|
|
It keeps brighter than 4.0 mag locating high in the evening sky until late January. In the Northern Hemisphere, it keeps observable in good condition for a long time while the comet is bright enough visible visually until 2005 October when it becomes faint as 14 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 3 51.42 8 52.8 0.354 1.262 135 3.8 127.8 344.0 21:05 (180, 45)
Jan. 8 3 35.00 23 43.6 0.349 1.234 129 3.6 131.8 346.3 21:02 (169, 29)
|
|
In the Southern Hemisphere, it keeps observable in good condition until April when it reaches to 13 mag. In the Northern Hemisphere, it will appear at dusk in mid January at 9 mag, then it will keep observable until the end of March in the evening sky.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 6 28.36 -58 59.5 1.184 1.640 97 7.8 97.2 287.7 23:35 ( 0, 66)
Jan. 8 5 18.92 -53 56.1 1.258 1.722 99 8.2 87.1 305.6 22:02 ( 0, 72)
|
|
It will be fading gradually after this, but it keeps 11 mag until the end of January. It will be visible visually until May when it becomes too low in the evening sky.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 3 10.36 11 14.1 1.330 2.080 127 11.0 8.2 77.7 21:03 (167, 43)
Jan. 8 3 14.81 11 30.2 1.407 2.095 121 11.2 11.1 75.3 21:02 (160, 41)
|
|
In the Northern Hemisphere, it keeps observable until 2005 spring when it reaches to 8 mag. The altitude will be constant until late February, and it will not be higher.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 18 11.32 38 51.6 2.018 1.789 62 11.3 40.7 128.7 3:03 (248,-48)
Jan. 8 18 29.81 35 52.7 1.975 1.697 59 11.1 40.4 129.1 3:11 (251,-44)
|
|
Very diffused and widely spreading visually. It keeps bright at 11 mag untill January.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 11 57.01 12 20.8 0.909 1.511 105 11.2 31.6 88.8 3:03 (219, 33)
Jan. 8 12 11.29 12 30.9 0.881 1.526 109 11.2 28.2 85.3 3:11 (214, 36)
|
|
It will be fading gradually after this, but it keeps 11 mag until mid January. In the Northern Hemisphere, it keeps observable until July when it becomes fainter than 18 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 23 28.71 44 59.6 1.761 2.069 93 11.2 11.6 17.7 21:03 (140, -9)
Jan. 8 23 32.02 46 19.5 1.844 2.082 89 11.4 13.4 28.0 21:02 (138,-13)
|
|
It had been around 6-6.5 mag from Dec. 16 to 20. After appearing at dusk, Ken-ichi Kadota observed it as 10.1 mag on Dec. 26 and 10.9 mag on Dec. 30. It will be observable while fading after this. But it may fade out must faster than expected.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 20 38.51 -21 52.6 0.879 0.430 25 11.6 177.3 98.2 21:03 ( 63, 0)
Jan. 8 22 5.73 -23 35.6 0.844 0.620 38 13.1 165.9 91.6 21:02 ( 70, 13)
|
|
The condition of this return is bad. It is not observable around the perihelion passage. It will appear at dawn in 2005 July at 14.5 mag, then it will be fading after that.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 18 50.51 -20 58.9 2.485 1.503 2 12.4 47.3 91.0 21:03 ( 45,-19)
Jan. 8 19 14.38 -20 57.3 2.464 1.481 1 12.2 48.2 88.8 3:11 (314,-19)
|
|
It keeps observable at 12-13 mag in the evening sky until May.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 2 25.59 15 45.6 1.357 2.022 118 12.8 10.3 22.8 21:03 (155, 36)
Jan. 8 2 28.43 16 54.1 1.401 1.995 112 12.8 12.7 37.2 21:02 (150, 32)
|
|
