|
|
It has been brightening in rapid pace since mid December, and already reached to 7.5 mag. It will be 0 mag in the southern sky in spring. In the Northern Hemisphere, it is getting lower in the evening sky after this, and will be unobservable in early March. It is not observable until April in the Southern Hemisphere.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 0 18.39 15 55.8 1.948 1.587 54 7.2 14.7 222.4 18:59 ( 85, 36)
Feb. 14 0 14.14 14 45.6 1.987 1.480 45 6.9 12.1 219.9 19:05 ( 89, 27)
|
|
It is expected to be 2 mag in spring. In the Southern Hemisphere, it keeps observable around the same altitude in the evening sky until that time. On the other hand, in the Northern Hemisphere, it is not observable until that time.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 23 11.92 -68 27.9 2.236 1.869 55 8.7 9.2 26.9 18:59 ( 23,-27)
Feb. 14 23 18.01 -67 34.3 2.131 1.782 56 8.4 9.0 38.6 19:05 ( 25,-29)
|
|
It keeps observable at 12-13 mag in the south until April. In the Northern Hemisphere, it locates 30 deg high, not so high in the south.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 14 9.86 -21 16.8 1.856 2.247 99 12.6 34.8 243.3 5:05 ( 0, 34)
Feb. 14 13 51.70 -23 7.4 1.703 2.242 110 12.4 44.1 248.8 4:19 ( 0, 32)
|
|
It will be observable at 12-13 mag in the evening sky until April. But it will be getting lower gradually.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 1 23.71 14 8.7 1.733 1.629 67 12.5 38.5 85.2 18:59 ( 71, 48)
Feb. 14 1 42.45 14 32.0 1.770 1.613 64 12.5 39.6 84.9 19:05 ( 74, 45)
|
|
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.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 22 25.86 -15 26.7 2.793 1.865 15 12.5 35.7 42.3 18:59 ( 75, -5)
Feb. 14 22 37.59 -12 18.6 2.762 1.810 12 12.6 36.9 42.2 19:05 ( 80, -7)
|
|
In the Northern Hemisphere, it is not observable until when it becomes fainter than 18 mag. In the Southern Hemisphere, it appears in the very low sky at dawn in late February, but it will be fainter than 15 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 20 0.70 -25 59.4 1.796 0.946 21 13.2 44.8 78.9 5:28 (296, -8)
Feb. 14 20 22.10 -24 55.2 1.895 1.062 23 14.1 40.2 76.6 5:23 (295, -8)
|
|
It is still observable visually at 13 mag, however, it is getting lower and lower in the evening sky.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 0 37.67 9 0.5 3.994 3.519 54 13.5 1.7 349.2 18:59 ( 74, 36)
Feb. 14 0 37.81 9 13.8 4.146 3.561 47 13.6 2.3 22.5 19:05 ( 80, 29)
|
|
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 spring, 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.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 18 12.44 -23 56.0 2.077 1.540 44 13.8 48.4 91.4 5:28 (311, 12)
Feb. 14 18 37.44 -23 56.1 2.016 1.508 46 13.6 49.5 89.0 5:23 (310, 11)
|
|
It will be 6.5 mag in the southern sky from autumn to winter in 2004. It is getting higher in the morning sky. In the Northern Hemisphere, it is observable in good condition until early September when it becomes to 7.5 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 19 52.32 16 9.6 4.336 3.615 38 13.8 8.8 67.2 5:28 (262, 18)
Feb. 14 19 56.23 16 36.9 4.229 3.539 40 13.6 9.0 60.9 5:23 (264, 21)
|
|
It will be too low to observe soon. After conjunction, it will appear at dawn again in May.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 22 58.13 -1 12.7 6.578 5.728 28 13.8 11.8 66.6 18:59 ( 82, 10)
Feb. 14 23 3.25 -0 39.3 6.627 5.728 22 13.8 12.1 66.2 19:05 ( 86, 4)
|
|
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.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 23 54.69 -7 18.8 2.056 1.428 38 14.6 51.7 72.1 18:59 ( 68, 18)
Feb. 14 0 17.62 -5 26.0 2.096 1.449 37 14.0 51.1 71.5 19:05 ( 71, 17)
|
|
Appearing at dawn and observed as bright as expected. It is fading out gradually after this.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 17 51.06 -20 58.5 2.538 2.042 49 14.3 29.3 90.5 5:28 (312, 17)
