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It is observable at 6 mag until early September. But it will be getting lower rapidly.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 13 21.12 13 54.7 1.793 1.356 48 6.3 38.2 208.4 20:11 ( 92, 22)
Aug. 28 13 13.24 10 7.9 1.867 1.285 40 6.2 34.7 205.8 20:00 ( 92, 15)
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It locates visible all night in the northern sky. It keeps observable after this in the Northern Hemisphere. It has been fading slower than expected since June, and it was bright as 9 mag still in mid August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 12 1.88 62 1.3 2.240 1.845 54 9.1 18.3 64.6 20:11 (147, 29)
Aug. 28 12 19.15 62 56.8 2.288 1.932 56 9.2 19.4 65.1 20:00 (148, 30)
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Not observable. It will appear at dawn in late October at 13.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 11 1.58 -8 43.7 3.092 2.223 25 11.4 10.9 109.6 20:11 ( 93,-19)
Aug. 28 11 6.33 -9 10.3 3.232 2.319 21 11.7 10.6 111.9 20:00 ( 94,-22)
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It keeps locating low in the morning sky until the end of August while being fading gradually. It will start to be higher after September, but when it will be fainter than 12 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 9 14.78 50 53.0 2.819 2.145 39 11.6 30.3 113.4 3:53 (218, 15)
Aug. 28 9 34.18 49 27.9 2.866 2.210 41 11.7 28.3 115.1 4:00 (220, 16)
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It turns to be in the evening sky after September, then it keeps good condition in the evening sky. It is extremely diffused visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 19 50.35 -2 41.0 0.975 1.901 146 12.5 56.7 279.7 21:47 ( 0, 52)
Aug. 28 19 28.86 -1 46.3 1.149 1.995 134 13.3 37.8 279.6 20:59 ( 0, 53)
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Already bright as 12.5 mag visually. It is observable in good condition as bright as 11-12 mag until January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 2 44.87 18 4.7 1.593 2.082 103 13.2 19.8 79.6 3:53 (322, 69)
Aug. 28 2 54.05 18 25.8 1.513 2.068 108 13.0 18.0 82.1 4:00 (338, 72)
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It is diffused visually. It was 14 mag in mid August, 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)
Aug. 21 2 42.14 11 7.0 1.368 1.919 106 13.1 7.3 71.6 3:53 (331, 63)
Aug. 28 2 44.56 11 19.4 1.340 1.965 112 13.3 3.4 68.9 4:00 (349, 66)
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It was in outburst on Aug. 12, as bright as 12 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 0 27.96 12 19.9 4.950 5.724 136 13.2 4.0 270.1 2:30 ( 0, 67)
Aug. 28 0 25.83 12 18.1 4.883 5.724 143 13.1 4.9 264.0 2:01 ( 0, 67)
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Not observed in this return yet. It will appear at dawn at 15 mag in October, then it will be fading gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 8 52.67 8 41.3 2.561 1.623 17 13.2 38.7 108.9 3:53 (254, -7)
Aug. 28 9 9.44 7 13.1 2.605 1.686 19 13.6 36.8 110.0 4:00 (258, -5)
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New comet. It is observable at 12.5 mag in good condition from October to November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 2 42.35 1 27.1 1.879 2.406 109 14.2 16.7 1.7 3:53 (338, 54)
Aug. 28 2 41.82 3 30.2 1.748 2.362 115 13.9 18.7 351.2 4:00 (352, 58)
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The brightening evolution is slower than usual. It will be October when it becomes visible visually. In the Northern Hemisphere, it keeps observable until 2005 spring when it reaches to 8 mag. It keeps observable both in the evening and morning until December, however, it keeps locating low at 20-25 deg high.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 9 41.98 69 2.8 3.873 3.430 57 14.7 19.1 91.6 3:53 (200, 24)
Aug. 28 10 7.48 68 56.2 3.750 3.350 59 14.5 20.1 93.1 4:00 (201, 24)
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It brightened rapidly in July, and reached to 14.5-15.0 mag. In the Northern Hemisphere, it keeps to be locating only around 30 deg high.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 19 44.64 -25 27.0 1.435 2.337 145 14.7 7.6 205.1 21:44 ( 0, 29)
