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It has brightened suddenly on around June 10 and reached to 3.3 mag. But it faded to 4.5 mag until June 19. It will fade out rapidly after this. It will be fainter than 8 mag in August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 23 33.48 5 18.5 0.261 1.128 108 5.1 181.4 300.6 4:36 (180, 50)
July 14 22 28.33 13 57.9 0.311 1.219 124 5.8 130.5 295.5 3:03 (180, 41)
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It locates high in the Southern Hemisphere. Appearing at dawn also in the Northern Hemisphere. It reaches to 8 mag in autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 3 51.19 0 3.8 1.977 1.574 52 10.9 45.0 67.9 5:38 (243, 33)
July 14 4 10.87 2 2.9 1.916 1.536 52 10.6 45.9 68.2 5:36 (240, 33)
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Appearing at dawn. However, it never locates high and will not be observable after August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 0 59.45 -18 59.2 2.948 3.256 98 12.3 23.7 191.4 5:38 (198, 73)
July 14 0 56.48 -21 49.9 2.848 3.278 106 12.3 26.6 195.9 5:29 (180, 77)
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Not observable until December when it becomes fainter than 17.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 7 12.66 20 44.2 2.450 1.435 2 12.9 49.4 98.6 18:31 (105,-16)
July 14 7 36.81 19 45.5 2.459 1.443 2 12.9 49.1 100.7 18:35 (103,-16)
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It bursted out on May 17 and reached to 12 mag. Although it faded after this, it bursted out again on June 12.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 18 57.66 -28 26.7 4.914 5.926 173 13.3 6.9 270.4 23:54 (180, 83)
July 14 18 54.00 -28 25.7 4.923 5.924 168 13.3 6.8 272.1 23:23 (180, 83)
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It is not observable in the Northern Hemisphere until when it locates low in the evening sky at 15 mag in December.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 0 53.50 -72 31.9 2.630 3.160 112 13.6 4.2 158.2 5:38 (358, 52)
July 14 0 54.16 -72 59.9 2.618 3.165 113 13.6 4.1 190.4 5:27 ( 0, 52)
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Not yet observed in this return. Appearing at dawn. It will fade gradually after this. It will be close down to 3 arcmin to 73P/Schwassmann-Wachmann 3 on July 9.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 3 0.29 9 36.8 1.849 1.600 59 14.5 40.1 77.5 5:38 (224, 34)
July 14 3 18.58 10 33.5 1.825 1.616 61 14.6 38.7 78.8 5:36 (221, 34)
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It was much brighter visually, around 12 mag. However, it will fade out rapidly after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 13 2.39 17 48.1 3.727 3.736 82 14.6 15.9 202.0 18:31 (171, 37)
July 14 13 0.00 16 6.8 3.879 3.775 76 14.7 14.7 195.3 18:35 (161, 37)
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It reaches to 13.5 mag in 2002 summer, and keeps observable for a long while.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 15 6.55 -18 38.6 5.586 6.218 124 14.7 7.1 335.5 20:04 (180, 74)
July 14 15 5.38 -17 55.1 5.657 6.190 117 14.7 6.3 342.8 19:35 (180, 73)
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In the Northern Hemisphere, it is not observable, will appear at dawn in November at 16.5 mag and fade. In the Southern Hemisphere, it locates high. It was only 7 arcmin from SN 2001cz (14.7 mag) on July 4.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 12 43.48 -38 24.4 1.783 2.199 99 14.7 39.9 322.2 18:31 ( 69, 79)
July 14 12 31.48 -35 1.4 1.928 2.188 90 14.8 31.5 326.9 18:35 ( 84, 71)
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Diffused and hard to see. It must be fading rapidly now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 10 55.34 16 21.3 1.805 1.467 54 14.8 53.0 115.8 18:31 (137, 27)
July 14 11 17.81 13 38.8 1.877 1.517 53 15.5 51.0 116.9 18:35 (134, 28)
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Appearing at dawn. It will brighten and locate higher after this. It will be observable at 14 mag for one year from 2001 September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 2 12.52 35 3.7 4.789 4.436 63 14.9 13.9 19.8 5:38 (200, 17)
July 14 2 14.95 36 36.8 4.657 4.400 69 14.8 14.0 15.4 5:36 (195, 17)
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It keeps 13 mag visually still now. Fading out gradually. It locates in the northern sky and the northern people can observe it until it disappears.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 16 34.64 73 48.9 3.082 3.082 80 14.8 11.4 202.4 21:31 (180,-19)
