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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. 7 13 43.25 22 23.9 1.636 1.507 64 6.4 48.0 215.4 18:49 (146, 25)
Aug. 14 13 30.87 17 59.5 1.715 1.430 56 6.2 42.6 211.5 18:53 (134, 23)
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It locates visible all night, though it is low in the morning still now. It keeps observable after this in the Northern Hemisphere. It has been fading as expected since mid May, and keeps brighter than 12 mag until October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 11 31.60 60 15.6 2.117 1.672 50 9.6 16.5 63.2 18:49 (152,-19)
Aug. 14 11 46.09 61 7.7 2.183 1.758 52 9.8 17.4 64.0 18:53 (151,-21)
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It is observable only in the Southern Hemisphere, and only until mid August. Then 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. 7 10 51.45 -7 57.9 2.769 2.026 35 10.8 11.6 104.2 18:49 ( 92, 16)
Aug. 14 10 56.62 -8 19.4 2.937 2.125 30 11.1 11.2 107.0 18:53 ( 88, 11)
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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. 7 8 28.85 53 36.9 2.718 2.018 38 11.2 34.3 108.1 5:22 (222,-28)
Aug. 14 8 53.10 52 17.1 2.770 2.080 38 11.4 32.3 111.1 5:16 (224,-28)
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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, so it will be invisible visually soon. But it keeps observable for a long time with CCD.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 21 8.18 -6 0.4 0.702 1.709 169 11.9 115.8 279.4 0:09 (180, 61)
Aug. 14 20 22.29 -4 3.5 0.822 1.805 159 12.8 83.3 279.8 22:46 (180, 59)
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Fading now. It will be fainter than 13 mag in September. (944) Hidalgo will through the coma of this comet on Aug. 17.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 2 32.12 10 19.1 1.425 1.830 95 12.3 14.7 71.9 5:22 (182, 45)
Aug. 14 2 37.96 10 47.0 1.396 1.874 100 12.5 11.1 72.1 5:07 (180, 44)
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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)
Aug. 7 8 15.95 11 34.8 2.464 1.498 13 12.5 42.7 106.4 5:22 (259, -5)
Aug. 14 8 34.87 10 8.9 2.514 1.560 15 12.9 40.7 107.7 5:16 (260, -3)
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No outburst was reported in July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 0 30.85 12 12.4 5.115 5.724 122 13.2 2.2 298.0 3:28 (180, 43)
Aug. 14 0 29.65 12 18.0 5.028 5.724 129 13.2 3.1 280.0 2:59 (180, 43)
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It will be visible visually soon. It is observable in good condition as bright as 12 mag in autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 2 24.45 17 1.1 1.763 2.115 95 13.6 22.7 75.9 5:21 (180, 38)
Aug. 14 2 34.96 17 36.3 1.677 2.098 99 13.4 21.4 77.6 5:04 (180, 37)
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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. 7 19 50.35 -23 36.8 1.374 2.353 160 14.7 11.6 220.8 22:44 (180, 79)
Aug. 14 19 46.94 -24 35.3 1.399 2.345 152 14.7 9.7 215.6 22:13 (180, 80)
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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.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 8 54.53 69 6.1 4.110 3.588 52 15.0 17.2 89.3 5:22 (206,-35)
Aug. 14 9 17.66 69 5.8 3.994 3.509 54 14.8 18.1 90.3 5:16 (206,-35)
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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. 7 0 17.99 16 29.7 4.108 4.737 122 15.0 16.5 261.3 3:16 (180, 38)
Aug. 14 0 9.67 16 8.5 4.059 4.787 131 15.1 18.2 258.8 2:40 (180, 39)
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It is observable at 13.5 mag in good condition in October and November. No observation has been reported since 2003 December. It will through the coma of 88P/Howell on Aug. 17.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 2 34.65 8 21.9 2.220 2.531 95 15.7 16.6 33.1 5:22 (183, 47)
Aug. 14 2 38.53 10 2.1 2.091 2.492 101 15.5 16.4 26.2 5:08 (180, 45)
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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. 7 1 43.91 -0 34.8 2.978 3.467 110 15.6 2.5 115.6 4:41 (180, 56)
Aug. 14 1 44.52 -0 44.9 2.909 3.487 117 15.6 1.8 169.7 4:14 (180, 56)
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It locates low in the evening sky until mid September, then it becomes unobservable for a while. But it will be observable again at 15 mag after next February for a long time.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 13 40.21 -0 42.0 3.185 2.976 68 15.8 18.1 126.6 18:49 (130, 44)
Aug. 14 13 47.28 -1 57.9 3.260 2.966 64 15.8 19.1 124.7 18:53 (123, 41)
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It is unexpectedly bright, 16.5 mag. It keeps 16.5 mag until mid August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 7 20 4.23 -17 12.4 1.030 2.025 164 16.5 5.5 214.4 22:58 (180, 72)
Aug. 14 20 3.18 -17 42.9 1.059 2.033 157 16.6 4.3 195.0 22:30 (180, 73)
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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. 7 0 1.70 0 0.2 2.006 2.810 134 16.7 2.9 345.9 2:59 (180, 55)
Aug. 14 0 0.85 0 17.4 1.926 2.789 141 16.6 3.6 305.6 2:31 (180, 55)
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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. 7 1 6.23 2 26.0 2.755 3.359 118 16.8 2.3 157.0 4:03 (180, 53)
Aug. 14 1 6.18 2 8.5 2.705 3.392 125 16.8 3.1 200.7 3:36 (180, 53)
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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. 7 16 6.92 7 35.2 1.264 1.772 101 17.0 24.9 103.8 19:02 (180, 47)
Aug. 14 16 18.65 6 50.7 1.331 1.790 98 17.2 26.5 104.6 18:53 (178, 48)
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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. 7 2 37.44 9 15.8 1.190 1.627 94 17.0 27.7 87.8 5:22 (184, 46)
Aug. 14 2 49.86 9 17.7 1.158 1.648 98 17.0 24.8 91.1 5:16 (181, 46)
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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. 7 2 50.93 6 47.9 2.549 2.782 92 17.3 14.5 74.4 5:22 (189, 48)
Aug. 14 2 57.24 7 13.7 2.421 2.742 97 17.1 13.3 74.8 5:16 (184, 48)
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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. 7 1 26.07 14 22.9 2.914 3.390 109 17.3 5.3 60.0 4:23 (180, 41)
Aug. 14 1 27.85 14 38.8 2.811 3.375 115 17.2 3.4 56.1 3:57 (180, 40)
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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. 7 18 28.91 43 54.3 6.031 6.441 109 17.3 5.0 245.0 21:23 (180, 11)
Aug. 14 18 26.26 43 36.7 6.093 6.474 107 17.3 4.7 232.0 20:53 (180, 11)
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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. 7 18 59.95 -3 6.8 3.667 4.540 145 17.4 23.1 265.7 21:53 (180, 58)
Aug. 14 18 49.50 -3 20.1 3.700 4.500 137 17.4 21.7 264.5 21:15 (180, 58)
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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. 7 16 37.75 43 23.9 6.767 6.911 93 17.5 10.9 229.5 19:32 (180, 12)
Aug. 14 16 32.84 42 32.9 6.834 6.918 90 17.6 10.3 223.6 19:00 (180, 13)
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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. 7 3 0.43 25 43.2 3.864 3.905 84 17.9 9.9 103.5 5:22 (189, 29)
Aug. 14 3 5.07 25 24.6 3.771 3.914 90 17.8 8.8 109.9 5:16 (185, 29)
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