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Appearing at dawn in the Southern Hemisphere. In the Northern Hemisphere, it will never be observable again.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 1 1.21 11 34.6 1.627 0.817 24 7.0 48.5 147.8 3:34 (254, -2)
May 10 1 13.67 6 47.1 1.620 0.891 29 7.3 49.2 146.9 3:25 (259, -4)
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Only observable in the Southern Hemisphere. No observations have been reported since Mar. 8 when it was 5.3 mag. Fading very slowly. It was still 7.7 mag in early April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 3 39.58 -17 3.6 2.559 1.839 35 9.6 25.8 75.7 20:20 ( 87,-27)
May 10 3 51.26 -16 24.1 2.690 1.960 35 9.9 23.5 77.9 20:28 ( 91,-31)
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It will be low in the evening sky and fainter than 13 mag in June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 11 1.06 16 52.9 1.763 2.399 117 11.8 21.4 169.4 20:20 ( 2, 72)
May 10 11 3.52 14 29.1 1.873 2.442 112 12.0 21.0 162.9 20:28 ( 24, 68)
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It will be observable in good condition at 11-12 mag in autumn again.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 5 33.89 12 7.3 3.536 2.875 42 12.2 5.4 343.7 20:20 ( 96, 13)
May 10 5 33.46 12 41.8 3.615 2.859 35 12.2 4.7 356.2 20:28 (101, 6)
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It is observable at 12.5 mag for long time until August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 18 58.31 -26 7.8 1.794 2.447 118 12.7 8.8 122.4 3:34 (349, 28)
May 10 19 1.51 -26 42.7 1.722 2.446 125 12.6 7.1 137.5 3:25 (353, 28)
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Getting brighter more slowly than usual, and it is still 14 mag. It may become only 10 mag in autumn at best. In the Northern Hemisphere, it will observable only until July, when it may be still 12 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 13 28.09 42 47.2 1.758 2.420 119 13.6 43.0 259.9 22:41 (180, 82)
May 10 13 1.61 41 29.3 1.726 2.332 114 13.4 43.9 251.2 21:48 (180, 84)
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It was observed visually at around 12 mag these days.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 15 31.01 -22 12.7 1.294 2.285 165 13.4 10.4 271.8 0:50 ( 0, 33)
May 10 15 25.54 -22 8.3 1.295 2.301 173 13.5 11.2 274.5 0:17 ( 0, 33)
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Appearing at dawn, but not yet observed in this season.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 22 37.11 -5 56.4 6.139 5.760 63 13.6 8.5 61.4 3:34 (290, 16)
May 10 22 40.42 -5 28.8 6.037 5.759 69 13.6 7.7 60.2 3:25 (292, 19)
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It will reach to 1 mag in 2004 spring. In the Northern Hemisphere, it is not observable until that time. No observations have been reported since Jan. 24.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 2 38.81 -32 7.0 5.601 4.977 47 14.2 10.7 88.1 3:34 (282,-45)
May 10 2 44.80 -32 7.2 5.499 4.909 49 14.1 11.0 92.3 3:25 (284,-43)
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It is observable in good condition at 14-15 mag until autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 19 7.73 46 17.6 5.246 5.405 93 14.2 13.5 359.3 3:34 (217, 75)
May 10 19 7.21 47 50.4 5.231 5.420 95 14.2 13.0 354.1 3:25 (204, 76)
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Appearing at dawn in the Southern Hemisphere. In the Northern Hemisphere, it will appear at dawn in June at 15.5 mag, then it will be fading. No observations have been reported since 2002 September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 0 41.32 1 25.1 2.868 2.086 32 14.3 30.7 69.2 3:34 (265, -4)
May 10 0 54.48 2 39.5 2.866 2.125 35 14.5 29.5 69.5 3:25 (265, -3)
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It became brighter than expected after the perihelion passage, and it was observed visually around 13 mag in March. It is fading rapidly, 16 mag by CCD in late April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 11 20.50 16 23.4 1.482 2.186 121 14.5 10.6 129.5 20:37 ( 0, 71)
May 10 11 24.97 15 32.6 1.575 2.216 116 14.7 12.8 127.2 20:28 ( 10, 70)
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Brightening gradually. It is only observable until late May. It is not observable around the perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 5 42.49 22 5.2 2.717 2.109 43 14.6 28.2 86.0 20:20 (103, 20)
May 10 5 57.01 22 16.2 2.732 2.069 40 14.5 29.5 87.6 20:28 (106, 16)
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No observations have been reported since Mar. 20, so the current brightness is uncertain. It might brighten after the perihelion passage and may be brighter than this ephemeris now. However, it will set under the horizon soon, and then fade out.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 3 50.46 32 22.3 2.659 1.780 23 14.6 41.7 77.4 20:20 (126, 5)
May 10 4 12.97 33 18.0 2.712 1.815 21 15.1 40.8 79.9 20:28 (129, 4)