July 14 16 29.06 72 31.0 3.156 3.158 80 15.0 12.0 192.5 20:59 (180,-17)
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Appearing at dawn. It reaches to 4 mag in 2002 January.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 3 22.73 47 17.6 3.846 3.293 50 15.1 14.3 77.3 5:38 (207, 0)
July 14 3 32.32 47 39.6 3.692 3.207 54 14.9 14.2 77.1 5:36 (204, 1)
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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)
July 7 5 48.60 -73 39.5 13.647 13.809 97 15.1 4.3 114.9 5:38 (340, 37)
July 14 5 55.02 -73 53.4 13.692 13.852 96 15.1 4.3 119.9 5:36 (340, 38)
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Getting higher in the morning sky. It is observable until 2002 autumn at 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 5 45.06 61 15.0 5.716 4.994 41 15.3 16.3 71.1 5:38 (211,-24)
July 14 6 0.22 61 50.9 5.677 4.985 43 15.2 16.3 71.7 5:36 (210,-24)
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It hardly faded out for about half of a year since the perihelion passage in 2000 June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 6 48.21 -20 5.2 5.386 4.692 42 15.4 12.2 70.2 5:38 (288, 9)
July 14 6 53.80 -19 39.2 5.435 4.735 42 15.4 11.6 73.4 5:36 (285, 13)
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Appearing at dawn. No observations reported since 2001 Feb. 3.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 3 51.56 27 17.4 3.262 2.625 43 15.5 24.1 70.1 5:38 (223, 13)
July 14 4 3.37 28 13.0 3.222 2.647 47 15.6 23.4 70.6 5:36 (220, 14)
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Not yet observed in this return. It appears at dawn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 2 28.12 13 31.6 2.003 1.838 65 15.6 35.3 75.9 5:38 (213, 35)
July 14 2 44.49 14 28.3 1.946 1.836 68 15.5 34.7 77.3 5:36 (210, 35)
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Appearing at dawn. No observations reported since 2001 Jan. 4. It will be close down to 3 arcmin to 51P/Harrington on July 9.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 3 3.55 9 42.0 2.531 2.188 58 15.6 19.3 74.9 5:38 (225, 34)
July 14 3 11.99 10 14.6 2.511 2.249 63 15.8 17.5 75.9 5:36 (220, 36)
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It is observable as 15.5 mag until autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 15 3.05 6 6.7 7.215 7.690 114 15.7 7.4 221.4 20:01 (180, 49)
July 14 15 0.97 5 27.1 7.331 7.707 108 15.7 7.0 214.5 19:31 (180, 50)
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It is observable at 16 mag in good condition until late August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 20 36.44 7 5.0 2.278 3.148 142 15.8 21.3 318.5 1:37 (180, 48)
July 14 20 29.50 8 52.2 2.267 3.165 146 15.8 21.1 313.9 1:03 (180, 46)
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Appearing at dawn. No observations reported since Aug. 23, 2000.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 3 39.68 25 5.5 2.772 2.203 46 16.4 27.9 75.3 5:38 (222, 16)
July 14 3 53.42 25 52.0 2.742 2.232 50 16.4 26.9 76.4 5:36 (219, 17)
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Appearing at dawn. It will fade out gradually after this. It is now 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)
July 7 21 42.52 -3 7.4 5.360 6.144 137 16.5 9.0 289.1 2:43 (180, 58)
July 14 21 38.35 -2 48.1 5.336 6.190 144 16.5 9.6 285.4 2:11 (180, 58)
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Appearing at dawn. No observations reported since 2001 Jan. 15. It will fade out gradually then it will be fainter than 18 mag in November.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 1 51.41 11 41.7 3.860 3.727 74 16.5 10.8 90.5 5:38 (204, 40)
July 14 1 56.23 11 38.8 3.811 3.779 80 16.6 9.4 94.5 5:36 (197, 42)
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No observations reported since May 1, 2000.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 17 37.52 -16 56.5 9.859 10.812 158 16.7 3.6 270.6 22:35 (180, 72)
July 14 17 35.83 -16 56.5 9.918 10.826 151 16.7 3.3 269.4 22:05 (180, 72)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
July 7 15 12.26 38 42.0 7.158 7.369 98 17.3 6.5 256.4 20:10 (180, 16)
July 14 15 8.78 38 29.4 7.259 7.394 93 17.4 5.7 248.9 19:39 (180, 17)
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