Although it brightened to 11 mag in mid December, it became faint as 13 mag in late December.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 0 2.30 9 13.6 5.754 5.730 83 13.5 5.6 77.0 21:03 (118, 21)
Jan. 8 0 5.09 9 23.9 5.865 5.730 77 13.5 6.6 74.9 21:02 (114, 16)
|
|
Completely diffused visually. It keeps observable for a long time after this in the Northern Hemisphere. It is also visible at midnight or dawn, but low.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 21 32.82 60 54.6 3.275 3.426 90 13.6 24.5 115.7 21:03 (145,-32)
Jan. 8 21 53.02 59 42.4 3.398 3.504 87 13.8 23.1 115.0 21:02 (144,-32)
|
|
It bursted out in late November and reached to 13.5 mag. Now it is visible visually.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 5 56.32 54 58.8 1.794 2.671 146 13.8 55.3 286.5 23:07 (180, 0)
Jan. 8 5 13.44 56 7.0 1.856 2.679 139 13.9 50.1 275.9 21:57 (180, -1)
|
|
It will be getting fainter gradually until June when it becomes 17 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 11 20.20 -17 20.1 3.558 3.881 101 14.1 12.2 269.2 3:03 (236, 62)
Jan. 8 11 13.75 -17 17.4 3.516 3.960 109 14.2 14.2 273.8 3:11 (217, 69)
|
|
It tends to become brightest after the perihelion passage. It was 16 mag in mid December, fainter than expected by about 1-1.5 mag. If it brightens as expected, it will reach to 14 mag in February at the opposition.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 10 40.32 23 58.8 2.046 2.749 126 14.4 9.1 21.1 3:03 (194, 30)
Jan. 8 10 41.35 25 1.5 1.991 2.761 133 14.3 9.5 4.6 3:11 (185, 30)
|
|
It will be fading slowly until August when it becomes low in the evening sky at 16.5 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 0 17.58 46 23.7 1.508 1.962 101 14.4 9.3 32.2 21:03 (147, -4)
Jan. 8 0 22.15 47 21.7 1.567 1.956 97 14.5 12.1 43.8 21:02 (145, -7)
|
|
It has been brightening more rapidly than expected. It may be reach to 13 mag in 2006.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 5 36.07 48 21.6 5.357 6.236 151 15.0 5.9 280.3 22:50 (180, 7)
Jan. 8 5 32.13 48 26.8 5.364 6.208 146 15.0 5.4 274.9 22:19 (180, 7)
|
|
Diffused, and fading rapidly. It was around 16 mag in mid December, fainter than this ephemeris by 1 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 11 35.60 40 55.5 2.884 3.454 117 15.1 8.4 303.0 3:03 (201, 10)
Jan. 8 11 30.53 41 27.9 2.876 3.523 124 15.3 10.4 296.6 3:11 (193, 12)
|
|
It keeps 15-16 mag in the evening sky until May.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 1 13.59 -16 50.5 1.143 1.502 89 15.2 32.3 42.9 21:03 (108, 51)
Jan. 8 1 25.04 -13 59.0 1.155 1.472 86 15.2 35.8 45.1 21:02 (109, 47)
|
|
It will be observable in good conditon at 15.5 mag until late January. In its last return in 1997, it burst out after the perihelion passage and became extremely bright, reached to 11 mag. However, it is faint in this return.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 9 10.16 22 36.1 1.061 1.960 146 15.4 19.1 1.6 2:28 (180, 33)
Jan. 8 9 9.62 24 54.3 1.037 1.969 154 15.4 20.4 352.7 2:00 (180, 30)
|
|
It will reach to 9 mag in 2006 spring. It has been brightening well as expected. In this season, it keeps observable until March when it becomes 15.5 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 4 49.33 -18 24.1 4.214 4.901 129 15.5 15.6 260.9 22:03 (180, 73)
Jan. 8 4 41.95 -18 37.0 4.215 4.838 124 15.5 14.6 265.0 21:29 (180, 74)
|
|
