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In the Northern Hemisphere, it will never be observable again. Recent brightness is uncertain.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 1 53.33 -8 11.2 1.550 1.164 48 8.0 53.9 147.0 5:28 (258, 31)
June 7 2 7.41 -13 35.0 1.524 1.263 55 8.2 56.0 147.9 5:32 (260, 37)
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Getting higher in the morning sky in the Southern Hemisphere. It was 10 mag still in early May, but very diffused. Recent brightness is uncertain.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 4 21.29 -15 21.1 3.025 2.301 37 10.6 18.6 86.4 5:28 (286, 5)
June 7 4 29.95 -15 16.9 3.118 2.410 38 10.8 17.3 89.9 5:32 (282, 9)
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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 31 5 34.83 14 8.5 3.773 2.821 17 12.2 4.1 27.6 18:26 (107, -1)
June 7 5 35.83 14 32.8 3.796 2.811 12 12.2 4.0 33.8 18:25 (103, -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 31 19 2.67 -28 49.7 1.549 2.449 144 12.4 7.5 206.6 2:31 (180, 84)
June 7 19 0.21 -29 37.2 1.509 2.451 151 12.4 9.0 220.3 2:01 (180, 85)
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Getting lower rapidly while getting fainter. It will be unobservable in August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 11 16.13 7 58.1 2.239 2.579 97 12.7 20.6 147.2 18:42 (180, 47)
June 7 11 21.67 5 59.8 2.370 2.627 93 12.9 20.6 143.2 18:25 (178, 49)
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Getting brighter slowly. It will be 10 mag in autumn. In the Northern Hemisphere, it will observable only until July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 11 56.34 33 44.7 1.725 2.068 94 13.1 41.0 227.5 19:21 (180, 21)
June 7 11 41.09 30 23.0 1.748 1.979 87 12.9 38.9 220.6 18:38 (180, 25)
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Now it is in outburst and bright around 13.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 22 48.03 -4 17.3 5.713 5.756 87 13.5 5.0 54.0 5:28 (202, 57)
June 7 22 49.69 -3 58.0 5.602 5.755 93 13.4 4.0 49.8 5:32 (189, 59)
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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 31 3 3.75 -32 44.0 5.153 4.700 58 13.8 12.2 105.1 5:28 (292, 29)
June 7 3 10.33 -33 9.8 5.027 4.630 61 13.7 12.6 109.6 5:32 (290, 33)
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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 31 15 10.03 -21 40.5 1.369 2.352 161 13.7 8.4 279.9 22:35 (180, 77)
June 7 15 6.42 -21 31.1 1.416 2.371 154 13.8 6.2 281.3 22:04 (180, 77)
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It will set down under horizon soon. It will appear at dawn again in 2004 January at 14 mag, then fade out gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 6 44.18 22 14.7 2.752 1.955 31 14.2 32.9 92.4 18:26 (123, 7)
June 7 7 0.98 22 0.9 2.752 1.919 28 14.1 33.9 94.1 18:25 (122, 5)
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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 31 19 0.76 51 56.1 5.214 5.468 99 14.3 11.1 336.7 2:29 (180, 3)
June 7 18 57.05 53 3.6 5.217 5.485 99 14.4 10.4 330.1 1:58 (180, 2)
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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 will be unobservable soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 18 35.52 -47 14.1 2.945 3.813 144 14.7 16.5 186.7 2:04 ( 0, 78)
June 7 18 33.18 -49 4.1 2.894 3.790 147 14.6 15.7 197.2 1:34 ( 0, 76)
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It will be 14 mag from spring to summer. It was reported brighter than 14 mag visually these days.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 15 54.97 -9 29.4 1.647 2.640 165 14.8 9.1 278.9 23:20 (180, 64)
June 7 15 50.88 -9 22.6 1.645 2.618 159 14.8 8.2 273.7 22:48 (180, 64)
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New comet. It was captured by SWAN images which show that the comet was as bright as 10 mag in the evening low sky in April. It still keeps 15 mag, howerver, it will fade rapidly after this and will be fainter than 18 mag in July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 8 50.03 27 9.0 1.343 1.193 58 14.8 78.8 103.8 18:26 (150, 21)
June 7 9 27.08 24 44.6 1.445 1.301 60 15.5 69.9 107.8 18:25 (151, 24)
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It is expected to be 1 mag in the southern sky in 2004 spring. It will appear at dawn again in July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 4 50.18 27 55.9 5.702 4.699 7 15.0 7.7 79.1 18:26 (112,-17)
June 7 4 54.27 28 6.4 5.635 4.625 5 14.9 8.0 78.8 5:32 (249,-20)
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It will appear at dawn in September at 15 mag, then fade out gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 4 49.88 16 53.3 3.047 2.044 6 15.1 35.1 81.8 18:26 (103,-11)
June 7 5 6.92 17 24.5 3.043 2.035 5 14.9 35.3 83.4 18:25 (102,-14)
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Appearing at dawn. 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 31 1 31.20 5 56.1 2.832 2.248 45 14.9 26.0 71.2 5:28 (241, 26)
