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It has not been brightening well since late November. It is getting fainter a bit apparently. 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. 19 20 33.01 -53 18.8 0.971 0.562 33 6.2 48.6 295.0 18:43 ( 43,-28)
Jan. 26 20 3.25 -49 51.5 1.058 0.561 31 6.4 50.5 317.2 5:35 (314,-27)
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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. 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. 19 19 4.41 -9 31.2 1.230 0.422 17 8.6 15.6 68.2 5:37 (282, 0)
Jan. 26 19 12.73 -9 22.2 1.415 0.617 21 11.2 19.1 93.5 5:35 (284, 3)
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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. 19 19 55.08 -17 42.3 2.113 1.133 3 12.2 33.7 146.9 5:37 (281,-15)
Jan. 26 20 4.09 -20 55.1 2.149 1.178 7 12.4 32.5 146.3 5:35 (286,-13)
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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. 19 1 8.67 -7 52.9 1.295 1.401 74 12.7 57.2 61.5 18:43 ( 30, 43)
Jan. 26 1 31.90 -4 44.1 1.356 1.441 74 12.9 55.4 61.5 18:49 ( 35, 44)
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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. 19 23 3.10 54 15.6 3.634 3.665 84 12.9 3.3 74.2 18:43 (135, 49)
Jan. 26 23 6.12 54 26.9 3.684 3.649 80 12.9 4.9 61.7 18:49 (135, 44)
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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. 19 12 56.39 44 35.8 1.296 1.940 115 12.9 17.3 19.5 5:04 (180, 80)
Jan. 26 12 58.79 46 29.0 1.309 1.989 119 13.2 16.0 5.3 4:39 (180, 79)
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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. 19 10 16.84 -38 30.3 1.056 1.704 113 13.4 102.0 236.4 2:27 ( 0, 17)
Jan. 26 9 18.64 -44 3.4 1.034 1.715 116 13.4 106.0 248.6 1:02 ( 0, 11)
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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. 19 9 31.62 35 41.9 0.485 1.439 155 13.8 15.1 45.1 1:39 (180, 89)
Jan. 26 9 36.93 36 47.2 0.483 1.442 157 13.8 11.1 44.5 1:17 (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. 19 19 57.47 -23 0.1 6.851 5.868 2 13.9 12.3 76.2 5:37 (286,-18)
Jan. 26 20 3.52 -22 39.2 6.840 5.866 7 13.9 12.3 75.8 5:35 (288,-14)
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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. 19 21 38.38 -15 58.6 1.904 1.069 22 14.3 62.8 69.9 18:43 ( 68, 3)
Jan. 26 22 7.10 -13 17.6 1.878 1.049 23 14.2 64.8 68.1 18:49 ( 71, 4)
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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. 19 18 16.43 64 29.0 1.403 1.677 87 14.3 13.1 347.2 5:37 (212, 39)
Jan. 26 18 12.03 66 9.2 1.434 1.725 88 14.7 16.5 342.3 5:35 (209, 42)
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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. 19 11 35.22 76 38.3 4.418 4.957 118 14.7 5.1 331.6 3:43 (180, 48)
Jan. 26 11 28.84 77 6.7 4.428 4.965 117 14.7 5.1 313.8 3:09 (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. 19 8 31.83 21 52.0 0.982 1.962 173 14.9 11.4 315.3 0:40 ( 0, 77)
Jan. 26 8 27.70 22 47.0 0.990 1.973 175 14.9 11.2 312.8 0:09 ( 0, 78)
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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. 19 21 32.37 -49 57.9 4.983 4.208 34 15.1 5.8 86.6 18:43 ( 41,-18)
Jan. 26 21 36.69 -49 57.5 5.036 4.251 33 15.2 6.1 92.3 18:49 ( 44,-22)
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Although it will be unobservable soon, it will be observable again at 16.5 mag in summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 19 23 24.19 -31 4.1 4.369 3.754 46 15.4 20.4 38.8 18:43 ( 41, 10)
Jan. 26 23 31.15 -29 14.7 4.467 3.790 41 15.5 20.2 40.4 18:49 ( 46, 8)
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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. 19 11 50.12 15 5.1 2.871 3.540 125 15.7 3.7 358.5 3:58 ( 0, 70)
Jan. 26 11 49.60 15 33.5 2.773 3.519 133 15.6 4.9 334.7 3:30 ( 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. 19 5 38.67 28 8.0 2.313 3.178 146 15.9 9.0 263.9 21:43 ( 0, 83)
Jan. 26 5 34.48 28 0.6 2.349 3.153 138 15.8 6.9 260.7 21:11 ( 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. 19 16 44.49 -7 28.0 6.137 5.552 49 15.9 11.2 58.7 5:37 (303, 28)
Jan. 26 16 48.85 -6 45.3 6.029 5.534 55 15.8 11.0 54.6 5:35 (307, 32)
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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. 19 11 39.15 -13 34.4 5.245 5.759 117 16.2 9.8 272.2 3:47 ( 0, 41)
Jan. 26 11 34.06 -13 29.1 5.087 5.708 124 16.0 11.5 275.7 3:14 ( 0, 41)
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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. 19 15 41.91 -10 24.9 8.630 8.237 63 16.3 3.8 137.2 5:37 (319, 35)