Brighening well as expected. We can observe it in good condition while it is brightening, then the comet will reach to 9 mag in spring and summer. It may become a naked-eye object due to the Deep Impact mission on July 4.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 12 35.26 9 37.4 1.947 2.274 96 15.9 19.8 99.6 3:03 (230, 30)
Jan. 8 12 44.30 9 16.9 1.826 2.233 100 15.5 18.8 97.6 3:11 (224, 34)
|
|
It keeps observable at 15.5 mag until mid February.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 1 34.50 20 8.4 0.626 1.322 108 15.6 60.3 227.3 21:03 (144, 26)
Jan. 8 1 15.15 15 33.2 0.647 1.227 95 15.7 51.2 223.1 21:02 (132, 24)
|
|
Almost stellar. It keeps observable in good condition until April when it becomes fainter than 18 mag.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 0 20.88 35 25.6 0.824 1.371 98 15.7 44.4 45.1 21:03 (140, 5)
Jan. 8 0 39.69 38 48.5 0.896 1.408 96 15.9 42.3 50.3 21:02 (141, 1)
|
|
It will be at opposition and reach to 13.5 mag in March and April. No observations have been reported since 2004 August. So it is uncertain if the comet is brightening as expected.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 15 41.96 -26 30.0 2.938 2.299 41 16.0 7.7 183.4 3:03 (292, 15)
Jan. 8 15 41.27 -27 26.2 2.786 2.263 48 15.8 8.7 195.1 3:11 (288, 23)
|
|
It will be observable in good condition at 16 mag until March.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 7 55.38 60 13.8 1.227 2.084 140 16.1 4.8 343.0 1:14 (180, -5)
Jan. 8 7 53.37 60 35.6 1.194 2.055 141 16.0 3.1 299.5 0:44 (180, -6)
|
|
It is observable at 16.5 mag in good condition until February.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 5 36.52 27 28.1 1.957 2.914 163 16.4 10.6 257.8 22:51 (180, 28)
Jan. 8 5 31.42 27 11.4 1.981 2.905 155 16.4 9.3 254.5 22:18 (180, 28)
|
|
It was visible visually around 13.5 mag in October, but became faint rapidly in November. It keeps observable until it becomes fainter than 18 mag in March.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 1 26.73 10 33.4 1.277 1.782 103 16.5 28.3 53.2 21:03 (137, 33)
Jan. 8 1 37.93 12 30.1 1.356 1.802 99 16.8 29.3 56.0 21:02 (135, 30)
|
|
It will be getting fainter and lower until March, when it becomes 17.5 mag and too low.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 0 3.12 6 11.3 2.469 2.538 82 16.5 19.8 65.2 21:03 (116, 23)
Jan. 8 0 11.88 7 11.1 2.552 2.536 77 16.6 21.2 65.5 21:02 (114, 19)
|
|
New comet. It keeps 16.5 mag in good condition until late January.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 11 5.99 24 22.4 1.757 2.416 121 16.6 9.7 14.0 3:03 (201, 28)
Jan. 8 11 6.38 25 31.7 1.728 2.457 127 16.6 10.4 355.5 3:11 (192, 29)
|
|
New asteroid with a cometary orbit. It is getting far away from the earth and fading rapidly now.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 7 13.45 3 35.0 0.168 1.142 159 16.6 186.2 181.5 0:32 (180, 50)
Jan. 8 7 11.28 -14 2.6 0.207 1.157 143 17.5 117.0 181.9 0:02 (180, 68)
|
|
It will brighten gradually, then it will be 15 mag in spring and summer.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 15 5.19 -14 8.9 3.973 3.468 52 16.8 17.6 108.0 3:03 (276, 16)
Jan. 8 15 13.15 -14 45.8 3.874 3.453 57 16.7 17.0 107.5 3:11 (273, 22)
|
|
It will be as faint as 17.5 mag in March when it becomes low in the evening western sky.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 0 56.75 -1 43.2 3.722 3.879 91 16.7 7.7 46.0 21:03 (120, 38)
