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It is observable at 6 mag until early September. But it will be getting lower rapidly. After that, it will appear at dawn at 5 mag in November and keep observable in good condition in the Southern Hemisphere. In the Norhtern Hemisphere, it will become visible in the morning low sky in latter Novemberk, but become unobservable soon, then keep unobservable until January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 28 13 13.24 10 7.9 1.867 1.285 40 6.2 34.7 205.8 20:00 ( 92, 15)
Sept. 4 13 6.65 6 36.5 1.931 1.221 33 6.1 32.0 203.9 19:49 ( 92, 8)
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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. 28 12 19.15 62 56.8 2.288 1.932 56 9.2 19.4 65.1 20:00 (148, 30)
Sept. 4 12 38.13 63 54.2 2.328 2.019 59 9.4 20.5 65.8 19:49 (149, 30)
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New comet. The orbit is still uncertain.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 28 4 16.91 -22 24.6 2.174 2.492 96 10.7 18.7 106.3 4:00 (331, 27)
Sept. 4 4 25.81 -23 3.9 2.045 2.417 98 10.4 18.2 109.3 4:07 (338, 29)
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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. 28 11 6.33 -9 10.3 3.232 2.319 21 11.7 10.6 111.9 20:00 ( 94,-22)
Sept. 4 11 10.86 -9 38.9 3.358 2.415 17 12.0 10.2 114.3 19:49 ( 96,-25)
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It will be getting higher after this, but getting fainter, too. However the fading is slow and it keeps 13 mag still in December. It passes across a barred spiral galaxy NGC 3198 on Sept. 17.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 28 9 34.18 49 27.9 2.866 2.210 41 11.7 28.3 115.1 4:00 (220, 16)
Sept. 4 9 51.59 48 3.9 2.909 2.276 42 11.9 26.4 116.4 4:07 (223, 18)
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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. 28 2 54.05 18 25.8 1.513 2.068 108 13.0 18.0 82.1 4:00 (338, 72)
Sept. 4 3 2.37 18 39.2 1.436 2.055 113 12.8 16.0 85.1 4:07 (359, 74)
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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. 28 0 25.83 12 18.1 4.883 5.724 143 13.1 4.9 264.0 2:01 ( 0, 67)
Sept. 4 0 23.31 12 12.7 4.827 5.724 150 13.1 5.7 259.8 1:31 ( 0, 67)
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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. 28 19 28.86 -1 46.3 1.149 1.995 134 13.3 37.8 279.6 20:59 ( 0, 53)
Sept. 4 19 14.69 -1 10.4 1.337 2.089 125 14.0 24.6 279.6 20:18 ( 0, 54)
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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. 28 9 9.44 7 13.1 2.605 1.686 19 13.6 36.8 110.0 4:00 (258, -5)
Sept. 4 9 25.24 5 44.9 2.646 1.750 21 14.0 35.1 111.0 4:07 (262, -2)
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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. 28 2 41.82 3 30.2 1.748 2.362 115 13.9 18.7 351.2 4:00 (352, 58)
Sept. 4 2 39.58 5 47.3 1.623 2.320 121 13.7 21.8 341.7 3:46 ( 0, 61)
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Diffused. It keeps observable in good condition 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. 28 2 44.56 11 19.4 1.340 1.965 112 14.0 3.4 68.9 4:00 (349, 66)
Sept. 4 2 45.16 11 24.4 1.315 2.011 119 14.3 0.7 284.5 3:52 ( 0, 66)
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The brightening evolution is slower than usual. 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. 28 10 7.48 68 56.2 3.750 3.350 59 14.5 20.1 93.1 4:00 (201, 24)
Sept. 4 10 34.17 68 44.8 3.625 3.269 61 14.4 21.3 95.0 4:07 (202, 25)
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It was observed at 15-15.5 mag, a bit fainter than this ephemeris in August. 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. 28 19 43.68 -26 11.0 1.480 2.330 137 14.8 5.7 184.6 21:15 ( 0, 29)
