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The brightness evolution had been slower than expected from January to February. Not it is not observable. In the Southern Hemisphere, it appears at dawn in mid April at 3.5 mag, then it locates in good position at 1 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 0 5.63 12 2.0 2.004 1.156 22 6.4 8.5 215.3 19:23 (102, 4)
Mar. 13 0 3.33 11 14.0 1.967 1.048 15 6.0 8.4 215.2 19:29 (107, -4)
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It will be 2 mag in May. In the Southern Hemisphere, it keeps observable in the south-western sky at dusk. In the Northern Hemisphere, it is not observable until May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 23 46.07 -65 47.9 1.746 1.526 60 7.4 11.0 75.1 19:23 ( 30,-35)
Mar. 13 23 59.47 -65 33.3 1.594 1.443 62 7.0 13.2 84.7 19:29 ( 30,-37)
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It is diffused around 11.5 mag visually. It keeps observable at 11-12 mag until April. After mid April, it begins to be lower and fainter in the evening sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 12 19.77 -27 23.0 1.373 2.244 142 11.9 76.1 266.4 1:26 ( 0, 28)
Mar. 13 11 38.14 -27 22.5 1.336 2.251 149 11.9 81.3 273.0 0:18 ( 0, 28)
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It will be observable at 12-13 mag in the evening sky until April. But it will be getting lower gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 2 41.71 15 42.9 1.884 1.583 57 12.5 42.1 85.8 19:23 ( 83, 38)
Mar. 13 3 2.25 16 2.5 1.923 1.579 55 12.5 42.7 86.5 19:29 ( 85, 35)
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Not obesrvable. In the Northern Hemisphere, it will appear at dawn at 12.5 mag. However, because it had been fading since the discovery although it was coming closer to the Sun, the brightness in May is quite uncertain. Then it keeps low until autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 23 14.25 -2 11.7 2.651 1.662 3 12.6 40.8 41.6 19:23 ( 98,-15)
Mar. 13 23 27.11 1 25.9 2.609 1.621 4 12.6 42.2 41.5 4:49 (258,-14)
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Curernt brightness is uncertain. It was observed as 16.1 mag on Dec. 31, 1.5 mag fainter than expected. Although it had been expected to reach to 10 mag in April, it may be 12.5 or 14 mag at best. It is observable in good condition in the Southern Hemisphere. But in the Northern Hemisphere, it keeps locating lower than 15 deg until June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 19 54.66 -22 25.3 1.859 1.428 49 12.9 51.9 81.7 4:59 (306, 9)
Mar. 13 20 20.54 -21 24.5 1.817 1.408 50 12.8 52.4 79.5 4:49 (304, 9)
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Not yet recovered in this return. At the previous appearance, it brightened after the perihelion passage and reached to 10 mag. If it behaves so again, it may brighten after the perihelion passage on Jan. 9 and reach to 13 mag in March. However, it keeps locating very low in the evening sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 1 23.87 0 11.8 2.246 1.536 34 12.9 48.4 71.2 19:23 ( 81, 13)
Mar. 13 1 45.04 1 58.6 2.304 1.571 33 13.1 47.3 71.6 19:29 ( 84, 12)
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It is already as bright as 12.5 mag, well condensed and easy to see. It will be 6.5 mag in the southern sky from autumn to winter in 2004. In the Northern Hemisphere, it is observable in good condition until early September when it becomes to 7.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 20 6.80 18 41.3 3.846 3.308 50 13.1 9.8 39.7 4:59 (269, 32)
Mar. 13 20 9.68 19 37.9 3.699 3.230 54 12.9 10.2 31.8 4:49 (270, 36)
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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)
Mar. 6 22 23.31 -1 55.0 2.387 1.429 11 14.0 48.9 71.9 4:59 (268, -7)
Mar. 13 22 45.48 -0 5.2 2.325 1.370 12 13.6 51.2 71.6 4:49 (265, -7)
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Not observable. It will appear at dawn in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 23 19.04 1 8.0 6.709 5.727 7 13.8 12.6 65.1 19:23 (100,-12)
Mar. 13 23 24.36 1 45.4 6.716 5.726 5 13.8 12.6 64.7 4:49 (258,-14)
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It will be unobservable soon. But it will appear at dawn again at 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 0 40.89 10 10.3 4.534 3.689 28 14.0 4.4 44.9 19:23 ( 96, 10)
Mar. 13 0 42.48 10 33.2 4.637 3.733 21 14.1 4.9 46.3 19:29 (100, 4)