Jan. 8 0 59.65 -1 4.4 3.847 3.897 85 16.8 9.0 50.3 21:02 (116, 33)
|
|
Although the condition is good, it will be fainter than 18 mag in late February.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 3 49.87 10 10.1 1.105 1.937 136 17.1 12.5 357.1 21:05 (180, 45)
Jan. 8 3 50.47 11 39.8 1.147 1.930 129 17.2 13.4 13.6 21:02 (172, 43)
|
|
It is observable at 17 mag in good condition until January.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 1 1.69 9 29.3 2.857 3.137 97 17.2 9.5 78.6 21:03 (131, 31)
Jan. 8 1 6.48 9 45.2 2.947 3.128 91 17.3 11.2 76.4 21:02 (126, 27)
|
|
Although the condition is good, it will be fainter than 18 mag in February.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 5 18.13 32 13.7 0.971 1.920 158 17.3 2.7 276.4 22:33 (180, 23)
Jan. 8 5 17.37 32 13.1 0.994 1.918 151 17.3 0.5 179.7 22:04 (180, 23)
|
|
It keeps 17.5 mag and locating high until February.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 3 22.06 16 4.8 2.273 3.017 131 17.3 7.5 310.9 21:03 (172, 38)
Jan. 8 3 19.90 16 40.8 2.321 2.987 124 17.3 6.2 329.5 21:02 (164, 37)
|
|
It is observable in good condition at 17.5 mag until March.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 9 44.72 38 29.3 3.632 4.423 139 17.6 5.8 332.3 3:03 (180, 17)
Jan. 8 9 42.69 39 4.8 3.580 4.420 144 17.5 6.4 321.0 2:33 (180, 16)
|
|
Diffused, and fading rapidly. It will be fainter than 18 mag in January.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 1 41.82 9 35.7 2.330 2.774 106 17.6 8.4 59.7 21:03 (140, 36)
Jan. 8 1 45.66 10 6.9 2.467 2.816 100 17.9 10.1 62.3 21:02 (135, 33)
|
|
New comet. It will be observable at 17.5 mag until May.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 11 43.91 4 31.2 4.245 4.615 106 17.8 8.6 218.6 3:03 (221, 42)
Jan. 8 11 40.97 3 45.1 4.117 4.599 113 17.7 9.7 228.2 3:11 (210, 47)
|
|
Although it has passed the perihelion about 1 year ago, it has been brightening gradually, and reached to 17.5 mag now.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 7 28.85 46 13.2 3.093 4.007 155 17.7 9.6 299.1 0:47 (180, 9)
Jan. 8 7 23.08 46 41.9 3.106 4.022 155 17.7 9.3 292.3 0:14 (180, 8)
|
|
New comet. Very diffused. It will fade out rapidly after this, and will be fainter than 18 mag in early January.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 1 0.38 17 29.3 0.581 1.225 99 17.7 92.6 68.3 21:03 (137, 24)
Jan. 8 1 39.43 20 49.3 0.665 1.302 102 18.3 76.1 71.5 21:02 (141, 23)
|
|
It will reach to 16.7 mag at best in early 2006. Because it moves in the northern sky, it keeps observable for a long time in the Northern Hemisphere.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 5 9.70 47 44.1 4.992 5.854 148 17.8 7.3 287.0 22:24 (180, 7)
Jan. 8 5 5.03 47 56.9 5.009 5.827 143 17.8 6.6 283.5 21:52 (180, 7)
|
|
It keeps 18 mag until spring.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 14 14.91 43 58.5 6.532 6.626 91 17.8 6.7 350.6 3:03 (222,-10)
Jan. 8 14 13.86 44 46.8 6.475 6.651 96 17.8 7.5 343.6 3:11 (217, -6)
|
|
It keeps observable at 18 mag in good condition until January.
|
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 1 6 14.66 7 17.8 3.454 4.402 162 17.8 17.8 244.2 23:28 (180, 48)
Jan. 8 6 7.36 6 26.4 3.528 4.449 156 17.9 16.5 245.2 22:54 (180, 49)
|