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Although it faded to 8 mag in mid April, now it is brightening again.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 5 56.23 -12 41.9 0.866 1.006 64 7.2 20.4 189.8 20:07 ( 63, 14)
Apr. 28 5 54.34 -15 9.2 0.821 0.930 60 6.8 22.5 192.2 20:15 ( 67, 5)
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Yoshimi Nagai, Yamanashi, Japan, observed it on Apr. 23 at 10.8 mag, that was fainter than the ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 5 32.01 30 7.4 1.510 1.215 53 10.1 54.2 80.4 20:07 (106, 34)
Apr. 28 6 1.68 30 57.5 1.506 1.207 52 10.0 56.1 84.2 20:15 (107, 33)
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It was bright at 9 mag in mid April. It fades rapidly and reaches to 14 mag in late May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 4 10.38 22 13.0 1.255 0.700 33 10.6 106.3 76.0 20:07 (108, 14)
Apr. 28 5 2.25 24 33.0 1.257 0.794 39 11.1 101.1 81.1 20:15 (108, 19)
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It keeps brighter than 11 mag until late April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 18 56.59 69 14.8 2.094 2.227 84 10.9 19.7 3.7 3:50 (191, 54)
Apr. 28 18 56.02 71 23.7 2.195 2.304 83 11.2 16.9 354.6 3:40 (187, 53)
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Not observable. It will appear at dawn as 16 mag in July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 0 41.56 -3 7.9 2.344 1.479 23 12.4 40.4 67.6 3:50 (265,-13)
Apr. 28 0 58.49 -1 23.4 2.388 1.545 25 12.8 38.0 67.8 3:40 (263,-12)
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Not observable. It will appear again at dawn in June. However, it never locates high and will not be observable after August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 0 39.54 -2 32.4 3.997 3.103 23 12.7 10.5 126.2 3:50 (264,-12)
Apr. 28 0 43.42 -3 18.1 3.942 3.110 29 12.7 10.6 130.3 3:40 (267,-10)
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It is observable as 13.5 mag until May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 15 10.11 33 57.5 2.618 3.363 130 13.4 33.5 267.2 1:15 ( 0, 89)
Apr. 28 14 51.26 33 33.6 2.637 3.393 131 13.4 33.8 261.5 0:29 ( 0, 89)
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Appearing at dawn. No outburst bright enough to observe visually has occured since 1999 July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 19 18.75 -27 57.5 5.639 5.954 103 13.6 2.0 92.9 3:50 (338, 23)
Apr. 28 19 19.50 -27 58.7 5.530 5.952 110 13.5 0.9 105.3 3:40 (342, 25)
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Although it reaches to 13.5 mag in 2001 summer, only southern people can observe it.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 21 52.58 -69 31.2 3.023 3.208 91 14.0 19.7 99.4 3:50 (340,-24)
Apr. 28 22 18.07 -69 50.4 2.968 3.197 93 13.9 18.6 97.8 3:40 (340,-24)
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Not observable until December when it becomes fainter than 17.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 2 55.37 17 10.3 2.566 1.620 15 14.3 42.3 75.4 20:07 (114, -4)
Apr. 28 3 15.79 18 21.7 2.546 1.586 13 14.0 43.5 76.9 20:15 (117, -6)
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In the Northern Hemisphere, it appears at dawn at 10 mag in late July, then reaches to 8 mag in autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 0 38.07 -20 3.0 2.797 2.086 37 14.7 34.9 66.9 3:50 (280,-22)
Apr. 28 0 54.14 -18 25.2 2.717 2.035 39 14.4 35.8 66.8 3:40 (279,-20)
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Not observable. It will appear at dawn in July as 15.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 1 33.28 13 21.3 3.419 2.421 5 14.8 29.8 63.4 3:50 (243,-13)
