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New comet. It will approach to the early in August and will be observable in good condition at 9 mag. The perihelion passage is on Oct. 1 and it keeps 9-10 mag until late October. However, it becomes low in September and October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 23 5.80 53 20.9 0.681 1.347 103 10.0 132.8 345.2 2:22 (180, 72)
Aug. 10 22 17.94 68 32.1 0.651 1.252 95 9.5 141.6 333.6 1:09 (180, 57)
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It is still 10 mag but now it is extremely diffused.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 15 34.67 -8 38.2 2.067 2.496 102 10.5 15.9 141.8 20:37 ( 36, 39)
Aug. 10 15 39.59 -10 0.8 2.252 2.590 97 10.9 15.7 135.7 20:28 ( 39, 36)
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It is getting brighter rapidly. But it is much fainter than expected. It may be 12.5 mag at best.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 5 57.76 19 27.7 1.646 1.106 41 13.3 65.2 82.4 3:33 (257, 15)
Aug. 10 6 29.99 20 15.7 1.636 1.083 40 12.8 65.4 85.1 3:41 (256, 16)
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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. 3 12 8.07 70 15.4 4.040 3.645 60 13.1 24.8 150.5 20:37 (155, 36)
Aug. 10 12 23.66 67 44.8 4.064 3.661 59 13.1 24.4 150.8 20:28 (152, 36)
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Although it kept as bright as 12 mag in July, it was extremely diffused and hard to see. The nuclues is already faint as 16 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 20 50.99 -18 10.9 4.802 5.816 179 13.1 7.1 261.2 0:07 ( 0, 37)
Aug. 10 20 47.57 -18 18.2 4.809 5.815 172 13.1 7.0 261.6 23:31 ( 0, 37)
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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. 3 5 33.10 23 9.0 1.773 1.305 46 13.4 54.8 82.3 3:33 (257, 22)
Aug. 10 6 0.75 23 50.2 1.754 1.296 47 13.3 54.4 84.9 3:41 (257, 24)
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It will be too low in August. 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. 3 12 44.29 -0 19.8 2.334 2.025 59 13.6 26.8 115.6 20:37 ( 78, 16)
Aug. 10 12 55.94 -1 42.8 2.359 1.987 56 13.4 28.4 115.2 20:28 ( 78, 14)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 16 16.38 19 5.3 4.887 5.211 103 13.7 1.8 283.0 20:37 ( 48, 68)
Aug. 10 16 15.86 19 6.2 4.970 5.206 97 13.7 0.4 253.3 20:28 ( 56, 65)
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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. 3 9 15.60 18 18.7 3.482 2.474 5 14.0 28.4 108.2 20:37 (124,-14)
Aug. 10 9 28.88 17 14.3 3.464 2.452 2 13.9 28.8 109.1 20:28 (124,-15)
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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. 3 15 58.41 5 52.2 2.242 2.674 103 14.0 35.1 231.9 20:37 ( 40, 54)
Aug. 10 15 46.78 3 25.0 2.369 2.671 95 14.1 30.1 227.4 20:28 ( 47, 48)
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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. 3 14 59.25 -35 18.4 1.862 2.292 101 14.1 10.0 70.8 20:37 ( 30, 12)
Aug. 10 15 5.47 -34 57.9 1.887 2.238 96 14.0 12.6 78.3 20:28 ( 32, 11)
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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. 3 5 32.69 44 30.3 3.397 2.842 49 14.2 26.4 73.2 3:33 (235, 31)
Aug. 10 5 49.60 45 21.6 3.286 2.789 52 14.0 26.9 74.4 3:41 (235, 35)
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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. 3 8 3.17 -28 27.9 2.597 2.053 47 14.6 31.2 138.0 3:33 (282,-36)
Aug. 10 8 14.10 -31 9.3 2.677 2.158 49 14.9 30.3 139.5 3:41 (288,-32)
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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. 3 19 59.27 -14 25.7 0.726 1.730 167 14.8 4.1 219.7 23:11 ( 0, 41)
