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It reached to 3 mag in mid May and the long tail was detected by photo in the Southern Hemisphere. But it is fading rapidly now. It is also visible in the evening low sky in the Northern Hemisphere, however it is already as faint as 5-6 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 9 23.31 -10 59.7 0.732 1.077 74 5.1 70.3 72.7 18:25 (125, 54)
June 12 9 47.02 -9 10.6 0.992 1.185 72 6.2 39.4 73.3 18:25 (126, 52)
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Good condition in the evening sky. The brightening evolution became unexpectedly slower after April, but it brightened a bit in mid May and reached to 3 mag. Now it is fading. It is not observable in the Southern Hemisphere. In the Northern Hemisphere, it keeps observable until it fades out.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 9 47.21 47 4.9 0.951 1.023 62 5.7 39.1 33.4 18:25 (164, 5)
June 12 10 0.59 50 13.7 1.132 1.071 59 6.3 27.9 36.7 18:25 (163, 1)
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New comet. It was faint as 11 mag in late April, but it brightened rapidly and reached to 7 mag in mid May. It is brightening still now although it has already passed the perihelion. It is observable in good condition in the Southern Hemisphere. It also becomes observable in the Northern Hemisphere in July. But it may fade out soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 3 8.36 -13 22.9 1.279 0.896 44 7.6 28.3 267.7 5:31 (270, 23)
June 12 2 53.96 -13 25.8 1.185 0.968 51 8.1 32.1 270.3 5:34 (264, 33)
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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)
June 5 18 50.75 43 47.2 1.718 2.254 108 9.7 50.8 294.8 1:58 (180, 11)
June 12 18 16.88 45 55.0 1.604 2.170 109 9.4 58.3 285.2 0:57 (180, 9)
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It will be visible as bright as 10 mag until July. In the Northern Hemisphere, it keeps low 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)
June 5 3 22.47 48 59.8 2.336 1.570 31 9.8 51.5 59.8 5:31 (221,-17)
June 12 3 55.62 51 43.4 2.357 1.605 33 9.9 50.3 64.8 5:34 (219,-18)
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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)
June 5 4 26.67 19 1.8 2.066 1.067 7 10.4 62.5 88.1 5:31 (254,-11)
June 12 4 57.13 19 5.5 2.095 1.094 7 10.6 60.8 90.6 5:34 (254,-11)
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Good condition in the Southern Hemisphere, but it locates low in the Northern Hemisphere. It will be higher after this, but also fading.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 0 42.55 0 10.0 1.599 1.486 64 10.6 38.8 67.9 5:31 (230, 43)
June 12 0 58.89 1 48.7 1.588 1.516 67 10.8 36.6 68.2 5:34 (224, 43)
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It turened to fade rapidly after mid May, and reached to 10-11 mag in late May. It is observable in good condition in the Northern Hemisphere after this until it becomes fainter than 18 mag in late August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 1 23.55 52 0.7 1.732 1.323 49 12.2 21.0 15.9 5:31 (206, -5)
June 12 1 27.29 54 16.8 1.817 1.458 53 13.0 19.1 11.4 5:34 (201, -5)
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Appearing at dawn. It is not in outburst now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 0 19.43 9 5.4 6.049 5.724 66 13.6 8.1 56.7 5:31 (217, 38)
June 12 0 22.47 9 35.7 5.947 5.724 72 13.6 7.3 55.0 5:34 (209, 41)
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It is observable in the evening low sky until June in the Southern Hemisphere, but it is fading.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 7 9.07 12 13.1 2.512 1.763 33 14.0 40.4 101.9 18:25 (116, 14)
June 12 7 27.73 11 11.9 2.570 1.794 32 14.2 39.8 103.2 18:25 (114, 13)
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Observed as bright as expected. It will become brighter while getting higher after this. It will be visible visually at 13 mag in July, and be observable in good condition as bright as 11 mag in autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 0 38.23 8 8.5 2.600 2.317 62 14.9 27.8 68.0 5:31 (222, 37)
June 12 0 50.39 9 20.4 2.505 2.291 66 14.6 27.7 68.4 5:34 (217, 38)
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Appearing at dawn. It will fade out gradually, and keeps observable brighter than 17 mag until the end of 2004.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 0 55.87 15 38.2 4.774 4.293 56 14.9 3.5 329.6 5:31 (222, 28)