Apr. 28 1 46.06 14 53.4 3.427 2.436 8 14.9 29.5 63.9 3:40 (243,-11)
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Only southern people can observe it. 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)
Apr. 21 4 38.99 -74 2.0 13.294 13.325 89 14.9 3.9 52.9 20:07 ( 19,-31)
Apr. 28 4 44.49 -73 46.6 13.317 13.369 90 14.9 4.0 59.3 20:15 ( 20,-33)
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Because it is far away, it keeps brighter than 16 mag until August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 10 35.13 -8 33.5 4.869 5.577 130 14.9 15.5 314.9 20:36 ( 0, 47)
Apr. 28 10 30.33 -7 19.2 4.982 5.593 122 15.0 13.9 317.7 20:15 ( 4, 48)
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It hardly faded out since the perihelion passage in 2000 June. But no observation has been reported since Jan. 5. 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)
Apr. 21 5 40.60 -32 36.3 4.474 4.232 69 15.0 19.4 33.4 20:07 ( 51, -2)
Apr. 28 5 46.60 -30 47.1 4.570 4.272 66 15.1 18.7 36.9 20:15 ( 56, -5)
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It will appear at dawn in June at 14 mag, then will fade gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 23 23.47 -6 54.4 2.237 1.637 42 15.2 44.7 71.6 3:50 (279, 1)
Apr. 28 23 43.44 -5 14.3 2.188 1.618 43 15.0 45.0 71.4 3:40 (277, 1)
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It is observable in good condition as 15 mag from February to April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 11 28.02 12 35.1 2.770 3.562 136 15.2 4.3 265.0 21:29 ( 0, 68)
Apr. 28 11 26.39 12 29.4 2.843 3.565 129 15.3 2.8 243.4 21:00 ( 0, 67)
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In the Northern Hemisphere, it goes southern sky and will not be observable after May, then appears again at dawn in November at 16.5 mag and fades. In the Southern Hemisphere, it locates high.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 19 41.73 -39 31.8 2.108 2.489 100 15.6 28.5 213.3 3:50 (338, 11)
Apr. 28 19 29.81 -42 32.9 1.932 2.451 108 15.3 36.3 219.5 3:40 (344, 10)
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It is observable as 15.5 mag until autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 15 45.41 10 26.1 6.674 7.518 144 15.4 8.6 264.7 1:50 ( 0, 65)
Apr. 28 15 41.24 10 19.0 6.654 7.532 148 15.4 9.1 262.2 1:18 ( 0, 65)
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Although it will be lower after this for a while, 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)
Apr. 21 3 28.29 54 31.3 5.773 5.133 46 15.4 12.9 69.2 20:07 (142, 23)
Apr. 28 3 38.27 55 4.2 5.800 5.118 43 15.4 13.5 68.9 20:15 (144, 20)
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It is fading gradually since some time 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)
Apr. 21 5 39.85 23 55.2 2.928 2.483 54 15.7 25.4 94.9 20:07 ( 98, 32)
Apr. 28 5 52.86 23 38.4 3.000 2.486 50 15.8 25.9 95.7 20:15 (101, 28)
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Appearing at dawn. It will fade out gradually after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 21 55.76 -9 20.9 6.029 5.646 63 16.3 7.2 28.1 3:50 (294, 16)
Apr. 28 21 57.14 -8 37.2 5.967 5.691 69 16.3 6.6 21.6 3:40 (297, 20)
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It keeps around 17 mag until 2002 autumn because it is far away. However, it goes to the southern sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 14 8.29 -15 4.6 4.696 5.699 175 16.4 11.9 256.0 0:13 ( 0, 40)
Apr. 28 14 2.64 -15 24.4 4.671 5.675 175 16.4 12.0 256.7 23:35 ( 0, 40)
