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Image:
1999 Mar. 16
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We can see it in good condition until June. Southern observers cannot see it until May. It became smaller and fainter, about 12 mag, in March by CCD, but visual observers reported it as bright as the ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 7 57.79 78 3.6 1.590 1.914 92 9.8 60.9 176.4 19:40 (180,-23)
Apr. 3 8 5.36 71 7.7 1.653 1.952 91 10.0 58.0 175.0 19:20 (180,-16)
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Only southern people can observe it. Norhtern people can never see it again.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 4 50.76 -66 28.3 8.074 8.019 83 11.6 6.1 23.2 19:26 ( 25, 50)
Apr. 3 4 53.93 -65 50.4 8.127 8.075 83 11.6 6.1 30.7 19:16 ( 27, 49)
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Image:
1998 Dec. 13
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Not observable. It will appear again in September as 13 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 0 58.41 5 59.9 2.680 1.705 9 11.7 42.0 71.8 19:26 ( 89,-13)
Apr. 3 1 17.32 7 31.1 2.675 1.690 7 11.6 42.5 72.3 19:16 ( 90,-13)
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Image:
1999 Mar. 22
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Fading rapidly. I modified the ephemeris to be fainter, but it was 12-13 mag in March by CCD, about 1.5 mag fainter than the new ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 6 56.51 19 43.4 1.769 2.140 97 11.8 21.8 118.2 19:26 (167, 34)
Apr. 3 7 6.41 18 31.9 1.848 2.146 92 12.0 23.1 115.8 19:16 (164, 35)
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Image:
1999 Feb. 6
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Not observable. It will appear again in early May as 10 mag. It was 16 mag by CCD after all...
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 23 29.44 -1 48.5 2.881 1.927 13 12.1 4.6 108.0 4:44 (276, -5)
Apr. 3 23 31.41 -1 59.5 2.774 1.868 20 11.9 4.4 113.2 4:49 (271, 1)
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Image:
1999 Mar. 22
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Fading rapidly. I modified the ephemeris to be fainter, but it was 14 mag in March by CCD, about 2 mag fainter than the new ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 7 50.96 24 1.2 1.252 1.841 109 12.3 25.0 120.8 19:33 (180, 31)
Apr. 3 8 2.22 22 32.2 1.330 1.861 105 12.6 26.1 118.8 19:17 (180, 33)
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Image:
1999 Jan. 16
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Only southern people can observe it. It will appear at dawn as 16 mag in mid June for Norhtern observers. It brightened about 1 mag after perihelion passage.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 22 23.80 -52 15.3 1.454 1.287 59 13.1 15.5 245.0 4:44 (314, 32)
Apr. 3 22 12.13 -53 6.5 1.434 1.386 66 13.4 18.3 243.5 4:49 (314, 39)
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Not yet observed in this return. Now is the chance to observe it for the first time. It will be at the peak in June and reach to 13 mag, but the altitude keeps only about 15 deg for the Northern people until June. It is about to get out of the Milky Way.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 20 3.26 -27 20.0 1.542 1.503 68 13.6 48.5 78.4 4:44 (272, 50)
Apr. 3 20 27.99 -26 2.4 1.492 1.484 69 13.4 48.7 75.7 4:49 (269, 52)
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Image:
1998 Dec. 5
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It locates high in the Southern Hemisphere. It keeps locating at altitude 6 deg until April it 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. 27 8 9.45 -48 38.0 3.664 4.102 109 13.5 10.6 291.0 19:51 ( 0, 76)
Apr. 3 8 3.15 -48 8.8 3.672 4.069 106 13.4 9.2 299.0 19:17 ( 0, 77)
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Image:
1999 Mar. 22
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Fading rapidly. I modified the ephemeris to be fainter, but it was 14-15 mag in March by CCD, about 2 mag fainter than the new ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 7 25.22 41 57.0 2.213 2.583 100 13.5 12.5 263.9 19:26 (176, 13)
Apr. 3 7 18.94 41 45.7 2.423 2.661 92 13.9 8.0 257.1 19:16 (172, 13)
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Image:
1999 Mar. 22
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A small outburst occurred. It was 15.3 mag on Mar. 16
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 15 20.30 -29 16.8 5.493 6.179 129 13.6 3.0 257.8 3:05 (180, 84)
Apr. 3 15 18.49 -29 19.8 5.410 6.177 136 13.6 3.9 266.7 2:36 (180, 84)
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Image:
1998 Dec. 13
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Not observable. It will appear again in late May as 14 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 22 47.93 -21 54.0 5.512 4.711 33 14.1 11.3 105.4 4:44 (287, 15)
Apr. 3 22 53.33 -22 16.5 5.492 4.757 39 14.2 11.0 108.2 4:49 (284, 20)
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Image:
1999 Mar. 22