June 7 1 42.47 6 52.2 2.812 2.289 49 15.1 24.7 71.9 5:32 (237, 29)
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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 31 17 14.42 24 7.9 2.909 3.674 132 15.3 30.6 275.3 0:44 (180, 31)
June 7 16 58.40 24 18.4 2.850 3.619 133 15.2 32.0 270.5 0:00 (180, 31)
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It will appear at dawn again in late July, then it will keep 14-15 mag until the end of 2003.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 5 34.85 20 53.8 3.495 2.530 15 15.4 4.0 154.5 18:26 (112, -5)
June 7 5 35.81 20 28.2 3.515 2.517 8 15.4 4.2 150.4 18:25 (108,-10)
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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 31 17 22.39 6 28.8 4.102 4.997 148 15.6 13.6 317.0 0:51 (180, 49)
June 7 17 17.96 7 35.5 4.107 5.007 149 15.6 13.2 313.7 0:19 (180, 47)
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It keeps 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)
May 31 19 44.88 -5 38.3 2.167 2.925 130 15.8 19.0 345.4 3:13 (180, 61)
June 7 19 42.11 -3 30.4 2.119 2.935 136 15.8 19.5 338.8 2:43 (180, 59)
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Although it has been bright and observable for a long time, it will be fainter than 17 mag and getting lower in the evening sky in August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 13 11.17 37 18.6 4.626 4.980 104 16.0 14.0 211.7 20:36 (180, 18)
June 7 13 7.35 35 53.9 4.746 5.021 99 16.1 13.6 205.3 20:05 (180, 19)
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Appearing at dawn. It will be observable at around 16 mag in good condition. No observations have been reported since Feb. 3.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 1 12.80 19 26.9 4.507 3.871 45 16.4 4.3 342.7 5:28 (228, 19)
June 7 1 11.86 19 55.7 4.403 3.870 52 16.3 4.8 328.3 5:32 (221, 23)
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It keeps 17 mag until 2004 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 12 34.68 33 5.3 6.309 6.588 101 16.4 7.9 196.7 20:00 (180, 22)
June 7 12 33.70 32 11.3 6.433 6.621 96 16.4 8.0 189.3 19:32 (180, 23)
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New comet. It keeps 16.5 mag until 2004 autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 21 14.40 29 11.2 8.355 8.497 94 16.4 8.1 321.6 4:42 (180, 26)
June 7 21 11.46 29 54.6 8.265 8.494 99 16.4 8.4 315.6 4:12 (180, 25)
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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 31 11 48.91 -5 7.6 1.084 1.722 110 16.7 13.5 187.6 19:15 (180, 60)
June 7 11 49.12 -6 46.9 1.094 1.665 104 16.5 15.2 169.9 18:47 (180, 62)
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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 31 18 24.69 37 25.9 5.282 5.782 114 16.7 17.0 301.0 1:53 (180, 18)
June 7 18 15.80 38 22.4 5.254 5.776 116 16.7 17.1 295.7 1:17 (180, 17)
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It became brighter than expected after the perihelion passage, and reached to 13 mag in March. Then it faded rapidly and already reached to 16 mag now. It will be fainter than 18 mag in July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 11 43.22 12 28.1 1.878 2.310 101 16.7 17.7 123.1 19:09 (180, 43)
June 7 11 50.56 11 19.1 1.985 2.343 97 16.9 18.9 122.2 18:49 (180, 44)
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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 31 16 23.00 50 52.4 3.594 4.014 107 17.3 15.1 232.1 23:47 (180, 4)
June 7 16 14.46 49 39.7 3.596 4.011 106 17.3 16.2 225.0 23:11 (180, 5)
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New periodic comet. It only becomes 16.7 mag at best in July, then it will fade out soon. In the Northern Hemisphere, it goes to the southern sky and becomes unobservable soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 11 0.90 32 18.4 0.719 1.188 84 17.5 47.5 161.6 18:27 (180, 23)
June 7 11 9.84 26 45.1 0.694 1.151 82 17.3 53.4 159.8 18:25 (176, 28)
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Appearing at dawn. It keeps 17.5 mag until August. However, it locates low, around 27-30 deg high, 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 31 20 20.38 -23 2.1 2.512 3.225 127 17.4 3.3 170.8 3:49 (180, 78)
June 7 20 20.12 -23 27.0 2.448 3.235 133 17.3 4.1 201.8 3:21 (180, 78)
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Although it is 17.5 mag in June, it will be fainter than 18 mag in July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 17 24.00 10 6.4 1.271 2.183 145 17.4 50.2 226.8 0:53 (180, 45)
June 7 17 6.26 5 49.4 1.244 2.190 151 17.4 54.6 224.7 0:08 (180, 49)
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It will be observable around 17.5 mag until autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 31 19 11.39 -15 11.8 11.334 12.141 141 17.4 2.6 272.5 2:40 (180, 70)
June 7 19 10.03 -15 11.4 11.281 12.154 148 17.4 3.0 270.3 2:11 (180, 70)
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