Aug. 28 19 43.68 -26 11.0 1.480 2.330 137 14.8 5.7 184.6 21:15 ( 0, 29)
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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)
Aug. 21 0 0.72 15 40.2 4.023 4.837 139 15.1 19.6 256.6 2:03 ( 0, 71)
Aug. 28 23 51.29 15 4.8 4.004 4.888 147 15.1 20.6 254.5 1:26 ( 0, 70)
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It is observable at 13.5 mag in good condition in October and November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 2 41.48 11 48.6 1.965 2.453 106 15.3 16.5 18.0 3:53 (331, 64)
Aug. 28 2 43.33 13 42.5 1.843 2.414 112 15.1 17.1 8.6 4:00 (349, 68)
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It keeps around 16 mag until November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 1 44.20 -0 59.4 2.844 3.508 123 15.6 2.9 215.2 3:46 ( 0, 54)
Aug. 28 1 42.95 -1 18.0 2.787 3.529 130 15.6 4.7 231.5 3:17 ( 0, 54)
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It is expected to be observable at 16 mag in good condition in autumn. But it was faint as 18.5 mag in late July. So it is probably 1.5 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)
Aug. 21 23 58.97 0 29.7 1.856 2.768 148 16.5 5.3 285.5 2:01 ( 0, 56)
Aug. 28 23 56.14 0 37.3 1.796 2.747 155 16.4 7.1 276.3 1:31 ( 0, 56)
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It will be 12-13 mag in winter, locating high in the evening sky. It keeps observable until that time in good condition while the comet is getting brighter.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 3 2.96 7 36.7 2.295 2.701 102 16.8 11.9 74.9 3:53 (325, 58)
Aug. 28 3 8.00 7 56.9 2.171 2.661 107 16.5 10.3 74.7 4:00 (338, 61)
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It is observable 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)
Aug. 21 1 5.22 1 45.6 2.662 3.426 132 16.8 4.7 219.8 3:07 ( 0, 57)
Aug. 28 1 3.38 1 17.9 2.628 3.460 139 16.8 6.4 228.4 2:38 ( 0, 56)
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It is observable at 16.5 mag in good condition in autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 1 28.78 14 49.4 2.713 3.361 122 17.1 1.5 42.3 3:31 ( 0, 70)
Aug. 28 1 28.82 14 54.3 2.621 3.347 128 17.0 0.9 288.2 3:03 ( 0, 70)
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It keeps 17 mag until September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 3 0.83 9 9.0 1.127 1.672 102 17.0 21.7 95.2 3:53 (324, 60)
Aug. 28 3 10.20 8 50.3 1.097 1.697 107 17.0 18.3 100.6 4:00 (336, 62)
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It will be brightening gradually after this, and reach to 15 mag in 2005 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 18 39.82 -3 35.4 3.749 4.461 129 17.4 19.9 263.3 20:38 ( 0, 51)
Aug. 28 18 31.07 -3 52.1 3.814 4.421 121 17.4 17.8 262.1 20:02 ( 0, 51)
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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)
Aug. 21 18 24.20 43 14.4 6.159 6.507 105 17.4 4.4 218.0 20:23 (180, 82)
Aug. 28 18 22.78 42 48.3 6.228 6.540 103 17.4 4.3 203.5 20:00 (172, 82)
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Although it was predicted to fade out quickly after the perihelion passage in June, it unexpectedly keeps 16.5-17.0 mag still in late July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 16 31.03 6 1.9 1.401 1.810 95 17.5 27.9 104.9 20:11 ( 44, 53)
Aug. 28 16 43.96 5 10.7 1.472 1.832 93 17.7 29.1 104.7 20:00 ( 45, 52)
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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)
Aug. 21 16 28.75 41 39.8 6.904 6.924 86 17.6 9.7 217.6 20:11 (116, 69)
Aug. 28 16 25.45 40 45.8 6.975 6.931 83 17.6 9.1 211.5 20:00 (112, 65)
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It keeps observable in good condition at 17 mag until 2005 spring. It will reach to 16 mag in 2006.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 5 42.26 39 26.8 7.207 6.808 62 17.7 8.3 62.8 3:53 (247, 45)
Aug. 28 5 46.58 39 54.0 7.078 6.776 68 17.6 7.9 59.9 4:00 (248, 50)
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It reaches to 17.5 mag in October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 21 3 9.00 25 1.0 3.679 3.924 96 17.8 7.8 118.5 3:53 (295, 71)
Aug. 28 3 12.16 24 32.1 3.589 3.935 102 17.7 7.0 129.9 4:00 (313, 76)
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