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It is fading, but the pace is slow. Now that it is close to the earth, it has a large coma with no tail.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 16 26.91 35 41.1 0.497 1.352 123 6.0 102.2 215.2 0:47 (180, 19)
May 25 16 0.34 26 40.0 0.577 1.466 132 6.6 80.7 209.7 23:46 (180, 29)
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It faded to 7.5 mag in mid May, but it was still strongly condensed. Northern people cannot see it again. In the Southern Hemisphere, it will be observable in May and June, but it only 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)
May 18 5 16.72 10 29.6 1.531 0.754 25 9.2 74.3 132.1 18:31 (108, 7)
May 25 5 40.32 5 4.8 1.642 0.882 27 10.0 62.9 133.3 18:28 (103, 10)
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It suddenly bursted out in late January and reached to 2.5 mag. Then it had been fading rapidly down to 9.5 mag. But the fading became slower in April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 17 49.91 31 52.2 1.499 2.185 119 11.3 37.5 304.0 2:09 (180, 23)
May 25 17 32.81 33 56.2 1.586 2.284 121 11.6 33.5 296.0 1:25 (180, 21)
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It seems fading rapidly. It keeps observable until it fades out 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)
May 18 19 1.33 71 28.1 1.722 1.883 82 11.8 42.5 342.5 3:20 (180,-16)
May 25 18 36.06 75 41.9 1.830 1.943 80 12.1 36.3 332.4 2:28 (180,-21)
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New comet. Although it will be observable all after this in the Northern Hemisphere, it will be fainter gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 18 6.27 59 34.4 1.391 1.795 95 12.8 72.3 321.2 2:26 (180, -4)
May 25 17 16.95 65 2.7 1.478 1.835 93 13.0 62.9 307.3 1:11 (180,-10)
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It is fading rapidly since mid April. It is moving fast towards south and will be low in the evening sky in mid June. It was 12 mag in mid May visually, but 16 mag by CCD, so there is a large difference.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 9 43.92 7 4.9 1.018 1.422 88 12.8 58.2 168.7 18:31 (169, 48)
May 25 9 49.32 1 16.4 1.185 1.498 85 13.5 45.0 164.9 18:28 (160, 52)
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It will be observable at 13 mag until September. It is fainter than 14 mag by CCD.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 1 55.31 77 16.1 3.957 3.547 59 12.9 23.0 35.4 5:21 (194,-30)
May 25 2 28.79 79 24.7 3.955 3.551 59 12.9 23.7 40.1 5:25 (192,-31)
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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)
May 18 2 30.12 2 23.2 2.649 1.772 23 13.1 37.4 77.8 5:21 (263, 5)
May 25 2 46.90 3 15.1 2.672 1.819 26 13.4 36.0 78.8 5:25 (260, 8)
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It is in outburst, 13.5 mag on May 8.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 21 9.83 -17 46.4 5.536 5.836 102 13.5 2.3 60.6 5:21 (186, 73)
May 25 21 10.54 -17 39.6 5.428 5.834 108 13.4 1.2 47.6 5:01 (180, 73)
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It is at the peak now, but only 13-14 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 21 29.68 -10 28.5 0.658 1.258 95 13.6 60.3 110.4 5:21 (195, 65)
May 25 21 56.27 -12 59.9 0.643 1.263 96 13.6 59.2 112.2 5:25 (194, 67)
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The brightening seems slow, so it reaches only up to 14 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)
May 18 19 50.41 21 6.4 2.389 2.842 106 14.3 28.3 280.7 4:09 (180, 34)
May 25 19 35.02 21 37.2 2.254 2.818 113 14.1 33.9 276.0 3:26 (180, 33)
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It will be observable at around 14.5 mag in good position until September. It was reported as 13 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 16 53.43 12 17.1 4.452 5.297 143 14.2 13.5 321.8 1:12 (180, 43)
May 25 16 49.29 13 28.9 4.433 5.287 144 14.2 13.3 318.1 0:41 (180, 42)
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It will reach to 13 mag at the end of this year. In the northern hemisphere, it keeps low in the south after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 15 34.43 -40 26.2 1.939 2.906 159 14.9 12.9 267.5 23:49 ( 0, 85)
May 25 15 26.38 -40 24.7 1.883 2.850 158 14.8 13.3 274.0 23:13 ( 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)
May 18 11 33.13 9 15.9 1.897 2.476 113 15.0 2.2 154.4 19:49 (180, 46)
May 25 11 34.22 8 57.8 1.939 2.434 106 14.9 4.9 131.0 19:23 (180, 46)
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It will be 10.5 mag in 2003 spring. It was fainter than this ephemeris, around 16 mag recently.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 6 57.59 25 44.0 3.339 2.737 46 15.0 21.8 97.3 18:31 (136, 14)
May 25 7 8.97 25 22.8 3.378 2.712 42 15.0 22.6 98.2 18:28 (133, 12)