June 12 0 54.71 15 58.3 4.709 4.341 62 14.9 4.1 312.0 5:34 (214, 32)
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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. It will turn to be visible in the morning sky in July, and it will be visible visually at 13 mag after September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 6 12.41 68 50.0 4.888 4.273 47 15.7 10.9 92.1 18:25 (157,-28)
June 12 6 26.84 68 48.0 4.830 4.199 46 15.6 11.5 90.5 18:25 (156,-29)
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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)
June 5 13 7.35 9 22.0 2.496 3.081 116 15.9 7.2 183.6 20:10 (180, 46)
June 12 13 7.63 8 28.7 2.565 3.068 110 15.9 8.2 168.7 19:43 (180, 47)
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It keeps locating high in the evening sky 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)
June 5 15 39.44 0 18.5 1.290 2.232 150 15.9 9.0 226.0 22:42 (180, 55)
June 12 15 36.91 -0 29.5 1.358 2.271 145 16.1 8.6 210.2 22:12 (180, 56)
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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)
June 5 19 34.67 -18 45.6 1.863 2.736 142 16.2 9.4 259.4 2:41 (180, 74)
June 12 19 29.60 -18 59.1 1.850 2.777 150 16.3 11.5 259.4 2:08 (180, 74)
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Although it kept as bright as 14 mag from February to April, it is fading rapidly 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)
June 5 12 42.66 1 32.7 1.932 2.527 114 16.3 11.7 152.8 19:46 (180, 54)
June 12 12 45.65 0 19.1 2.036 2.554 108 16.6 12.9 145.0 19:21 (180, 55)
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It was 18.5 mag in April, 1 mag or more fainter than expected. It will be 16.5 mag at best from July to September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 20 16.05 -15 14.6 1.674 2.468 131 17.0 4.7 143.4 3:22 (180, 70)
June 12 20 16.81 -15 45.4 1.599 2.452 138 16.9 5.0 176.5 2:55 (180, 71)
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It keeps 17 mag until July, and keeps good condition until September 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)
June 5 18 27.66 11 47.5 2.548 3.376 138 16.9 7.0 246.1 1:34 (180, 43)
June 12 18 24.40 11 22.4 2.532 3.393 142 16.9 8.5 239.1 1:03 (180, 44)
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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)
June 5 19 4.59 41 6.3 5.743 6.155 109 17.0 9.5 324.9 2:10 (180, 14)
June 12 19 0.98 41 57.1 5.749 6.186 111 17.0 9.1 317.9 1:39 (180, 13)
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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)
June 5 14 49.28 55 28.8 5.802 6.021 97 17.1 14.3 256.8 21:51 (180, 0)
June 12 14 38.33 55 0.6 5.874 6.037 94 17.2 13.6 249.9 21:13 (180, 0)
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It brightened rapidly in the former half of 2004 and reached to 17.5 mag. It becomes low in the evening sky in June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 11 35.80 10 46.0 3.702 3.931 95 17.3 6.0 137.8 18:39 (180, 44)
June 12 11 38.05 10 13.0 3.789 3.916 89 17.3 7.4 132.4 18:25 (176, 45)
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It keeps around 18 mag for a long time until 2005 summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 17 51.24 46 24.4 6.457 6.867 109 17.4 13.9 282.0 0:58 (180, 9)
June 12 17 41.89 46 39.7 6.456 6.871 110 17.4 14.0 276.2 0:21 (180, 8)
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It will be observable around 17.5 mag at about 35 deg high until September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 22 9.69 -15 22.6 3.237 3.644 105 17.5 2.8 85.2 5:15 (180, 70)
June 12 22 10.60 -15 23.3 3.162 3.667 112 17.4 1.1 114.0 4:48 (180, 70)
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New periodic comet. It only reaches to 17.5 mag at best, and will be fainter than 18 mag in late June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
June 5 15 5.78 3 28.1 0.795 1.718 143 17.6 20.1 7.0 22:08 (180, 51)
June 12 15 7.56 5 31.7 0.829 1.714 136 17.6 16.3 18.7 21:43 (180, 49)
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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)
June 5 12 10.06 53 10.9 1.874 2.016 82 17.9 10.3 73.2 19:14 (180, 2)
June 12 12 18.56 53 24.9 1.944 2.022 79 18.0 11.9 84.7 18:55 (180, 2)
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