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New comet. It keeps 6 mag until mid September, but it will be lower than 10 deg after mid August. When it begins to be higher again in late October, it will be fainter than 11 mag. In the Southern Hemisphere, it is not observable until November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 8 13.35 36 9.5 0.341 0.739 30 5.9 215.0 65.3 5:13 (235,-12)
Aug. 24 9 40.99 40 41.1 0.499 0.631 30 6.0 103.8 86.3 5:05 (237,-26)
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New comet. It is approaching to the early and is observable in good condition at 8 mag. The perihelion passage is on Oct. 1 and it keeps 8-9 mag until November. However, it becomes low in September and October. In the Southern Hemishpere, it is not observable until late November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 19 12.63 79 44.5 0.668 1.159 84 8.3 131.0 289.7 21:05 (180,-25)
Aug. 24 14 49.77 75 13.2 0.727 1.070 74 8.1 108.9 224.1 18:59 (170,-22)
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Some reported it as 12.5 mag by CCD, or 10.0 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 7 2.43 20 41.7 1.635 1.067 39 12.5 65.0 87.9 5:13 (237, 9)
Aug. 24 7 34.67 20 45.2 1.641 1.059 38 12.4 64.1 90.8 5:05 (239, 7)
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It is very low in the evening sky. It will appear at dawn in next June at 15.5 mag and will be fading.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 13 8.31 -3 9.0 2.381 1.949 53 13.3 29.9 114.7 18:54 (111, 32)
Aug. 24 13 21.37 -4 37.8 2.399 1.913 49 13.1 31.4 114.2 18:59 (106, 30)
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It is as faint as 15 mag by CCD. It is also fainter than 13 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)
Aug. 17 12 37.40 65 17.2 4.089 3.678 59 13.1 23.9 150.6 18:54 (157,-20)
Aug. 24 12 49.78 62 53.6 4.115 3.695 58 13.2 23.3 150.0 18:59 (154,-20)
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It bursted out in early August and it is now 12 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 20 44.26 -18 24.9 4.831 5.813 164 13.2 6.6 262.3 23:01 (180, 73)
Aug. 24 20 41.16 -18 30.5 4.866 5.811 157 13.2 6.1 263.1 22:30 (180, 74)
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It was observed at 15.0 mag on June 18, as bright as expected. It will reach to 13.5 mag between July and October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 6 28.36 24 13.5 1.740 1.292 47 13.3 53.8 87.6 5:13 (229, 12)
Aug. 24 6 55.67 24 19.3 1.730 1.294 47 13.3 52.9 90.2 5:05 (230, 11)
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After conjunction, it will appear at dawn at 13 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. 17 9 42.19 16 6.2 3.442 2.431 2 13.8 29.2 109.9 5:13 (263,-19)
Aug. 24 9 55.52 14 54.7 3.416 2.411 5 13.7 29.5 110.7 5:05 (263,-17)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 16 15.97 19 3.9 5.054 5.201 92 13.7 1.0 120.4 18:54 (174, 36)
Aug. 24 16 16.73 18 59.1 5.138 5.197 87 13.7 2.3 110.6 18:59 (165, 35)
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Getting brighter as expected. It will be observable at 10 mag in the good condition for a long time from winter to next spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 6 7.17 46 9.8 3.174 2.738 55 13.9 27.4 75.7 5:13 (211, -2)
Aug. 24 6 25.39 46 54.3 3.062 2.687 59 13.7 27.8 77.1 5:05 (210, -2)
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Extremely diffused and hard to observe. Although the total magnitude is 12 mag, the central part is fainter than 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 15 45.01 -11 15.4 2.438 2.683 92 13.8 15.6 130.5 18:54 (150, 64)
Aug. 24 15 50.86 -12 22.9 2.626 2.774 87 14.4 15.6 126.1 18:59 (137, 61)
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Stellar object. It will reach to 13 mag at the end of this year. In the northern hemisphere, it keeps low in the south after this. Akimasa Nakamura reported that it was so faint as 17.4 mag on July 31.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 15 13.29 -34 42.2 1.913 2.185 91 14.0 15.2 82.9 18:54 ( 85, 73)
Aug. 24 15 22.61 -34 30.8 1.937 2.133 86 13.9 17.8 85.7 18:59 ( 84, 68)
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It will be observable at 14 mag until September. After the conjunction, it will be observable again at 15 mag in 2003.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 15 37.60 1 7.8 2.505 2.669 87 14.2 25.6 222.5 18:54 (155, 51)
Aug. 24 15 30.51 -0 59.1 2.646 2.669 80 14.3 21.8 217.1 18:59 (140, 49)
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It reaches to 15 mag at best in July and August. However, it bursted out and became 6 mag brighter than this ephemeris in the previous return in 1996. Total 20 nuclei have been discovered.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 19 58.92 -15 11.6 0.768 1.736 154 14.9 4.0 144.1 22:16 (180, 70)
Aug. 24 20 0.79 -15 32.8 0.801 1.743 148 15.1 6.1 117.4 21:50 (180, 71)
