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Image:
2000 Feb. 12
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It will be 3 mag in 2000 July, but it is a few mag fainter actually. Not observable now. In the Northern Hemisphere, it will appear at dawn in late May as 10 mag, then keeps observable until early August. In the Southern Hemisphere, it locates very low between late May and mid June, however, it locates high after late July. Kadota, Ageo, observed it on May 4 and it was 13.0 mag by CCD.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 1 52.64 28 33.0 2.566 1.640 18 11.2 8.9 44.6 5:14 (244,-13)
May 13 1 56.03 29 20.9 2.430 1.542 22 10.8 9.8 41.0 5:18 (240, -8)
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It is expected to be bright as 7 mag in late 2000. Northern people cannot observe it until December.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 2 53.96 -31 18.8 3.845 3.256 47 13.1 20.2 87.6 18:38 ( 58, 10)
May 13 3 5.29 -31 15.3 3.737 3.180 49 12.9 21.3 89.8 5:18 (299, 13)
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Image:
1998 Dec. 5
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Only southern people can observe it. Recently it was observed as 12 mag. It will appear again in 2000 August as 13 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 22 57.32 -49 48.6 3.705 3.740 84 13.0 3.3 42.1 5:14 (309, 56)
May 13 22 58.39 -49 34.5 3.642 3.766 89 13.0 1.7 24.3 5:18 (311, 61)
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Image:
1999 June 12
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The altitude will be 23 deg at best in the Northern Hemisphere. Now it is not in outburst.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 17 12.92 -32 20.9 5.214 6.066 144 13.5 4.7 267.5 2:17 (180, 87)
May 13 17 10.11 -32 21.3 5.155 6.064 151 13.4 5.5 270.8 1:47 (180, 87)
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Image:
1999 July 31
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It is only observable in the Southern Hemisphere until the end of 2001.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 23 5.94 -63 31.6 3.125 3.304 91 13.7 28.7 131.7 5:14 (331, 51)
May 13 23 30.00 -65 45.0 3.056 3.294 94 13.6 29.6 130.6 5:18 (334, 51)
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Only southern people can observe it. Northern people can never see it again.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 5 4.62 -69 47.4 10.985 11.021 89 13.6 4.8 64.5 18:38 ( 25, 40)
May 13 5 10.57 -69 34.5 11.020 11.069 90 13.7 4.8 70.6 18:33 ( 25, 39)
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Image:
1999 Dec. 30
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Because it is far away, it keeps 14 mag until late 2000. It is lower than 15 deg in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 0 38.93 13 55.1 5.018 4.202 32 14.2 15.9 87.1 5:14 (245, 10)
May 13 0 46.45 13 59.8 4.964 4.203 37 14.2 15.4 88.0 5:18 (241, 14)
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Not observable at all in this return.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 2 58.06 21 47.8 2.351 1.350 5 14.3 53.0 74.3 18:38 (103,-20)
May 13 3 23.85 23 19.6 2.368 1.364 4 14.4 52.3 76.6 18:33 (105,-20)
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Only observable in the Southern Hemisphere. In the Northern Hemisphere, it appears at dawn in 2000 June, when it will be already fainter than 15 mag. It was fainter than 12.0 mag on Feb. 11 by KenIchi Kadota, Ageo.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 23 16.11 -14 2.9 2.180 1.920 61 14.3 28.4 74.5 5:14 (255, 43)
May 13 23 28.84 -13 12.0 2.154 1.959 65 14.5 26.6 74.9 5:18 (250, 47)
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Image:
2000 Jan. 8
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It will be 13 mag at good position in 2000 September. It was reported as 13.5 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 22 44.64 41 28.0 4.045 3.619 58 14.6 17.2 356.0 5:14 (208, 6)
May 13 22 43.36 43 32.0 3.935 3.584 62 14.5 18.5 351.1 5:18 (202, 7)
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Image:
2000 Jan. 28
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It will be observable as 15 mag with a good condition.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 16 5.26 38 16.6 6.518 7.113 122 15.1 9.7 262.1 1:10 (180, 17)
May 13 15 59.47 38 3.6 6.516 7.114 122 15.1 10.1 256.5 0:36 (180, 17)
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New comet with a period of 5.4 years. It must be 12 mag and moving fast in March, when it was 0.1 AU from the earth. Although it was fading out rapidly in April, reported as 16.8 mag in Apr. 23, it was bright as 15.5 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 17 51.60 3 49.7 0.353 1.270 131 15.5 20.6 299.8 2:56 (180, 51)
May 13 17 42.65 4 42.8 0.390 1.327 138 15.9 20.7 284.1 2:19 (180, 50)
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Image:
2000 Feb. 17
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It will fade out gradually after this, but it can be observed as 17.5 mag in 2001 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 11 3.96 37 16.2 3.870 4.227 103 15.5 17.4 229.5 20:05 (180, 18)
