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Good condition and visible with naked-eye in the Southern Hemisphere. In the Northern Hemisphere, it locates extremely low sky at dawn until early May. It reaches to 1.5-2 mag in mid May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 0 6.07 0 37.6 0.815 0.639 39 3.5 48.9 125.7 5:10 (254, 20)
May 8 0 38.35 -3 46.4 0.548 0.695 40 2.8 122.4 114.6 5:15 (258, 23)
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Good condition and visible with naked-eye in the Southern Hemisphere. In the Northern Hemisphere, it is not observable until early May. It reaches to 3 mag in early and mid May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 6 14.00 -44 30.0 0.370 0.997 77 3.3 262.1 35.5 18:43 ( 63, 54)
May 8 7 37.66 -11 35.9 0.323 0.972 74 3.0 342.3 24.6 18:37 (125, 52)
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It appeared in the morning sky in late April, and it was observed as bright as 3-4 mag with a long tail as 10 deg in spite of locating very low. In the Northern Hemisphere, the comet will be higher and higher after this. Although it becomes fainter rapidly, it will be a good target for visual observation in May. Not observable in the Southern Hemisphere.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 0 58.47 33 35.1 1.087 0.520 28 5.9 61.5 359.3 5:10 (236,-10)
May 8 1 1.11 39 23.5 1.252 0.705 34 7.2 41.6 10.7 5:15 (228, -9)
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Appearing at dawn. Now it is 9.5 mag, as bright as expected. In the Northern Hemisphere, it keeps low after this until autumn. Not observable in the Southern Hemisphere.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 1 16.50 29 56.4 2.353 1.481 23 9.6 51.6 44.8 5:10 (241,-11)
May 8 1 37.07 34 9.8 2.334 1.486 25 9.6 52.3 46.6 5:15 (236,-11)
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It keeps 10-11 mag until mid May. Good condition in the Southern Hemisphere, but it locates lower than 10 deg in the Northern Hemisphere. It becomes higher after June, but the comet will be fading at that time.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 23 7.52 -9 21.7 1.650 1.382 56 10.9 48.0 69.0 5:10 (253, 38)
May 8 23 28.28 -7 20.9 1.639 1.396 57 11.1 46.5 68.4 5:15 (249, 39)
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The condition is worst in this return. It is not observable around the perihelion passage. It will appear at dawn in autumn, when it will already fade to 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 1 50.68 13 53.7 2.038 1.064 10 11.1 64.5 76.6 5:10 (259, -9)
May 8 2 21.26 15 30.5 2.027 1.046 9 10.9 65.1 78.5 5:15 (257, -9)
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Well condensed and easy to see. It will be 6.5 mag in the southern sky from autumn to winter in 2004. In the Northern Hemisphere, it is observable in good condition until early September when it becomes to 7.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 20 7.16 30 42.7 2.508 2.669 87 11.3 21.8 332.4 5:10 (185, 24)
May 8 20 0.35 33 4.6 2.333 2.587 92 11.0 25.8 325.1 4:56 (180, 22)
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It was diffused around 11.5 mag visually in February and March. But it began to fade in mid April. It will be lower and fainter gradually in the evening sky after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 8 34.48 -13 33.2 2.085 2.372 93 13.0 22.6 303.9 18:43 (150, 66)
May 8 8 26.87 -12 13.8 2.255 2.399 85 13.3 16.7 307.2 18:37 (138, 61)
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It will be lower and lower while fading after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 5 29.50 15 48.0 2.239 1.640 42 13.1 43.0 94.8 18:43 (122, 15)
May 8 5 50.12 15 18.5 2.291 1.660 40 13.3 42.6 96.3 18:37 (122, 16)
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Appearing at dawn. But no observations have been reported yet.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 23 59.68 6 12.5 6.474 5.725 38 13.7 11.1 61.4 5:10 (249, 18)
May 8 0 4.14 6 49.2 6.403 5.724 44 13.7 10.6 60.7 5:15 (243, 23)
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Not observable. It will appear at dawn soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 0 54.30 13 36.1 4.952 4.053 24 14.6 4.6 33.8 5:10 (251, 3)
May 8 0 55.38 14 2.4 4.940 4.100 30 14.7 4.2 27.5 5:15 (246, 8)
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At the previous appearance, it brightened after the perihelion passage and reached to 10 mag. If it has behaved so again, it could have reach to 13 mag in February and March. However, it must be much fainter actually than expected. It seems to go while nobody succeeded to observe it in this return.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 4 0.69 11 22.8 2.782 1.880 21 14.9 38.2 78.4 18:43 (105, 1)
May 8 4 18.29 12 12.3 2.853 1.930 19 15.1 37.0 79.8 18:37 (105, 0)
