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New comet. It will reach to 3 mag in late March. It locates in the evening sky until March, then it locates in the morning sky after April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 0 49.21 -4 43.4 1.266 0.750 36 5.8 54.2 34.3 19:13 ( 74, 14)
Mar. 2 1 3.50 0 58.3 1.146 0.645 34 4.9 61.1 29.5 19:19 ( 82, 14)
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It suddenly bursted out in late January and reached to 2.5 mag. Then it faded and now it is 6 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 19 25.23 -27 37.9 1.224 0.884 45 5.1 49.4 356.2 5:13 (309, 5)
Mar. 2 19 23.89 -21 55.1 1.233 0.996 51 5.6 48.7 357.3 5:05 (309, 13)
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Although it had been regarded as an asteroid, it was revealed as a comet. It brightened rapidly in February. It will reach to 9 mag in April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 21 33.41 38 5.5 1.373 1.049 49 10.9 28.0 3.7 5:13 (236, 19)
Mar. 2 21 34.58 41 39.8 1.262 1.018 52 10.6 33.6 3.5 5:05 (235, 24)
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It will be observable at 13 mag until September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 23 26.14 56 51.2 3.848 3.597 68 12.9 10.9 43.1 19:13 (141, 29)
Mar. 2 23 32.81 57 51.3 3.877 3.586 65 12.9 12.2 40.6 19:19 (144, 26)
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The condition in this return is bad. It is not observable until June in the Southern Hemisphere, until August 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)
Feb. 23 22 22.37 -12 55.4 2.358 1.371 2 13.1 51.6 78.7 5:13 (273,-19)
Mar. 2 22 46.33 -11 41.1 2.372 1.387 4 13.0 50.9 77.6 5:05 (271,-20)
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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 getting observable in the Southern Hemisphere. 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)
Feb. 23 20 41.66 -33 17.0 2.147 1.425 33 13.2 32.6 146.8 5:13 (303,-11)
Mar. 2 20 51.88 -36 31.5 2.118 1.497 39 13.4 33.7 147.7 5:05 (307,-11)
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Now observable. it will appear again at dawn in April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 20 26.72 -21 12.1 6.691 5.858 30 13.9 11.4 74.0 5:13 (295, -1)
Mar. 2 20 32.11 -20 50.1 6.628 5.856 36 13.9 11.0 73.6 5:05 (297, 2)
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Fading now. But it was as bright as 13.0 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)
Feb. 23 2 57.00 6 14.7 1.678 1.628 69 13.9 46.9 64.7 19:13 ( 59, 46)
Mar. 2 3 16.62 8 27.9 1.775 1.680 68 14.2 44.8 66.2 19:19 ( 64, 45)
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Fading now. But it was brighter than the ephemeris recently, 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)
Feb. 23 12 40.61 52 25.9 1.425 2.191 129 14.2 14.5 302.1 2:31 (180, 73)
Mar. 2 12 30.47 53 7.3 1.472 2.241 129 14.4 14.4 286.7 1:53 (180, 72)
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Asteroid with a cometary orbit of 6.8 year period. Fading now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 9 48.22 37 1.7 0.546 1.493 151 14.2 8.4 148.5 23:35 (180, 88)
Mar. 2 9 51.09 36 0.4 0.580 1.515 148 14.4 11.7 151.4 23:10 (180, 89)
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It was 13.5 mag in early February, brighter than expected. 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)
Feb. 23 0 2.28 -0 26.0 1.852 1.058 26 14.2 67.6 64.5 19:13 ( 84, 8)
Mar. 2 0 30.63 2 56.0 1.869 1.083 26 14.4 66.7 64.7 19:19 ( 88, 8)
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It was as bright as 14 mag with a long folded tail in December. However, it was reported as 15 mag in January and 16 mag in February, much fainter than expected.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 5 43.73 -41 19.4 1.376 1.801 97 14.2 53.5 299.5 19:29 ( 0, 14)
Mar. 2 5 19.91 -38 17.0 1.523 1.834 91 14.5 41.2 307.3 19:19 ( 8, 16)