May 13 10 57.04 35 55.9 4.012 4.261 97 15.6 15.8 222.7 19:30 (180, 19)
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It will be 14 mag from August to November. But the altitude keeps lower than 20 deg until late August. It was observed as about 16 mag on May 3.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 20 32.39 -33 47.9 2.433 2.841 103 15.9 11.4 96.6 5:14 (257, 85)
May 13 20 38.30 -33 58.6 2.324 2.816 108 15.7 9.8 100.5 5:14 (180, 89)
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Image:
2000 Feb. 11
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It will keep 20 deg high in the Northern Hemisphere until mid June, but it will fade out rapidly.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 13 24.60 -33 5.8 1.384 2.333 154 15.7 9.7 267.5 22:25 (180, 88)
May 13 13 19.94 -33 4.7 1.443 2.369 149 16.0 7.1 275.2 21:53 (180, 88)
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Image:
2000 Jan. 15
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It was reported as 13.5-14.0 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 7 28.26 26 24.8 3.981 3.654 64 16.3 14.0 99.5 18:38 (149, 21)
May 13 7 35.69 26 7.5 4.065 3.648 58 16.3 14.9 100.0 18:33 (146, 20)
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Image:
1999 June 12
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No observations reported since 1999 June. The altitude will be 38 deg at best after this 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)
May 6 17 1.75 -17 27.6 9.147 10.028 149 16.3 3.4 284.0 2:06 (180, 72)
May 13 17 0.06 -17 22.0 9.107 10.040 156 16.3 3.7 282.4 1:37 (180, 72)
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It will be higher than 25 deg until early June. It is not obervable in the Northern Hemisphere around the perihelion passage, when it reaches to 13 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 13 15.69 -27 10.8 3.989 4.922 155 16.4 10.5 266.7 22:16 (180, 82)
May 13 13 10.36 -27 13.8 3.984 4.876 148 16.4 9.7 268.2 21:43 (180, 82)
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Image:
2000 Feb. 11
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It was in fact a bit brighter than this ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 11 52.83 10 34.9 1.352 2.126 127 16.9 6.8 130.8 20:54 (180, 44)
May 13 11 55.89 9 58.8 1.419 2.135 122 17.1 9.7 127.0 20:30 (180, 45)
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Recovered by LINEAR. It keeps 17 mag for a while, however, it will be lower. It may be 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)
May 6 11 19.70 -1 29.7 1.858 2.577 125 17.0 3.9 69.5 20:21 (180, 56)
May 13 11 22.00 -1 23.8 1.921 2.570 119 17.0 6.1 87.0 19:56 (180, 56)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 10 7.60 37 57.4 4.999 5.164 93 17.1 3.7 120.6 19:09 (180, 17)
May 13 10 9.78 37 42.7 5.130 5.196 88 17.2 4.8 118.8 18:44 (180, 17)
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Image:
1999 May 31
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Fading gradually. It keeps 17-18 mag at good position until October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 20 36.66 28 14.3 5.996 6.006 85 17.2 12.1 352.0 5:14 (187, 26)
May 13 20 35.44 29 37.9 5.939 6.030 90 17.2 12.2 346.4 5:11 (180, 25)
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It keeps 17 mag at good position until August. It was bright as 16.4 mag on Apr. 15.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 17 41.11 3 36.6 4.759 5.507 133 17.3 17.4 285.7 2:45 (180, 51)
May 13 17 32.95 4 8.1 4.690 5.506 140 17.3 18.6 283.3 2:10 (180, 51)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 11 7.23 -0 0.4 3.503 4.126 121 17.3 14.1 303.5 20:08 (180, 55)
May 13 11 2.35 0 49.6 3.683 4.194 113 17.5 11.2 305.3 19:36 (180, 54)
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It kept brightening even after perihelion passage and reached to 15.5 mag in mid April. But it began to fade out rapidly after that.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 9 3.65 18 22.5 1.638 1.882 87 17.3 32.6 118.1 18:38 (170, 36)
May 13 9 17.72 16 35.2 1.728 1.911 84 17.8 32.6 117.9 18:33 (167, 38)
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Image:
1999 June 30
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It keeps the good condition until autumn. It will fade out gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 17 27.69 27 47.4 6.101 6.691 121 17.5 7.8 329.2 2:32 (180, 27)
May 13 17 25.41 28 31.4 6.106 6.726 124 17.5 7.5 322.0 2:02 (180, 27)
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It is not observable around the perihelion passage. In July when it will be lower than 20 deg, it reaches only to 16.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 10 29.24 20 58.5 1.946 2.415 105 17.9 7.2 156.3 19:30 (180, 34)
May 13 10 31.38 20 8.5 1.993 2.376 99 17.8 9.5 143.6 19:05 (180, 35)
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New comet. It will fade out after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 6 12 45.42 6 51.7 1.990 2.843 140 18.0 45.4 284.7 21:45 (180, 48)
May 13 12 26.31 8 1.7 2.112 2.863 129 18.2 38.2 283.0 20:58 (180, 47)
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