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The brightness evolution is gradual in this return. So it will reach to 15 mag at best.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 16 0.61 1 37.3 1.103 2.052 152 15.1 8.5 284.4 1:25 (180, 53)
May 8 15 56.40 1 46.1 1.120 2.086 156 15.3 9.6 272.3 0:53 (180, 53)
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It became brighter than expected after the perihelion passage, and it was observed visually around 13.5 mag in February and March. It keeps the same brightness still in late April so now it is 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)
May 1 12 44.65 7 0.9 1.504 2.400 145 15.3 10.8 223.6 22:05 (180, 48)
May 8 12 41.78 6 3.5 1.574 2.424 138 15.4 9.8 209.1 21:35 (180, 49)
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It is expected to be 5 mag in 2005 spring. Until that time, it keeps observable in the Northern Hemisphere, which the comet will be getting brighter gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 5 12.53 69 38.8 5.061 4.637 59 15.7 7.8 108.9 18:43 (160,-24)
May 8 5 22.81 69 22.9 5.041 4.565 56 15.6 8.3 103.9 18:37 (159,-24)
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It is observable at 15-16 mag for a long time until 2005 autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 13 20.06 12 2.5 2.255 3.150 147 15.7 9.6 261.0 22:40 (180, 43)
May 8 13 15.86 11 47.3 2.285 3.136 141 15.8 8.6 250.8 22:08 (180, 43)
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Althouhg it must be fainter than 17 mag, it unexpectedly brightened from February to March and reached to 14.5 mag. It has already begun to fade, and faded to 16 mag in mid April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 11 28.86 10 6.4 2.154 2.883 127 15.9 0.1 105.5 20:50 (180, 45)
May 8 11 29.43 10 2.2 2.260 2.913 121 16.1 2.5 117.0 20:23 (180, 45)
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In the Northern Hemisphere, it keeps fading at about 35 deg high until August when it becomes fainter than 18 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 19 40.81 -18 33.3 2.045 2.531 107 15.9 4.7 77.3 5:04 (180, 74)
May 8 19 42.38 -18 27.9 1.998 2.572 113 16.0 1.8 73.9 4:38 (180, 73)
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It will be fading slowly until November when it becomes fainter than 18 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 19 14.55 35 21.9 5.803 6.004 96 16.9 11.4 356.1 4:38 (180, 20)
May 8 19 13.79 36 39.9 5.780 6.034 99 16.9 11.1 350.3 4:10 (180, 18)
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New comet. Now it is at peak at 17 mag. It will become low soon, and will fade out while locating low.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 3 52.83 78 7.5 1.405 1.319 63 16.9 59.8 151.9 18:43 (166,-32)
May 8 4 32.08 72 13.4 1.514 1.278 56 17.0 50.1 160.4 18:37 (160,-29)
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It will be observable at 17.5 mag in good condition until August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 18 33.83 11 31.8 2.755 3.308 114 17.0 3.6 32.4 3:57 (180, 43)
May 8 18 34.29 11 50.4 2.700 3.320 119 17.0 2.2 359.8 3:30 (180, 43)
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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 1 15 52.61 54 47.6 5.558 5.949 108 17.0 16.5 291.3 1:17 (180, 0)
May 8 15 39.85 55 22.7 5.588 5.963 107 17.0 16.3 284.6 0:37 (180, 0)
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It was at peak in mid April. It will be lower while fading after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 11 55.22 47 25.0 1.484 2.037 108 17.4 19.5 352.1 21:16 (180, 7)
May 8 11 54.30 49 23.8 1.563 2.026 101 17.5 14.7 0.1 20:47 (180, 6)
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It 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)
May 1 13 27.00 7 20.6 6.196 7.103 152 17.6 8.8 261.5 22:47 (180, 48)
May 8 13 23.05 7 10.1 6.291 7.148 145 17.7 8.2 258.1 22:16 (180, 48)
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It will be observable around 17.5 mag until June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 18 12.49 -9 11.7 3.969 4.638 126 17.7 8.7 230.0 3:36 (180, 64)
May 8 18 8.97 -9 52.4 3.908 4.664 133 17.6 10.2 233.6 3:05 (180, 65)
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It 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)
May 1 9 30.85 42 37.4 4.854 4.956 89 17.9 8.2 157.4 18:52 (180, 12)
May 8 9 33.16 41 44.5 5.011 5.016 84 18.1 8.6 151.0 18:37 (178, 13)
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It was brighter than this ephemeris recently, around 17.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 1 11 35.57 12 25.8 3.310 4.009 127 18.2 4.1 255.3 20:56 (180, 43)
May 8 11 34.07 12 15.8 3.378 3.994 121 18.2 2.9 232.1 20:27 (180, 43)
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