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After conjunction, it will appear at dawn at 13.5 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. 17 9 49.89 -0 37.4 5.226 4.252 14 15.0 4.8 110.9 18:54 ( 83, -9)
Aug. 24 9 51.97 -0 50.4 5.183 4.204 12 14.9 4.9 114.4 5:05 (276, -7)
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First return of a new periodic comet. It will reach to 10-11 mag in the evening sky during winter and spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 20 18.85 -37 6.0 1.569 2.495 149 15.4 14.9 289.3 22:35 ( 0, 88)
Aug. 24 20 11.15 -36 25.1 1.561 2.446 143 15.1 14.0 298.6 22:00 ( 0, 89)
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It will be too low 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)
Aug. 17 12 19.85 5 8.9 3.624 2.909 39 15.2 22.0 118.9 18:54 (110, 18)
Aug. 24 12 29.02 3 53.9 3.659 2.889 34 15.1 22.7 118.4 18:59 (105, 14)
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Although it did not fade at all in May and kept 8 mag until late May, only two observations by one person in mid June were reported after June. So the current brightness is quite uncertain. It became very diffused and faded out rapidly in mid June, fainter than 10.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 8 24.67 -33 49.5 2.755 2.260 51 15.3 29.4 141.1 5:13 (296, 24)
Aug. 24 8 34.87 -36 28.8 2.831 2.361 52 15.7 28.5 142.9 5:05 (297, 27)
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First return of a new periodic comet with a period of 17 years. It will reach to 12 mag in 2003 January and be observable in good condition.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 5 22.88 19 29.3 2.486 2.213 62 15.7 31.1 84.6 5:13 (219, 25)
Aug. 24 5 38.31 19 47.1 2.382 2.173 65 15.4 31.4 85.9 5:05 (218, 25)
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It will be 15.5 mag in September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 21 44.81 11 21.6 0.880 1.848 155 15.7 13.7 178.9 0:05 (180, 44)
Aug. 24 21 45.00 9 33.8 0.857 1.834 158 15.6 17.1 177.8 23:34 (180, 46)
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New periodic comet. It will go far away from the earth after this and will be fainter rapidly. It will be fainter than 18 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. 17 17 13.37 9 25.5 0.371 1.185 108 16.1 67.8 54.7 19:32 (180, 45)
Aug. 24 17 39.27 13 27.3 0.403 1.200 108 16.3 61.2 60.4 19:30 (180, 41)
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It will be naked eye object in 2004. It is only 16 mag now and locates low 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)
Aug. 17 3 3.54 -30 45.4 6.976 7.314 105 16.4 7.8 178.9 5:13 (206, 85)
Aug. 24 3 3.36 -31 41.5 6.845 7.255 110 16.3 8.2 185.7 4:55 (180, 87)
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No observations have been reported since 2002 January. It will be brighter than 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. 17 1 32.38 -1 45.9 4.397 5.015 122 16.7 5.2 287.2 3:52 (180, 57)
Aug. 24 1 29.76 -1 36.2 4.355 5.061 129 16.7 6.4 281.3 3:22 (180, 57)
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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. 17 19 3.14 26 39.3 2.091 2.784 123 16.7 29.7 279.6 21:19 (180, 28)
Aug. 24 18 48.92 27 4.1 2.174 2.793 117 16.8 25.2 275.4 20:37 (180, 28)
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Fading rapidly. It seems to be fainter than 18 mag in September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 16 6.94 28 34.5 3.249 3.374 88 16.8 9.4 160.7 18:54 (173, 26)
Aug. 24 16 9.01 27 33.8 3.407 3.458 84 17.1 9.7 151.1 18:59 (165, 26)
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Appearing at dawn. But it will be fainter than 18 mag in September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 5 21.62 5 35.3 2.654 2.411 65 17.1 18.9 99.0 5:13 (228, 37)
Aug. 24 5 29.95 5 12.5 2.623 2.461 69 17.3 17.2 101.8 5:05 (226, 39)
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It is a far object. It will be 17 mag all through in 2003 and 2004.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 19 1.33 14 45.5 5.686 6.391 130 17.3 11.8 266.9 21:18 (180, 40)
Aug. 24 18 55.90 14 39.2 5.733 6.370 125 17.3 10.8 263.9 20:45 (180, 40)
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It keeps brightness around 17.5 mag still now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 21 16.19 16 17.5 7.901 8.787 149 17.6 7.0 267.2 23:32 (180, 39)
Aug. 24 21 12.86 16 13.6 7.950 8.832 149 17.7 6.8 263.5 23:01 (180, 39)
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New comet. It will be 6 mag in the Southern Hemisphere in 2003 autumn. It will be low after this, then it becomes high in the morning sky and brighter than 16 mag in next January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 17 14 22.65 42 59.1 5.508 5.176 65 17.8 11.3 178.9 18:54 (156, 6)
Aug. 24 14 23.14 41 40.6 5.494 5.107 62 17.8 11.3 173.2 18:59 (150, 4)
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