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Getting brighter than expected after the perihelion passage. It is observable visually around 13.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 13 27.76 10 8.6 1.351 2.237 144 14.3 6.9 271.3 2:32 ( 0, 65)
Mar. 13 13 23.80 10 8.5 1.329 2.254 151 14.4 9.7 268.6 2:01 ( 0, 65)
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It is a bit fainter than this ephemeris recently. It is fading out gradually after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 18 43.48 -20 29.7 2.418 2.201 65 14.6 23.0 85.1 4:59 (317, 22)
Mar. 13 18 54.44 -20 14.8 2.378 2.241 69 14.7 21.2 84.0 4:49 (319, 23)
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The brightness evolution is gradual in this return. So it will reach to 15 mag at best.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 15 42.97 -3 12.4 1.249 1.849 110 14.9 20.0 76.8 4:47 ( 0, 52)
Mar. 13 15 51.26 -2 37.6 1.212 1.867 115 14.9 16.9 71.5 4:28 ( 0, 52)
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It is expected to be 5 mag in 2005 spring. Until that time, it keeps observable in the Northern Hemisphere, which the comet will be getting brighter gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 4 33.74 74 3.8 5.044 5.193 93 16.2 6.8 191.4 19:23 (169, 49)
Mar. 13 4 32.68 73 18.1 5.054 5.125 88 16.1 6.4 179.4 19:29 (166, 48)
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It is getting fainter slowly and will be unobervable at 17 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 2 17.55 62 25.1 2.959 2.903 77 16.5 31.3 123.1 19:23 (146, 44)
Mar. 13 2 42.35 60 23.9 3.044 2.915 73 16.6 30.2 124.6 19:29 (143, 43)
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It reached to 15.5 mag in January, much brighter than expected. It already began to be fading, 16-16.5 mag in mid February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 6 33.38 10 37.6 3.318 3.804 112 16.8 4.9 57.9 19:35 ( 0, 66)
Mar. 13 6 35.75 10 55.4 3.432 3.826 105 17.0 6.3 67.1 19:29 ( 11, 66)
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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)
Mar. 6 18 59.27 24 30.0 6.084 5.776 67 16.8 13.3 35.2 4:59 (272, 49)
Mar. 13 19 2.99 25 47.2 6.046 5.803 71 16.8 13.1 31.1 4:49 (272, 52)
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It will be fading slowly and become fainter than 18 mag in April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 11 56.39 5 36.9 1.666 2.644 167 16.9 13.6 307.8 1:01 ( 0, 61)
Mar. 13 11 51.24 6 34.3 1.682 2.673 174 17.0 13.7 305.8 0:29 ( 0, 62)
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It will become fainter than 18 mag, and too low to observe in June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 7 52.63 23 2.0 3.477 4.185 130 16.9 5.3 339.6 20:54 ( 0, 78)
Mar. 13 7 52.11 23 34.7 3.576 4.198 122 17.0 4.4 357.1 20:26 ( 0, 79)
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It keeps 17 mag until July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 16 57.61 44 38.9 5.671 5.853 95 16.9 13.8 338.4 4:59 (227, 75)
Mar. 13 16 53.73 46 9.1 5.627 5.864 98 16.9 14.5 333.0 4:49 (212, 76)
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Fading slowly. It will be observable in good condition until May when it will be 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)
Mar. 6 9 42.62 48 35.1 3.722 4.462 133 17.0 8.5 243.8 22:43 (180, 76)
Mar. 13 9 37.72 48 5.2 3.839 4.524 128 17.1 7.9 233.0 22:11 (180, 77)
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It will be observable at 17.5 mag in good condition until August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 17 58.15 7 33.5 3.304 3.250 78 17.3 16.5 76.1 4:59 (307, 51)
Mar. 13 18 5.36 8 2.3 3.231 3.254 82 17.3 15.2 73.7 4:49 (310, 53)
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Unusual minor planet with a period of 55 years. It becomes to be at peak in mid February, and fainter than 18 mag in late March.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 9 37.72 35 27.3 1.351 2.229 143 17.3 13.0 357.9 22:39 (180, 89)
Mar. 13 9 38.02 36 48.1 1.386 2.219 136 17.5 10.2 8.8 22:12 (180, 88)
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It will be fainter than 18 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 6 21 12.52 52 15.2 6.811 6.418 62 17.4 12.9 60.9 4:59 (226, 33)
Mar. 13 21 21.04 53 0.5 6.848 6.448 62 17.4 12.7 58.4 4:49 (225, 35)
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