Feb. 14 18 5.36 -20 57.5 2.513 2.081 53 14.4 27.9 89.1 5:23 (314, 18)
|
|
Getting brighter than expected after the perihelion passage. It seems to be observable visually around 13.5 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 13 28.18 10 12.1 1.519 2.180 119 14.4 6.7 99.2 4:23 ( 0, 65)
Feb. 14 13 30.51 10 7.0 1.467 2.192 125 14.3 3.3 97.5 3:58 ( 0, 65)
|
|
The brightness evolution is gradual in this return. So it will reach to 15 mag at best.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 14 55.82 -4 18.4 1.432 1.803 94 15.1 30.0 90.2 5:28 (352, 50)
Feb. 14 15 9.39 -4 14.7 1.382 1.810 98 15.0 27.9 87.6 5:23 (355, 51)
|
|
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.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 21 3.27 -7 53.8 2.645 1.677 8 15.6 40.6 75.2 5:28 (272,-10)
Feb. 14 21 22.10 -6 36.9 2.581 1.614 9 15.2 42.5 74.2 5:23 (272, -9)
|
|
Not observable. It becomes observable again at 15.5 mag after June.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 22 23.51 -18 27.3 3.857 2.919 15 15.3 24.7 68.1 18:59 ( 72, -7)
Feb. 14 22 34.69 -17 22.4 3.897 2.939 12 15.4 24.5 67.8 19:05 ( 76,-11)
|
|
It reached to 15.5 mag in January, much brighter than expected.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 6 32.28 9 23.7 2.925 3.723 138 16.3 3.9 308.8 21:24 ( 0, 64)
Feb. 14 6 31.26 9 41.5 3.011 3.743 131 16.4 2.9 334.4 20:56 ( 0, 65)
|
|
It will be observable around 16 mag until March in the northern sky.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 23 59.74 69 28.2 2.703 2.871 89 16.3 34.4 107.4 18:59 (155, 43)
Feb. 14 0 40.95 68 2.3 2.752 2.876 87 16.3 34.0 113.1 19:05 (154, 44)
|
|
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.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 5 8.68 77 5.9 5.031 5.464 111 16.4 9.5 235.4 20:00 (180, 48)
Feb. 14 4 54.44 76 24.6 5.027 5.397 106 16.3 8.8 224.6 19:19 (180, 49)
|
|
Fading slowly. It will be observable in good condition until May when it will be fainter than 18 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 10 9.22 49 6.6 3.366 4.212 144 16.6 10.3 279.8 1:05 (180, 76)
Feb. 14 10 1.97 49 13.6 3.436 4.275 143 16.7 10.1 271.7 0:30 (180, 76)
|
|
It will be fading slowly and become fainter than 18 mag in April.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 12 10.52 2 6.5 1.725 2.527 135 16.6 6.5 332.6 3:05 ( 0, 57)
Feb. 14 12 8.50 2 51.1 1.693 2.556 143 16.7 8.9 320.8 2:36 ( 0, 58)
|
|
It is observable around 17 mag until spring.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 8 2.28 20 10.7 3.190 4.135 161 16.7 10.2 314.4 22:54 ( 0, 75)
Feb. 14 7 58.90 20 59.1 3.243 4.147 153 16.7 9.1 317.0 22:23 ( 0, 76)
|
|
It keeps 17 mag until early summer, and observable in good condition brighter than 18 mag until October.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 18 40.72 19 53.2 6.211 5.669 52 16.8 13.8 50.1 5:28 (268, 34)
Feb. 14 18 45.83 20 56.9 6.184 5.695 56 16.8 13.7 46.7 5:23 (270, 38)
|
|
It keeps 17 mag until July.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 17 3.65 39 5.2 5.889 5.815 80 17.0 10.6 0.4 5:28 (251, 60)
Feb. 14 17 3.36 40 22.3 5.831 5.824 84 17.0 11.4 354.7 5:23 (248, 64)
|
|
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.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 9 43.60 27 17.8 1.325 2.296 167 17.2 20.6 351.2 0:39 ( 0, 82)
Feb. 14 9 41.79 29 38.1 1.312 2.276 163 17.2 19.9 349.8 0:10 ( 0, 84)
|
|
It will be observable at 17.5 mag in good condition until August.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 17 23.59 6 9.0 3.583 3.246 62 17.5 20.5 84.6 5:28 (296, 42)
Feb. 14 17 32.97 6 24.5 3.516 3.245 66 17.4 19.7 82.6 5:23 (299, 44)
|
|
It will be fainter than 18 mag soon.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Feb. 7 2 16.27 32 9.0 1.827 2.006 85 17.8 40.8 133.3 18:59 ( 90, 67)
Feb. 14 2 31.74 29 7.6 1.971 2.055 80 18.1 36.4 130.8 19:05 ( 86, 62)
|