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Image:
1998 Nov. 1
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About 8.5 mag actually. Brightness and position will be stable until late December. It is close by 4P in this week, by C/1997 J2 in next week. It will close to M72, M73, Saturn nebula(NGC 7009) next week.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 20 29.34 -13 51.4 0.854 1.034 67 7.9 79.9 111.5 20:29 ( 96, 33)
Nov. 28 21 6.12 -17 4.7 0.850 1.038 68 8.0 81.4 108.7 20:38 ( 92, 35)
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Image:
1998 Nov. 19
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Large, bright and condensed. Southern people cannot see it. Northern people will also miss it after mid December a while.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 0 2.95 55 51.9 0.477 1.323 125 8.6 232.3 242.2 20:29 (174, 0)
Nov. 28 22 21.70 41 57.6 0.609 1.289 105 9.0 138.3 220.5 20:38 (149, 5)
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Image:
1998 Nov. 1
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Northern people can see it for a long time until next May, although it will low in this winter. Southern people cannot see it. About 3.4 deg from M57.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 18 45.62 36 1.6 2.025 1.931 70 10.4 1.4 296.2 20:29 (122,-17)
Nov. 28 18 45.45 36 13.5 2.036 1.894 67 10.3 2.9 12.9 20:38 (119,-24)
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Image:
1998 Nov. 18
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Succeeded to take the image on Nov. 19 morning. Now it is 10-11 mag, a bit fainter than expected, but well condensed. Southern people cannot see it a while more.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 13 23.14 -19 46.4 1.973 1.269 33 10.5 14.7 343.6 3:03 (289, 7)
Nov. 28 13 20.72 -18 3.2 1.896 1.320 40 10.6 16.5 339.6 2:57 (285, 11)
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Only observable in the Southern Hemisphere. A bit brighter than the ephemeris, 10.5 mag in October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 7 4.68 -71 27.1 7.041 6.983 82 11.4 9.6 220.3 3:03 ( 0, 54)
Nov. 28 6 54.65 -72 14.5 7.099 7.042 82 11.4 9.4 228.8 2:29 ( 0, 53)
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Image:
1998 Nov. 19
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Magnitude will be stable until next April. It is low for Southern people. About 4 deg from 52P.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 7 0.07 41 27.0 1.581 2.373 133 11.8 2.0 133.1 3:01 (180, 14)
Nov. 28 7 0.06 41 14.5 1.504 2.347 139 11.6 2.7 212.8 2:34 (180, 14)
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Although it locates extremely low, it is so bright as 10-11 mag, brighter than the ephemeris. Although it will locate in the evening southern west sky, it will fade soon. It is close by M75 this week.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 19 59.72 -24 25.3 1.781 1.522 58 12.3 48.9 77.9 20:29 ( 81, 32)
Nov. 28 20 23.77 -23 6.8 1.845 1.552 57 12.6 48.0 75.7 20:38 ( 81, 28)
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Image:
1998 Mar. 7
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A bit fainter than the ephemeris. It will set down in the west soon. It will be close by 21P next week.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 21 7.22 -15 17.6 4.034 3.918 76 12.7 10.7 136.6 20:29 (100, 41)
Nov. 28 21 11.03 -16 7.9 4.190 3.959 69 12.8 10.7 128.6 20:38 ( 94, 34)
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Image:
1998 Nov. 19
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Stably keeping 12 mag since July. The condition will be good for Northern people. P/1998 U3 is close.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 7 15.86 39 56.5 1.068 1.870 130 12.8 11.1 68.9 3:03 (183, 15)
Nov. 28 7 21.20 40 22.9 1.006 1.849 136 12.8 8.0 63.6 2:55 (180, 15)
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Image:
1998 Nov. 19
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Bright as 13 mag both visually and by CCD. Now is the peak and it will fade after this. Southern people cannot observe it.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 6 38.43 47 33.0 0.888 1.736 135 13.4 5.3 33.1 2:40 (180, 7)
Nov. 28 6 39.03 47 57.6 0.875 1.754 140 13.5 2.8 336.4 2:13 (180, 7)
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Image:
1998 Oct. 18
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Although 13 mag visually, 16 mag by CCD. It will reach to 7 mag next year but the condition is bad for Northern people.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 0 6.85 10 53.5 2.452 3.146 126 13.9 31.0 237.4 20:29 (172, 44)
Nov. 28 23 55.27 9 0.4 2.504 3.075 116 13.9 27.5 235.6 20:38 (155, 43)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 14 30.07 -23 22.3 7.141 6.207 17 14.2 11.3 110.3 3:03 (302, -3)
Nov. 28 14 35.42 -23 49.7 7.102 6.206 23 14.2 11.1 110.6 2:57 (299, 0)
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Only observable in the Southern Hemisphere. Recent magnitude is faint as 14-16 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 18 37.09 -70 56.8 2.891 2.494 56 14.3 28.1 97.7 20:29 ( 23, 34)
Nov. 28 19 18.06 -71 8.3 2.930 2.523 56 14.4 28.9 90.3 20:38 ( 23, 34)
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Image:
1998 June 20
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Beginning to fade gradually. It has a strange tail (about 1.5 arcmin).