Jan. 26 15 42.99 -10 44.0 8.542 8.259 70 16.3 3.3 144.2 5:35 (326, 38)
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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. 19 13 32.49 -11 31.4 4.821 4.972 93 16.4 7.1 232.7 5:37 (359, 43)
Jan. 26 13 29.41 -11 60.0 4.742 5.019 100 16.4 8.2 242.1 5:09 ( 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. 19 11 3.52 -20 28.4 2.267 2.886 119 16.4 35.2 288.4 3:12 ( 0, 34)
Jan. 26 10 46.07 -18 58.4 2.205 2.937 130 16.4 39.6 291.5 2:27 ( 0, 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. 19 6 41.54 -16 34.4 5.208 5.974 137 16.5 12.9 309.3 22:46 ( 0, 39)
Jan. 26 6 36.88 -15 34.8 5.281 6.021 135 16.5 12.7 313.9 22:13 ( 0, 39)
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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. 19 15 29.14 -15 5.2 4.067 3.760 65 16.5 13.6 104.0 5:37 (325, 33)
Jan. 26 15 35.30 -15 26.8 3.977 3.767 70 16.5 12.6 103.4 5:35 (331, 34)
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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. 19 4 39.46 13 54.9 1.633 2.397 131 16.7 4.0 28.6 20:44 ( 0, 69)
Jan. 26 4 41.05 14 21.0 1.734 2.431 124 16.9 6.1 50.2 20:18 ( 0, 69)
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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. 19 1 10.79 22 6.8 4.423 4.467 86 16.7 4.5 68.1 18:43 ( 62, 67)
Jan. 26 1 13.25 22 20.7 4.473 4.408 79 16.7 6.0 67.5 18:49 ( 72, 61)
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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. 19 11 41.92 30 3.4 2.003 2.742 130 17.0 3.6 336.3 3:50 ( 0, 85)
Jan. 26 11 40.37 30 27.6 1.923 2.720 136 16.8 5.6 309.6 3:21 ( 0, 85)
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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. 19 10 21.89 7 7.5 5.647 6.469 143 16.9 13.6 300.8 2:30 ( 0, 62)
Jan. 26 10 16.19 7 57.6 5.607 6.497 152 16.9 14.5 300.4 1:57 ( 0, 63)
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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. 19 23 58.09 0 1.0 1.587 1.402 60 17.0 45.7 60.6 18:43 ( 55, 39)
Jan. 26 0 17.06 2 40.3 1.602 1.385 59 16.9 47.4 61.0 18:49 ( 61, 39)
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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. 19 4 43.75 26 58.0 2.345 3.111 134 16.9 4.4 222.9 20:48 ( 0, 82)
Jan. 26 4 42.84 26 37.1 2.454 3.144 126 17.1 2.8 191.1 20:20 ( 0, 82)
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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. 19 9 24.91 17 17.2 2.465 3.408 160 17.1 9.0 296.5 1:33 ( 0, 72)
Jan. 26 9 20.73 17 45.9 2.438 3.409 168 17.1 9.9 295.0 1:01 ( 0, 73)
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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. 19 6 40.00 -12 52.2 4.344 5.145 140 17.3 9.8 322.4 22:44 ( 0, 42)
Jan. 26 6 37.32 -11 55.2 4.362 5.137 138 17.3 10.0 328.5 22:14 ( 0, 43)
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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. 19 3 52.00 39 48.5 1.729 2.416 123 17.5 39.4 280.7 19:55 (180, 85)
Jan. 26 3 30.94 40 27.9 1.866 2.426 112 17.7 30.7 278.4 19:07 (180, 84)
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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. 19 6 59.14 30 7.4 3.768 4.716 162 17.6 6.3 291.1 23:03 ( 0, 85)
Jan. 26 6 56.15 30 21.9 3.807 4.720 155 17.6 5.5 290.1 22:33 ( 0, 85)
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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. 19 12 27.07 1 38.8 2.643 3.161 113 17.9 4.2 85.7 4:34 ( 0, 57)
Jan. 26 12 28.59 1 44.4 2.514 3.123 119 17.7 2.6 60.3 4:08 ( 0, 57)
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It will pass the perihelion in 2002 April. The condition in this return is bad. It is only observable at 17 mag at best before perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 19 1 43.26 20 24.3 1.305 1.669 92 17.8 12.7 189.3 18:43 ( 43, 71)
Jan. 26 1 43.27 19 5.0 1.348 1.599 85 17.8 10.4 169.0 18:49 ( 56, 65)
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Recovered after 93 year gap. It will fade out after this and become fainter than 18 mag in late January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 19 1 7.56 8 28.3 1.437 1.596 80 17.8 41.2 81.2 18:43 ( 43, 57)
Jan. 26 1 26.85 9 13.5 1.496 1.606 77 17.9 41.5 80.7 18:49 ( 49, 55)
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Splitted in early December. Although the combined magnitude is still 16 mag, each necleus is already as faint as 18 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 19 4 54.25 16 21.2 1.823 2.614 135 17.8 5.2 331.7 20:59 ( 0, 71)
Jan. 26 4 53.76 16 53.3 1.935 2.657 128 18.2 4.6 4.9 20:31 ( 0, 72)
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