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It brightened rapidly from mid December and reached to 7.5 mag in mid January. Then it turned to be brightening very slowly, and still 7 mag in mid February. It will be unobservable soon. In the Southern Hemisphere, it appears at dawn in mid April at 2.5 mag, then it locates in good position at 0 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 28 0 8.03 12 51.3 2.018 1.264 30 6.2 9.0 216.1 19:17 ( 98, 11)
Mar. 6 0 5.61 12 1.9 2.004 1.156 22 5.8 8.5 215.3 19:23 (102, 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)
Feb. 28 23 34.92 -66 13.5 1.886 1.610 58 7.8 9.8 63.5 19:17 ( 29,-33)
Mar. 6 23 46.01 -65 48.0 1.745 1.526 60 7.4 11.0 75.1 19:23 ( 30,-35)
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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)
Feb. 28 12 56.97 -26 27.1 1.453 2.241 132 12.0 66.4 260.1 2:30 ( 0, 29)
Mar. 6 12 19.77 -27 23.0 1.373 2.244 142 11.9 76.1 266.4 1:26 ( 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)
Feb. 28 2 21.52 15 20.4 1.845 1.590 59 12.5 41.5 85.3 19:17 ( 80, 40)
Mar. 6 2 41.71 15 42.9 1.884 1.583 57 12.5 42.1 85.8 19:23 ( 83, 38)
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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)
Feb. 28 1 2.23 -1 39.0 2.191 1.503 35 12.5 49.5 71.1 19:17 ( 78, 15)
Mar. 6 1 23.87 0 11.8 2.246 1.536 34 12.9 48.4 71.2 19:23 ( 81, 13)
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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)
Feb. 28 23 1.75 -5 41.5 2.690 1.708 5 12.6 39.5 41.8 19:17 ( 92,-12)
Mar. 6 23 14.25 -2 11.7 2.651 1.662 3 12.6 40.8 41.6 19:23 ( 98,-15)
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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)
Feb. 28 19 28.73 -23 11.1 1.906 1.452 48 13.1 51.3 84.1 5:08 (308, 10)
Mar. 6 19 54.66 -22 25.3 1.859 1.428 49 12.9 51.9 81.7 4:59 (306, 9)
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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)
Feb. 28 20 3.55 17 52.5 3.984 3.385 46 13.3 9.5 47.2 5:08 (268, 29)
Mar. 6 20 6.80 18 41.3 3.846 3.308 50 13.1 9.8 39.7 4:59 (269, 32)
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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)
Feb. 28 23 13.74 0 31.3 6.692 5.727 11 13.8 12.5 65.4 19:17 ( 95, -7)
Mar. 6 23 19.04 1 8.0 6.709 5.727 7 13.8 12.6 65.1 19:23 (100,-12)
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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)
Feb. 28 0 39.53 9 49.2 4.417 3.646 34 13.9 3.9 42.0 19:17 ( 91, 16)
Mar. 6 0 40.89 10 10.3 4.534 3.689 28 14.0 4.4 44.9 19:23 ( 96, 10)
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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)
Feb. 28 22 2.07 -3 37.2 2.451 1.490 10 14.4 46.7 72.5 5:08 (269, -7)
Mar. 6 22 23.31 -1 55.0 2.387 1.429 11 14.0 48.9 71.9 4:59 (268, -7)
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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)
Feb. 28 13 30.29 10 7.0 1.382 2.221 138 14.3 3.7 273.9 3:02 ( 0, 65)
Mar. 6 13 27.76 10 8.6 1.351 2.237 144 14.3 6.9 271.3 2:32 ( 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)
Feb. 28 18 31.62 -20 42.3 2.453 2.160 61 14.5 24.7 86.4 5:08 (316, 20)
Mar. 6 18 43.48 -20 29.7 2.418 2.201 65 14.6 23.0 85.1 4:59 (317, 22)
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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)
Feb. 28 15 33.13 -3 40.9 1.290 1.833 106 14.9 22.9 81.0 5:05 ( 0, 51)
Mar. 6 15 42.97 -3 12.4 1.249 1.849 110 14.9 20.0 76.8 4:47 ( 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)
Feb. 28 4 37.40 74 51.2 5.035 5.262 97 16.2 7.4 202.8 19:17 (173, 49)
Mar. 6 4 33.74 74 3.8 5.044 5.193 93 16.2 6.8 191.4 19:23 (169, 49)
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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)
Feb. 28 1 49.46 64 24.8 2.881 2.892 80 16.4 32.4 120.8 19:17 (149, 44)
Mar. 6 2 17.55 62 25.1 2.959 2.903 77 16.5 31.3 123.1 19:23 (146, 44)
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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)
Feb. 28 6 31.81 10 19.0 3.209 3.783 118 16.7 3.6 41.8 20:01 ( 0, 65)
Mar. 6 6 33.38 10 37.6 3.318 3.804 112 16.8 4.9 57.9 19:35 ( 0, 66)
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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)
Feb. 28 12 1.19 4 38.7 1.662 2.614 159 16.8 12.7 310.5 1:34 ( 0, 60)
Mar. 6 11 56.39 5 36.9 1.666 2.644 167 16.9 13.6 307.8 1:01 ( 0, 61)
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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)
Feb. 28 18 55.14 23 15.6 6.120 5.749 63 16.8 13.4 39.2 5:08 (271, 45)
Mar. 6 18 59.27 24 30.0 6.084 5.776 67 16.8 13.3 35.2 4:59 (272, 49)
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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)
Feb. 28 7 53.97 22 25.2 3.388 4.172 137 16.9 6.6 328.3 21:23 ( 0, 77)
Mar. 6 7 52.63 23 2.0 3.477 4.185 130 16.9 5.3 339.6 20:54 ( 0, 78)
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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)
Feb. 28 9 48.41 48 57.3 3.615 4.400 137 16.9 9.1 253.8 23:17 (180, 76)
Mar. 6 9 42.62 48 35.1 3.722 4.462 133 17.0 8.5 243.8 22:43 (180, 76)
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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)
Feb. 28 17 0.44 43 10.2 5.721 5.843 92 17.0 13.0 343.7 5:08 (237, 72)
Mar. 6 16 57.61 44 38.9 5.671 5.853 95 16.9 13.8 338.4 4:59 (227, 75)
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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)
Feb. 28 9 38.47 33 47.1 1.326 2.243 150 17.2 15.8 352.3 23:07 ( 0, 89)
Mar. 6 9 37.72 35 27.3 1.351 2.229 143 17.3 13.0 357.9 22:39 (180, 89)
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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)
Feb. 28 21 3.80 51 32.7 6.771 6.389 63 17.3 13.1 63.3 5:08 (226, 31)
Mar. 6 21 12.52 52 15.2 6.811 6.418 62 17.4 12.9 60.9 4:59 (226, 33)
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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)
Feb. 28 17 50.31 7 7.2 3.375 3.247 74 17.4 17.7 78.4 5:08 (304, 48)
Mar. 6 17 58.15 7 33.5 3.304 3.250 78 17.3 16.5 76.1 4:59 (307, 51)
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It will be 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)
Feb. 28 3 13.94 15 52.9 1.695 1.673 71 17.4 41.6 56.4 19:17 ( 71, 51)
Mar. 6 3 31.13 18 28.4 1.758 1.686 69 17.5 41.5 58.9 19:23 ( 78, 49)
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