Sept. 4 19 44.18 -26 47.0 1.533 2.325 131 14.8 5.1 152.5 20:48 ( 0, 28)
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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. 28 2 43.33 13 42.5 1.843 2.414 112 15.1 17.1 8.6 4:00 (349, 68)
Sept. 4 2 43.86 15 45.3 1.726 2.377 118 14.9 18.2 358.7 3:51 ( 0, 71)
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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. 28 23 51.29 15 4.8 4.004 4.888 147 15.1 20.6 254.5 1:26 ( 0, 70)
Sept. 4 23 41.57 14 22.9 4.004 4.938 155 15.2 21.3 252.5 0:49 ( 0, 69)
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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. 28 1 42.95 -1 18.0 2.787 3.529 130 15.6 4.7 231.5 3:17 ( 0, 54)
Sept. 4 1 40.80 -1 39.9 2.737 3.549 137 15.6 6.5 239.0 2:48 ( 0, 53)
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It keeps observable at 16 mag in good condition 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. 28 23 56.14 0 37.3 1.796 2.747 155 16.4 7.1 276.3 1:31 ( 0, 56)
Sept. 4 23 52.48 0 40.7 1.747 2.728 163 16.2 8.6 271.4 1:00 ( 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. 28 3 8.00 7 56.9 2.171 2.661 107 16.5 10.3 74.7 4:00 (338, 61)
Sept. 4 3 12.25 8 14.6 2.051 2.621 113 16.3 8.4 73.8 4:07 (354, 63)
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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. 28 1 3.38 1 17.9 2.628 3.460 139 16.8 6.4 228.4 2:38 ( 0, 56)
Sept. 4 1 0.75 0 46.1 2.604 3.494 147 16.9 8.0 233.3 2:08 ( 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. 28 1 28.82 14 54.3 2.621 3.347 128 17.0 0.9 288.2 3:03 ( 0, 70)
Sept. 4 1 27.97 14 53.2 2.536 3.333 135 16.9 2.8 257.5 2:35 ( 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. 28 3 10.20 8 50.3 1.097 1.697 107 17.0 18.3 100.6 4:00 (336, 62)
Sept. 4 3 17.80 8 22.0 1.069 1.724 112 17.0 14.9 108.3 4:07 (351, 63)
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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 August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 28 16 43.96 5 10.7 1.472 1.832 93 17.1 29.1 104.7 20:00 ( 45, 52)
Sept. 4 16 57.37 4 18.8 1.546 1.855 90 17.3 30.0 104.2 19:49 ( 45, 51)
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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. 28 18 31.07 -3 52.1 3.814 4.421 121 17.4 17.8 262.1 20:02 ( 0, 51)
Sept. 4 18 23.33 -4 9.5 3.890 4.383 112 17.4 15.6 260.7 19:49 ( 9, 50)
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Appearing at dawn. It will reach to 9 mag in 2006 spring. In this season, it keeps observable until 2005 March when it becomes 15.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 28 5 57.84 -2 27.2 6.303 6.001 68 17.5 7.0 151.0 4:00 (295, 28)
Sept. 4 5 59.23 -3 12.0 6.141 5.942 73 17.4 7.1 159.2 4:07 (303, 33)
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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. 28 18 22.78 42 48.3 6.228 6.540 103 17.4 4.3 203.5 20:00 (172, 82)
Sept. 4 18 22.01 42 19.3 6.302 6.573 101 17.5 4.4 189.2 19:49 (150, 81)
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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. 28 5 46.58 39 54.0 7.078 6.776 68 17.6 7.9 59.9 4:00 (248, 50)
Sept. 4 5 50.56 40 22.2 6.946 6.744 74 17.6 7.4 56.4 4:07 (248, 56)
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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. 28 16 25.45 40 45.8 6.975 6.931 83 17.6 9.1 211.5 20:00 (112, 65)
Sept. 4 16 22.90 39 51.7 7.047 6.939 79 17.7 8.5 205.3 19:49 (110, 62)
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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. 28 3 12.16 24 32.1 3.589 3.935 102 17.7 7.0 129.9 4:00 (313, 76)
Sept. 4 3 14.53 23 57.6 3.502 3.947 109 17.7 6.6 144.2 4:07 (344, 79)
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