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It is observable until 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)
Feb. 23 10 42.69 77 25.5 4.537 5.000 112 14.8 6.6 246.7 0:34 (180, 48)
Mar. 2 10 30.12 77 0.9 4.579 5.010 110 14.8 7.2 233.1 23:48 (180, 48)
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It will be observable at 15 mag until August 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)
Feb. 23 11 38.17 18 1.2 2.488 3.436 160 15.2 10.7 301.3 1:28 ( 0, 73)
Mar. 2 11 33.41 18 39.0 2.449 3.415 164 15.1 11.4 297.1 0:56 ( 0, 74)
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It bursted out and reached to 15 mag in early January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 8 17.18 25 16.4 1.135 2.033 146 15.4 2.7 353.9 22:04 ( 0, 80)
Mar. 2 8 17.81 25 30.1 1.196 2.052 139 15.5 3.0 64.7 21:37 ( 0, 81)
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Getting higher in the morning sky. It will be 13 mag in June and July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 20 31.36 14 1.8 3.977 3.240 36 15.6 4.3 64.5 5:13 (266, 19)
Mar. 2 20 33.04 14 17.2 3.890 3.201 40 15.5 4.0 50.4 5:05 (268, 22)
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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)
Feb. 23 11 6.40 -12 7.6 4.589 5.504 155 15.6 17.6 285.6 0:57 ( 0, 43)
Mar. 2 10 58.12 -11 31.4 4.507 5.454 161 15.5 18.6 287.5 0:21 ( 0, 43)
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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)
Feb. 23 17 2.83 -3 13.7 5.549 5.464 79 15.6 10.4 32.9 5:13 (324, 45)
Mar. 2 17 5.24 -2 10.2 5.425 5.448 86 15.5 10.5 26.2 5:05 (328, 48)
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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)
Feb. 23 5 30.31 27 29.2 2.577 3.048 109 15.7 3.1 108.1 19:17 ( 0, 82)
Mar. 2 5 32.50 27 22.7 2.646 3.022 102 15.6 5.4 99.3 19:19 ( 39, 80)
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Not yet observed in this return. Appearing at dawn. 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)
Feb. 23 19 5.96 -15 5.3 2.016 1.550 48 15.8 43.8 83.6 5:13 (304, 17)
Mar. 2 19 26.67 -14 26.7 1.994 1.563 50 15.9 42.7 82.0 5:05 (303, 18)
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It reached to -1 mag at the perihelion passage in the field of SOHO LASCO. Now it is getting higher in the morning sky, but it is fading rapidly.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 19 44.91 -10 14.2 1.813 1.219 39 15.9 13.6 96.2 5:13 (293, 14)
Mar. 2 19 50.85 -10 23.9 1.858 1.344 44 16.5 11.6 96.5 5:05 (295, 16)
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New periodic comet. It passed near by the earth and must have been as bright as 15 mag in January. But it will fade out rapidly after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 17 31.58 58 38.3 0.301 1.034 89 16.0 53.2 239.3 5:13 (212, 58)
Mar. 2 16 55.15 55 18.4 0.320 1.070 95 16.3 49.5 234.4 5:05 (206, 66)
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It reaches only to 16 mag in spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 11 19.39 31 40.5 1.705 2.635 154 16.3 14.0 271.9 1:10 ( 0, 87)
Mar. 2 11 11.40 31 37.4 1.681 2.614 155 16.2 15.1 264.8 0:34 ( 0, 87)
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No observations have been reported since 2001 August. It keeps the same brightness until 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)
Feb. 23 15 43.58 -11 49.3 8.158 8.349 97 16.3 2.5 214.6 5:13 (353, 43)
Mar. 2 15 42.70 -12 3.1 8.062 8.371 104 16.3 3.0 230.4 5:05 ( 0, 43)
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It keeps brighter than 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)
Feb. 23 15 54.23 -16 26.6 3.593 3.797 94 16.4 7.1 101.3 5:13 (351, 38)
Mar. 2 15 57.23 -16 35.1 3.497 3.805 100 16.3 5.4 101.0 5:05 (356, 38)