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It will be observable at 15 mag until August when it becomes low in the evening sky. It is brighter than this ephemeris recently, 14.5 mag even by CCD.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 11 0.74 18 23.6 2.811 3.181 102 15.1 6.7 148.3 19:17 (180, 37)
May 25 11 2.92 17 41.5 2.884 3.160 96 15.1 8.3 139.8 18:51 (180, 37)
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Not yet observed in this return. Appearing at dawn. It will reach to 13.5 mag between July and October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 1 15.66 3 33.1 2.348 1.675 38 15.5 43.7 65.9 5:21 (251, 20)
May 25 1 34.68 5 38.5 2.272 1.628 39 15.2 45.1 66.4 5:25 (247, 21)
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It is observable until autumn at 15 mag. It was reported as 14 mag visually, but as 16 mag by CCD, so there is a large difference.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 10 10.55 64 13.2 5.309 5.158 75 15.2 13.5 158.4 18:31 (180, -9)
May 25 10 16.12 62 45.4 5.386 5.175 72 15.3 13.8 155.5 18:28 (177, -8)
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It will be 12 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)
May 18 9 45.22 -2 39.5 4.746 4.896 92 15.5 8.1 309.6 18:31 (166, 57)
May 25 9 42.66 -2 5.5 4.824 4.846 85 15.5 6.5 313.7 18:28 (155, 55)
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Now it is at the peak. It became brighter than expected.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 10 34.78 18 16.6 2.090 2.424 96 15.7 16.9 153.0 18:51 (180, 37)
May 25 10 39.07 16 30.2 2.161 2.410 91 15.7 18.2 147.3 18:28 (180, 39)
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Fading now. 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)
May 18 11 32.81 40 10.2 2.466 2.785 97 16.0 16.5 165.0 19:49 (180, 15)
May 25 11 35.86 38 19.1 2.587 2.832 93 16.2 16.9 159.7 19:24 (180, 17)
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It keeps brighter than 17 mag until August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 15 37.06 -16 3.2 2.884 3.894 176 16.1 9.8 276.5 23:52 (180, 71)
May 25 15 32.40 -15 55.8 2.900 3.903 170 16.1 9.5 275.9 23:20 (180, 71)
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Not yet observed in this return. It is getting brighter in the morning sky. It will reach to 15.5 mag in July and August. It bursted out and became 6 mag brighter than this ephemeris in the previous return in 1996.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 19 39.58 -16 42.9 1.103 1.857 122 16.7 17.8 71.8 3:58 (180, 72)
May 25 19 47.28 -16 4.3 1.032 1.835 127 16.5 15.6 69.7 3:38 (180, 71)
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New comet. It will reach to 14 mag in the southern sky in 2003 summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 15 46.95 0 18.2 4.679 5.640 160 16.9 9.1 257.1 0:06 (180, 55)
May 25 15 42.77 0 2.1 4.644 5.598 158 16.8 9.3 253.9 23:30 (180, 55)
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It keeps 17 mag locating at the same altitude until October in the Northerm Hemisphere.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 18 35.25 -16 23.8 10.642 11.413 137 17.1 2.5 278.1 2:54 (180, 71)
May 25 18 33.94 -16 21.6 10.584 11.427 144 17.1 2.9 275.4 2:25 (180, 71)
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New comet. It keeps 17 mag until July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 19 55.05 -24 6.1 2.613 3.248 120 17.2 20.0 315.3 4:14 (180, 79)
May 25 19 47.12 -22 23.2 2.518 3.252 128 17.1 22.9 311.5 3:38 (180, 77)
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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)
May 18 11 12.45 15 21.5 1.375 1.917 105 17.1 26.0 128.6 19:29 (180, 40)
May 25 11 22.36 13 29.0 1.479 1.963 102 17.3 26.2 127.3 19:11 (180, 42)
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Although it was so faint as 18.5 mag in March, it brightened to 17.5 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 13 43.41 1 40.9 2.442 3.319 144 17.6 6.9 263.1 21:59 (180, 53)
May 25 13 40.58 1 31.7 2.485 3.307 137 17.6 5.5 251.1 21:28 (180, 53)
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No observations have been reported since 2001 December. If it keeps the brightness of small outburst in 2001 autumn, it is probably brighter than 18 mag still now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 21 46.68 12 5.7 8.244 8.201 84 17.7 5.2 354.5 5:21 (194, 42)
May 25 21 46.25 12 41.1 8.182 8.246 90 17.7 5.1 345.2 5:25 (184, 42)
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New comet. It is a far object. It will be 17 mag all through in 2003 and 2004.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 18 20 14.99 9 3.5 6.343 6.696 106 17.8 9.6 316.7 4:33 (180, 46)
May 25 20 11.59 9 51.7 6.219 6.671 112 17.7 10.3 311.0 4:02 (180, 45)
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