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It will be observable at 14.5 mag for a long time from spring to autumn in the Southern Hemisphere. In the Northern Hemisphere, it locates very low in the morning until spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 18 44.68 -41 18.6 3.264 3.886 121 15.0 13.2 173.0 3:34 (354, 13)
May 10 18 45.13 -42 52.2 3.167 3.864 127 14.9 13.6 180.7 3:25 (358, 12)
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It will be 14 mag from spring to summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 16 10.58 -10 42.5 1.779 2.736 157 15.1 6.8 299.4 1:30 ( 0, 44)
May 10 16 7.36 -10 19.7 1.727 2.711 163 15.0 8.2 292.6 0:59 ( 0, 45)
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It is expected to be 1 mag in the southern sky in 2004 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 4 35.75 27 21.2 5.840 4.989 29 15.3 6.0 80.4 20:20 (116, 10)
May 10 4 38.99 27 28.6 5.825 4.917 23 15.2 6.5 80.0 20:28 (121, 4)
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It will keep 14-15 mag until the end of 2003. Recently it was reported 1 mag fainter 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 3 5 34.38 22 40.5 3.264 2.603 41 15.4 4.6 204.8 20:20 (105, 19)
May 10 5 33.76 22 12.3 3.343 2.582 35 15.4 4.0 189.0 20:28 (109, 11)
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New comet. It will be observable in good condition at 16 mag until autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 17 37.04 1 16.8 4.223 4.964 132 15.6 13.2 334.1 2:56 ( 0, 56)
May 10 17 34.06 2 39.3 4.172 4.971 138 15.6 13.6 329.1 2:25 ( 0, 58)
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New comet. It will be 13 mag in autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 19 44.70 -13 57.3 2.346 2.803 106 15.8 17.9 16.0 3:34 (333, 37)
May 10 19 46.54 -11 51.0 2.195 2.741 112 15.6 19.1 8.2 3:25 (336, 40)
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It became a bit fainter after the perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 13 36.39 42 9.7 4.226 4.818 120 15.7 15.5 237.6 22:51 (180, 83)
May 10 13 28.63 41 7.1 4.312 4.858 117 15.8 15.2 231.1 22:16 (180, 84)
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New comet. It will be as bright as 11.5 mag in 2004 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 18 5.37 21 11.6 3.330 3.898 117 15.8 20.8 294.4 3:24 ( 0, 76)
May 10 17 55.03 22 9.3 3.202 3.842 122 15.7 23.5 289.5 2:47 ( 0, 77)
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It keeps 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)
May 3 12 44.18 36 10.6 5.868 6.455 121 16.2 8.0 227.7 21:59 (180, 89)
May 10 12 40.99 35 30.2 5.968 6.488 116 16.2 8.0 220.0 21:29 (180, 90)
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As it is a very far object, it keeps 17 mag until 2004 summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 18 52.47 32 27.8 5.508 5.813 102 16.8 15.2 322.0 3:34 (286, 82)
May 10 18 46.83 33 50.0 5.436 5.805 106 16.8 15.8 316.7 3:25 (293, 87)
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New comet. It raeched to the best at 16.5 mag in mid April. Now it is fading rapidly and 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 3 10 47.75 -22 42.5 0.737 1.554 125 17.3 90.0 257.0 20:20 ( 5, 32)
May 10 10 10.96 -24 25.3 0.875 1.560 111 17.6 59.4 259.3 20:28 ( 23, 27)
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It will not be observable around the perihelion passage. Before the perihelion passage, it is observable until July when it reaches 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 3 12 8.26 -0 19.4 1.079 1.961 139 17.6 19.3 248.5 21:23 ( 0, 55)
May 10 12 0.64 -1 14.6 1.072 1.900 131 17.3 17.0 239.1 20:48 ( 0, 54)
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New comet. It will keep 17.5 mag until summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 16 58.16 53 12.2 3.650 4.031 105 17.4 10.2 264.8 2:17 (180, 72)
May 10 16 49.89 52 59.0 3.628 4.026 106 17.3 11.5 255.7 1:41 (180, 72)
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It will be observable around 17.5 mag from spring to autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 19 14.66 -15 20.6 11.645 12.087 113 17.4 0.8 307.4 3:34 (342, 38)
May 10 19 14.20 -15 17.4 11.555 12.100 120 17.4 1.3 289.0 3:25 (347, 39)
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New comet. It will reach to 17.5 mag in June at best.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 3 18 18.03 21 7.2 1.582 2.205 114 17.9 22.5 231.7 3:34 (357, 76)
May 10 18 7.96 19 15.1 1.488 2.198 122 17.8 29.2 231.5 2:59 ( 0, 74)
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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 3 9 13.61 24 13.1 5.757 5.868 91 17.8 4.6 69.1 20:20 ( 73, 64)
May 10 9 16.05 24 23.0 5.892 5.893 85 17.9 5.4 77.0 20:28 ( 81, 57)
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Brightness change became a bit slower after the perihelion passage. 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 3 10 17.66 19 7.0 1.827 2.331 107 17.8 17.4 119.1 20:20 ( 35, 71)
May 10 10 25.38 18 6.3 1.943 2.375 102 18.1 18.4 118.7 20:28 ( 49, 66)
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