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Because it is far away, it keeps brighter than 17 mag until June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 16 12.52 34 8.7 6.509 7.116 123 16.6 12.8 315.2 2:17 ( 0, 89)
Apr. 28 16 7.19 35 9.4 6.516 7.138 124 16.6 12.7 310.4 1:44 (180, 90)
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New periodic comet. It is at peak in April, then begins to fade after May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 13 44.81 -22 12.8 1.452 2.447 169 16.7 9.9 263.6 23:45 ( 0, 33)
Apr. 28 13 40.00 -22 17.5 1.472 2.464 167 16.8 9.1 268.2 23:13 ( 0, 33)
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Takaaki Oribe, Saji Observatory, observed its outburst on Mar. 21 at 15.9 mag. But now 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)
Apr. 21 11 25.03 34 6.3 2.433 3.084 121 16.7 9.2 203.7 21:26 ( 0, 89)
Apr. 28 11 23.52 33 3.7 2.533 3.115 116 16.9 9.5 190.2 20:57 ( 0, 88)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 17 54.92 -17 26.0 10.091 10.657 121 16.7 1.4 298.2 3:50 (357, 38)
Apr. 28 17 54.19 -17 21.6 10.009 10.670 128 16.7 1.9 289.0 3:31 ( 0, 38)
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It is still bright. Akimasa Nakamura, Kuma, Japan, observed it at 16.9 mag on Mar. 21.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 15 2.62 6 17.0 5.086 6.014 155 16.9 17.7 285.3 1:07 ( 0, 61)
Apr. 28 14 54.54 6 47.9 5.092 6.035 157 16.9 17.8 283.4 0:32 ( 0, 62)
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It bursted out in mid February and reached to 15 mag, but now 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)
Apr. 21 9 50.67 10 15.5 3.315 3.854 115 16.9 2.0 100.1 20:07 ( 9, 65)
Apr. 28 9 51.97 10 11.1 3.427 3.872 108 17.0 3.7 104.4 20:15 ( 27, 63)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 9 31.66 8 15.5 2.257 2.786 111 17.2 12.7 80.1 20:07 ( 18, 62)
Apr. 28 9 37.95 8 27.2 2.343 2.795 106 17.3 14.2 85.2 20:15 ( 32, 60)
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It is brightest at 17 mag until late June, but the altitude is not too high.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 16 33.13 -13 34.1 1.473 2.345 141 17.4 5.5 213.1 2:37 ( 0, 41)
Apr. 28 16 30.97 -14 8.2 1.418 2.337 148 17.3 7.8 229.3 2:08 ( 0, 41)
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Recently it was 1 mag 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)
Apr. 21 9 29.15 9 7.6 5.894 6.319 110 17.4 5.8 258.7 20:07 ( 20, 63)
Apr. 28 9 26.81 8 58.7 6.056 6.364 103 17.4 4.5 252.0 20:15 ( 38, 59)
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Although it is around the aphelion now, it is observable as 17 mag in good condition.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 7 43.58 30 11.8 4.259 4.231 81 17.5 7.2 110.6 20:07 ( 91, 60)
Apr. 28 7 47.58 29 53.3 4.349 4.216 75 17.5 8.5 108.8 20:15 ( 94, 53)
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A Centaur asteroid. The perihelion passage is in 2004. It will keep the current brightness over 10 years after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 10 2.01 -4 25.2 12.651 13.210 121 17.5 1.4 314.3 20:07 ( 1, 51)
Apr. 28 10 1.64 -4 18.6 12.747 13.208 115 17.5 1.0 328.7 20:15 ( 15, 50)
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Recently it was 1 mag 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)
Apr. 21 12 45.19 6 8.6 1.670 2.615 154 17.6 8.6 282.0 22:46 ( 0, 61)
Apr. 28 12 41.68 6 16.4 1.739 2.646 147 17.7 6.5 273.8 22:15 ( 0, 61)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 21 9 33.05 23 2.4 2.900 3.336 107 17.6 14.8 188.6 20:07 ( 33, 76)
Apr. 28 9 32.50 21 22.0 3.047 3.382 100 17.8 14.0 180.0 20:15 ( 52, 70)
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