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It approached to the sun down to 0.1 AU on Feb. 18, and reached to -2 mag in the SOHO images. It is not observable after this in the Northern Hemisphere. In the Southern Hemisphere, it began to be observed in late February, when it faded from 2.5 to 4.5 mag as expected.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 0 32.96 -28 12.2 1.298 0.662 30 6.0 96.2 86.1 19:54 ( 64, 12)
Mar. 15 1 16.96 -26 49.9 1.459 0.845 34 7.2 74.1 78.9 19:44 ( 68, 16)
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Getting more condensed. It will reach to 6.5 mag in March and April. In the Northern Hemisphere, it is observable until late April. In the Southern Hemisphere, it will not be 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. 8 22 22.14 52 50.4 1.053 1.008 58 7.1 84.7 125.1 4:26 (226,-35)
Mar. 15 23 5.03 47 0.7 1.157 0.920 49 7.0 70.6 133.9 4:33 (233,-35)
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Now it is fading slowly, like it brightened slowly before the perihelion passage. It is appearing in the evening sky also in the Northern Hemisphere.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 3 32.75 -28 38.2 1.005 1.085 65 8.6 113.0 55.8 19:54 ( 85, 47)
Mar. 15 4 14.31 -21 39.7 1.146 1.230 69 9.3 88.4 52.1 19:44 ( 97, 49)
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It will be observable in the good condition for a long time until spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 11 31.75 37 36.6 1.234 2.137 147 10.6 23.9 221.1 0:32 (180, 17)
Mar. 15 11 22.89 35 21.4 1.259 2.161 146 10.7 25.2 215.7 23:51 (180, 20)
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It kept brightening rapidly since November and reached to 12 mag. Now it is passing the perihelion, but it may be brighter after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 0 58.09 17 38.2 2.314 1.601 34 12.0 45.7 62.4 19:54 (105,-10)
Mar. 15 1 18.20 20 2.9 2.347 1.612 33 12.2 45.7 63.7 19:44 (107,-10)
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It will be observable in good condition at 11-12 mag in early 2003 and 2003 autumn. It was observed a bit brighter than this ephemeris recently.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 6 14.22 4 58.4 2.637 3.061 105 12.3 26.6 293.9 19:54 (163, 49)
Mar. 15 6 3.83 6 10.8 2.751 3.033 96 12.3 22.3 296.4 19:44 (154, 45)
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It has been observed as bright as 12.5 mag from January to early February. However, the brightness after that is uncertain.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 12 53.65 -33 39.3 1.198 2.020 134 12.7 84.4 273.5 1:55 (180, 89)
Mar. 15 12 6.54 -32 14.2 1.203 2.095 144 12.9 85.4 281.9 0:41 (180, 87)
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Not observable. It will appear at dawn in June at 15.5 mag, then it will be fading.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 22 38.42 -10 17.9 2.766 1.796 9 12.8 39.3 70.3 4:26 (289, -8)
Mar. 15 22 55.65 -8 44.5 2.788 1.828 12 13.0 38.3 69.6 4:33 (285, -6)
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It is observable at 12.5 mag for long time from April to August. It passes in front of M20 on Mar. 12.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 17 55.12 -22 57.5 2.485 2.479 78 13.5 21.6 98.4 4:26 (260, 56)
Mar. 15 18 5.70 -23 19.0 2.394 2.472 82 13.4 20.5 98.5 4:33 (255, 61)
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It was observed visually at around 13 mag these days.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 15 32.66 -19 58.9 1.630 2.194 111 13.8 12.4 113.6 4:26 (185, 75)
Mar. 15 15 37.62 -20 31.3 1.564 2.202 116 13.7 9.6 116.9 4:09 (180, 76)
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Not observable. It will be obervable again in April or May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 22 0.77 -10 13.5 6.703 5.770 18 13.8 12.2 66.7 4:26 (283, -1)
Mar. 15 22 6.02 -9 39.7 6.663 5.769 23 13.8 11.9 66.2 4:33 (279, 5)
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It is observable in good condition at 14-15 mag until autumn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 18 46.55 33 10.7 5.499 5.302 73 14.1 15.9 33.4 4:26 (220, 7)
Mar. 15 18 51.20 34 44.9 5.458 5.313 76 14.1 15.7 29.7 4:33 (214, 10)
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It is observed around 13.5 mag visually, a bit brighter than expected.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 11 23.80 16 39.3 1.005 1.986 168 14.2 10.4 315.2 0:24 (180, 38)
Mar. 15 11 20.31 17 24.7 1.031 2.007 164 14.3 8.8 309.0 23:48 (180, 38)
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It will reach to 1 mag in 2004 spring. In the Northern Hemisphere, it is not observable until that time.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 2 0.31 -34 43.6 6.118 5.515 48 14.8 7.6 52.5 19:54 ( 67, 31)