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 2 34.25 9 45.4 1.241 2.196 160 14.5 11.5 238.6 22:32 (180, 45)
Nov. 28 2 30.41 9 10.6 1.362 2.281 152 14.7 7.6 238.1 22:01 (180, 46)
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Brightening well. 14.5 mag visually and 15.5 mag by CCD. It will be at conjunction soon and we cannot see it for a year after that. So now is the chance to observe it. 21P is close.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 20 23.11 -12 44.3 2.490 2.287 66 14.8 22.2 85.7 20:29 ( 96, 30)
Nov. 28 20 34.11 -12 29.4 2.528 2.246 62 14.6 23.9 83.8 20:38 ( 92, 25)
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14.5 mag visually and 16 mag by CCD. Slowly fading.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 0 41.65 13 14.3 1.749 2.551 135 14.8 1.6 320.7 20:40 (180, 42)
Nov. 28 0 41.83 13 25.1 1.817 2.554 128 14.9 2.6 43.0 20:38 (172, 41)
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Not yet observed in this return. Now is the chance but low in the south. It may be much fainter than the ephemeris. It is close by M55 this week.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 19 46.43 -31 19.0 2.610 2.198 54 15.2 29.0 60.8 20:29 ( 72, 32)
Nov. 28 20 0.32 -29 38.1 2.652 2.174 51 15.2 29.9 60.7 20:38 ( 71, 27)
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14.5 mag visually and 15 mag by CCD. It will fade and be lower gradually after this. Southern people cannnot observe it.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 18 47.49 22 50.2 3.251 2.914 61 15.2 22.0 77.0 20:29 (111, -9)
Nov. 28 18 58.54 23 27.0 3.309 2.941 59 15.3 22.8 75.7 20:38 (109,-15)
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No observations have been reported after last spring because it was too close to the sun, but observed on Nov. 15 as 15.3 mag, as bright as the ephemeris. Now is the last chance to observe in the Northern Hemisphere. Northern people cannot observe it in next year.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 10 8.73 -29 42.6 4.941 4.788 75 15.6 14.8 174.0 3:03 (276, 50)
Nov. 28 10 9.21 -31 27.2 4.814 4.746 80 15.5 15.1 179.2 2:57 (276, 55)
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It will be 14.5 mag in next January and February. But it may be fading if it is short periodic comet.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 4 29.90 -9 57.5 1.094 2.003 148 15.7 15.5 309.2 0:32 ( 0, 45)
Nov. 28 4 23.68 -8 33.5 1.031 1.949 150 15.5 20.1 315.2 23:53 ( 0, 47)
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15 mag both visually and by CCD. It will fade soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 23 50.38 24 9.3 1.176 1.929 125 15.7 9.5 69.0 20:29 (170, 30)
Nov. 28 23 55.77 24 33.8 1.244 1.944 120 15.9 12.6 73.2 20:38 (162, 28)
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Fading slowly. 16 mag by CCD. Hard to observe it because it is too low.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Nov. 21 18 1.52 -16 34.7 3.914 3.127 32 15.9 24.5 82.6 20:29 ( 72, 4)
Nov. 28 18 13.42 -16 10.7 3.963 3.132 28 15.9 24.8 81.6 20:38 ( 69, -1)
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