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Fading rapidly. It was so faint as 13.5 mag visually, 16.5 mag by CCD in mid January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 16 59.40 74 58.0 1.547 1.940 97 16.4 28.4 310.3 5:13 (189, 48)
Mar. 2 16 11.36 76 47.3 1.580 1.998 99 16.8 30.6 295.0 5:05 (183, 48)
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It keeps the same brightness until April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 13 9.29 -13 19.0 4.488 5.212 132 16.4 13.6 262.9 2:59 ( 0, 42)
Mar. 2 13 2.50 -13 28.7 4.451 5.260 141 16.5 14.8 265.7 2:25 ( 0, 42)
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It was reported as 16 mag in February, a bit brighter than expected.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 1 40.76 13 24.7 1.682 1.362 54 16.5 51.8 64.6 19:13 ( 82, 35)
Mar. 2 2 3.59 15 56.3 1.709 1.368 53 16.5 52.2 66.1 19:19 ( 86, 35)
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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)
Feb. 23 1 29.50 23 57.7 4.633 4.171 56 16.5 11.2 65.9 19:13 ( 95, 38)
Mar. 2 1 35.00 24 31.6 4.659 4.111 51 16.5 12.3 65.6 19:19 ( 99, 33)
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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)
Feb. 23 12 24.48 3 17.7 2.073 2.967 149 16.8 8.6 307.9 2:14 ( 0, 58)
Mar. 2 12 20.78 3 57.7 1.988 2.928 157 16.6 10.8 304.1 1:43 ( 0, 59)
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It was fainter than expected. It may reach only to 13.5 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 16 37.79 4 14.0 1.283 1.585 87 17.0 43.6 95.7 5:13 (327, 55)
Mar. 2 16 58.42 3 43.1 1.202 1.538 88 16.6 45.1 95.7 5:05 (327, 54)
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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)
Feb. 23 9 30.66 -9 33.6 2.214 3.145 156 16.7 43.8 302.4 23:16 ( 0, 46)
Mar. 2 9 14.06 -6 49.6 2.290 3.199 152 16.8 40.6 304.8 22:32 ( 0, 48)
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New comet. It keeps 17 mag until 2002 November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 2 35.18 46 30.7 3.320 3.285 79 16.8 22.5 155.0 19:13 (123, 56)
Mar. 2 2 41.76 44 14.7 3.423 3.276 73 16.8 21.2 150.8 19:19 (119, 51)
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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)
Feb. 23 6 23.67 -11 11.6 5.704 6.210 116 16.8 10.6 335.4 20:10 ( 0, 44)
Mar. 2 6 21.89 -10 4.8 5.835 6.257 110 16.9 10.0 341.9 19:41 ( 0, 45)
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It will keep 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)
Feb. 23 9 51.16 11 29.7 5.633 6.614 171 17.1 15.2 299.5 23:37 ( 0, 67)
Mar. 2 9 44.95 12 21.1 5.689 6.643 163 17.1 14.6 299.5 23:03 ( 0, 67)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 23 9 2.72 19 33.8 2.474 3.412 158 17.1 8.5 291.3 22:49 ( 0, 75)
Mar. 2 8 59.11 19 53.3 2.517 3.413 150 17.2 7.0 290.8 22:18 ( 0, 75)
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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)
Feb. 23 6 31.40 -7 28.4 4.606 5.165 119 17.4 10.1 356.2 20:18 ( 0, 48)
Mar. 2 6 31.41 -6 17.6 4.679 5.161 113 17.5 10.1 3.9 19:51 ( 0, 49)
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It is a bit brighter than the ephemeris after November, but 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)
Feb. 23 4 50.65 25 42.7 2.949 3.272 100 17.8 7.7 98.9 19:13 ( 42, 78)
Mar. 2 4 55.00 25 35.3 3.081 3.304 94 17.9 9.2 95.7 19:19 ( 60, 73)
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New periodic comet with 30 year period. 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)
Feb. 23 3 12.85 65 46.8 2.086 2.339 91 17.8 8.3 65.5 19:13 (158, 54)
Mar. 2 3 23.06 66 13.1 2.133 2.323 88 17.8 11.0 68.2 19:19 (156, 51)
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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)
Feb. 23 6 49.76 30 54.6 4.084 4.736 126 17.8 0.6 326.2 20:37 ( 0, 86)
Mar. 2 6 49.97 30 57.2 4.178 4.742 119 17.9 1.1 77.7 20:09 ( 0, 86)
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