Mar. 15 2 3.95 -34 12.2 6.084 5.449 46 14.8 8.1 57.7 19:44 ( 66, 28)
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Getting brighter more slowly than expected, and it is still 15 mag. It may become only 10 mag in autumn at best. In the Northern Hemisphere, it will observable only until July, when it may be still 12 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 15 44.92 34 45.0 2.598 3.092 110 15.3 15.8 324.4 4:26 (184, 20)
Mar. 15 15 38.51 36 18.1 2.450 3.010 115 15.0 19.0 316.0 4:10 (180, 19)
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It will keep 14-15 mag until the end of 2003.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 6 26.51 27 50.5 2.357 2.838 108 15.1 29.8 258.0 19:54 (172, 27)
Mar. 15 6 12.65 27 5.6 2.472 2.803 98 15.1 24.5 254.7 19:44 (164, 26)
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It had brightened very rapidly since September and reached to 15 mag in late November. On the contrary, it has been at 15.5 mag for three months after that. It is only observable until spring. It is not observable around the perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 4 13.81 18 46.0 2.440 2.435 77 15.2 15.7 74.7 19:54 (137, 24)
Mar. 15 4 21.81 19 15.3 2.489 2.394 72 15.1 17.7 76.2 19:44 (136, 22)
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It will be 14 mag from spring to summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 16 0.91 -13 4.0 2.527 2.959 106 15.4 10.5 85.7 4:26 (202, 67)
Mar. 15 16 5.54 -12 56.5 2.410 2.929 111 15.2 8.9 81.3 4:33 (183, 68)
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It became a bit fainter after the perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 14 48.72 44 2.1 3.945 4.508 118 15.6 11.5 288.2 3:48 (180, 11)
Mar. 15 14 41.12 44 23.9 3.942 4.545 121 15.6 12.6 281.9 3:13 (180, 11)
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It is expected to be 1 mag in the southern sky in 2004 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 4 24.76 27 7.6 5.599 5.548 81 15.7 1.7 248.4 19:54 (145, 18)
Mar. 15 4 24.25 27 4.0 5.654 5.479 74 15.6 0.5 222.3 19:44 (141, 16)
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It will be observable at 14.5 mag for a long time from spring to autumn in the Southern Hemisphere. In the Northern Hemisphere, it locates very low in the morning until spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 18 12.93 -31 40.1 4.239 4.085 74 15.7 14.0 125.2 4:26 (277, 55)
Mar. 15 18 18.99 -32 38.0 4.109 4.057 80 15.7 13.6 128.9 4:33 (275, 61)
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The brightening pace is slow and it has been around 15.5 mag since late October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 16 41.10 11 59.2 1.083 1.575 98 15.7 30.4 223.2 4:26 (204, 40)
Mar. 15 16 29.68 9 16.7 1.047 1.643 107 15.7 36.6 228.4 4:33 (190, 45)
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It keeps 16 mag until June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 13 19.20 38 0.5 5.443 6.198 136 16.0 7.0 282.0 2:19 (180, 17)
Mar. 15 13 14.97 38 8.2 5.456 6.229 137 16.0 7.5 275.5 1:47 (180, 17)
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It keeps good condition until May 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. 8 11 24.69 15 28.4 1.496 2.478 169 16.1 16.7 285.1 0:25 (180, 40)
Mar. 15 11 17.12 15 54.3 1.553 2.528 165 16.3 15.2 281.5 23:45 (180, 39)
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It keeps observable in good condition until April 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. 8 9 43.42 24 3.8 1.093 2.022 151 16.4 0.5 166.5 22:40 (180, 31)
Mar. 15 9 44.06 23 54.9 1.159 2.055 145 16.7 3.2 130.7 22:13 (180, 31)
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As it is a very far object, it keeps 17 mag until 2004 summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 19 8.44 21 35.0 6.241 5.896 65 17.2 10.1 6.5 4:26 (232, 13)
Mar. 15 19 8.77 22 47.6 6.147 5.884 70 17.1 10.7 0.8 4:33 (225, 17)
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It keeps 17 mag until April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 9 13.21 20 38.9 4.821 5.681 147 17.3 7.4 326.6 22:09 (180, 34)
Mar. 15 9 11.41 21 20.1 4.909 5.703 139 17.3 6.4 330.7 21:40 (180, 34)
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It is getting fainter gradually. It keeps brighter than 18 mag until March.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 8 8 32.83 29 29.4 7.677 8.411 135 17.8 8.2 287.2 21:29 (180, 25)
Mar. 15 8 28.88 29 44.8 7.804 8.447 127 17.8 7.2 286.0 20:58 (180, 25)
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