -10 53.0 4.393 5.130 134 17.3 10.1 335.0 21:44 ( 0, 44)
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The condition in this return is bad. We can observe it only until August before perihelion passage when it becomes to 13 mag in the evening sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 12 28.59 1 44.4 2.514 3.123 119 17.7 2.6 60.3 4:08 ( 0, 57)
Feb. 2 12 29.16 1 56.9 2.391 3.085 126 17.5 2.3 3.3 3:42 ( 0, 57)
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New comet with 80 year period. C/2002 A1 and C/2002 A2 are pair, splitted from one comet. They show the same motion within 1 degree after this. C/2002 A1 is fainter than 18 mag. C/2002 A2 will be fainter than 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)
Jan. 26 6 56.15 30 21.9 3.807 4.720 155 17.6 5.5 290.1 22:33 ( 0, 85)
Feb. 2 6 53.61 30 33.8 3.860 4.723 147 17.7 4.5 289.8 22:03 ( 0, 86)
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Fading. It will be fainter than 18 mag in February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 3 30.94 40 27.9 1.866 2.426 112 17.7 30.7 278.4 19:07 (180, 84)
Feb. 2 3 14.50 40 53.3 2.014 2.438 103 17.9 23.4 277.7 18:55 (136, 81)
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It will pass the perihelion in 2002 April. The condition in this return is bad. It will be getting lower after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 26 1 43.27 19 5.0 1.348 1.599 85 17.8 10.4 169.0 18:49 ( 56, 65)
Feb. 2 1 45.11 18 0.8 1.386 1.524 77 17.8 9.8 146.6 18:55 ( 65, 58)
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