Aug. 10 19 58.50 -14 48.5 0.742 1.732 160 14.8 3.4 188.1 22:43 ( 0, 40)
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It will be so close to the earth during Aug. 17 and 18, and reaches to 10 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 21 34.59 -4 48.4 0.188 1.196 163 16.5 5.6 343.0 0:50 ( 0, 50)
Aug. 10 21 32.30 -3 56.3 0.101 1.112 167 14.8 15.5 318.9 0:20 ( 0, 51)
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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. 3 9 45.89 -0 18.7 5.270 4.349 22 15.1 4.2 103.2 20:37 (105,-20)
Aug. 10 9 47.84 -0 26.7 5.255 4.300 17 15.1 4.5 107.3 20:28 (107,-24)
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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. 3 12 2.42 7 35.5 3.540 2.950 47 15.2 20.5 120.0 20:37 ( 91, 12)
Aug. 10 12 10.97 6 22.9 3.585 2.930 43 15.2 21.3 119.4 20:28 ( 91, 9)
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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. 3 20 36.27 -37 48.6 1.619 2.594 159 16.0 15.0 274.4 23:47 ( 0, 17)
Aug. 10 20 27.40 -37 34.0 1.588 2.545 155 15.7 15.3 281.4 23:11 ( 0, 17)
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The ephemeris says it is fading now. But it seems to be bright still now actually, about 13 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 0 38.85 -40 16.9 0.736 1.568 126 15.7 19.7 172.3 3:33 (356, 15)
Aug. 10 0 38.80 -42 24.8 0.767 1.615 129 16.1 17.1 188.9 3:26 ( 0, 13)
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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. 3 21 44.18 13 40.0 0.954 1.883 146 16.0 6.3 166.1 0:59 ( 0, 69)
Aug. 10 21 44.65 12 44.2 0.912 1.864 150 15.9 9.9 176.8 0:32 ( 0, 68)
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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. 3 4 52.75 18 40.0 2.695 2.297 56 16.1 30.3 82.0 3:33 (266, 28)
Aug. 10 5 7.69 19 6.9 2.591 2.255 59 15.9 30.7 83.3 3:41 (268, 32)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 13 4.92 74 35.4 2.849 2.608 66 16.1 8.1 164.8 20:37 (162, 40)
Aug. 10 13 9.91 73 44.9 2.920 2.678 66 16.4 7.6 150.7 20:28 (160, 39)
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It became so faint now. 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. 3 16 5.59 30 42.1 2.933 3.203 96 16.1 9.3 184.5 20:37 ( 81, 73)
Aug. 10 16 5.76 29 37.6 3.091 3.289 92 16.5 9.2 171.9 20:28 ( 82, 69)
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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. 3 19 37.14 24 44.0 1.970 2.772 133 16.6 37.6 288.6 22:47 ( 0, 80)
Aug. 10 19 19.36 25 54.1 2.022 2.777 129 16.7 33.9 284.0 22:02 ( 0, 81)
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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. 3 1 35.68 -2 12.0 4.501 4.922 108 16.7 3.1 316.6 3:33 (330, 49)
Aug. 10 1 34.36 -1 57.7 4.446 4.968 115 16.7 4.0 297.7 3:41 (343, 52)
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It keeps 17 mag locating at the same altitude until October in the Northerm Hemisphere.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Aug. 3 18 16.93 -16 28.0 10.734 11.561 143 17.1 2.7 261.7 21:29 ( 0, 39)
Aug. 10 18 15.73 -16 30.8 10.822 11.575 136 17.1 2.3 259.1 21:00 ( 0, 38)
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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. 3 19 13.48 14 45.7 5.629 6.435 139 17.3 13.3 272.9 22:25 ( 0, 70)
Aug. 10 19 7.22 14 47.9 5.651 6.413 135 17.3 12.6 269.9 21:51 ( 0, 70)
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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. 3 21 23.06 16 15.4 7.844 8.698 145 17.5 7.1 275.3 0:39 ( 0, 71)
Aug. 10 21 19.61 16 18.2 7.866 8.742 148 17.6 7.1 271.2 0:08 ( 0, 71)
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