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It was a bit brighter than the ephemeris visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 4 50.54 -7 12.4 2.047 1.907 67 14.2 36.4 73.6 19:26 (115, 42)
Apr. 3 5 6.70 -6 4.1 2.158 1.971 65 14.6 35.1 74.8 19:16 (116, 41)
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Image:
1999 Feb. 6
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Not observable. Although it appears again in July, 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)
Mar. 27 1 15.44 6 13.1 3.208 2.253 13 14.6 30.6 66.4 19:26 ( 91, -9)
Apr. 3 1 28.47 7 37.0 3.273 2.298 10 14.8 29.8 66.9 19:16 ( 92,-11)
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Not yet observed in this return. Although it is not observable now, we can observe it for a while as 15-16 mag after appearing again at dawn as 15 mag in June. But it should be muyh fainter than the ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 23 58.63 7 4.2 2.966 1.981 7 14.8 36.3 55.0 4:44 (273,-16)
Apr. 3 0 12.66 9 29.8 2.963 1.985 9 14.8 36.3 55.0 4:49 (268,-13)
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Image:
1999 Mar. 22
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It is very diffused and hard to observe.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 20 56.86 14 42.9 2.310 1.868 51 15.2 8.8 293.3 4:44 (240, 15)
Apr. 3 20 52.35 15 8.5 2.266 1.941 58 15.4 11.3 289.6 4:49 (232, 21)
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Image:
1999 Mar. 22
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New comet. Bright and easy to observe. It was 14 mag visually. We can observe it as 16 mag even in 2000.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 6 30.36 7 19.1 3.899 4.055 91 15.5 13.2 35.1 19:26 (154, 44)
Apr. 3 6 34.26 8 32.3 3.999 4.055 86 15.6 13.5 41.5 19:16 (150, 42)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 16 10.03 -17 21.2 8.807 9.374 122 16.0 1.3 309.2 3:54 (180, 72)
Apr. 3 16 9.38 -17 15.2 8.722 9.385 129 16.0 1.9 298.7 3:26 (180, 72)
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Image:
1999 Mar. 22
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It keeps 17 mag until July. It was 14 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 7 8.47 24 52.2 1.613 2.033 99 16.1 19.7 104.6 19:26 (171, 30)
Apr. 3 7 18.89 24 15.3 1.665 2.017 95 16.1 22.2 104.4 19:16 (169, 30)
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Image:
1999 Mar. 22
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In March, it was 14.5 mag visually, 1 mag brighter than the ephemeris. But 16.5 mag by CCD, 1 mag fainter than the ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 5 55.68 32 8.8 1.664 1.837 83 16.1 31.9 74.8 19:26 (156, 18)
Apr. 3 6 12.91 32 59.9 1.750 1.860 80 16.3 32.0 78.4 19:16 (156, 17)
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Appearing at dawn. Last observation is on Sept. 16. It keeps 16 mag until August, locating in good position. We failed to observe it on Mar. 22, it should be fainter than 16.8 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 21 17.41 -1 5.3 4.050 3.435 46 16.4 20.6 59.9 4:44 (256, 21)
Apr. 3 21 25.52 0 7.4 4.011 3.464 50 16.4 19.9 58.3 4:49 (250, 26)
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Image:
1999 Mar. 12
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Appearing at dawn. It was 16.4 mag on Mar. 12, as bright as the ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 22 34.19 43 53.7 4.151 3.559 47 16.6 23.4 56.8 4:44 (229,-19)
Apr. 3 22 46.82 45 22.7 4.194 3.603 48 16.7 22.8 56.0 4:49 (226,-17)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 4 7.30 16 51.1 3.052 2.648 57 16.7 24.9 63.4 19:26 (126, 17)
Apr. 3 4 18.35 18 6.6 3.143 2.667 53 16.7 25.1 65.5 19:16 (126, 15)
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Image:
1999 Mar. 22
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Fading rapidly. It was observed much brighter, about 14 mag, in March visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 7 3.40 30 12.7 1.977 2.333 97 17.0 20.1 115.5 19:26 (170, 24)
Apr. 3 7 13.35 29 12.8 2.100 2.376 93 17.2 20.7 114.1 19:16 (168, 25)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 6 15.74 45 10.9 5.039 5.091 87 17.1 4.6 278.6 19:26 (164, 7)
Apr. 3 6 13.27 45 15.5 5.175 5.105 80 17.1 3.0 282.3 19:16 (161, 6)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 11 38.55 -11 53.1 0.718 1.703 165 17.3 26.9 216.4 23:19 (180, 67)
Apr. 3 11 31.63 -14 13.6 0.751 1.723 159 17.4 22.5 214.6 22:45 (180, 69)
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No observations reported since last May. It appears at dawn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 18 36.23 -19 24.7 2.639 2.778 87 17.5 15.3 79.7 4:44 (240, 64)
Apr. 3 18 43.24 -19 5.1 2.570 2.799 92 17.5 13.5 77.8 4:49 (229, 68)
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Image:
1999 Mar. 22
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It keeps 17 mag until April. It was brighter than 15 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 7 12.82 17 19.3 1.287 1.779 101 17.6 26.4 101.9 19:26 (171, 37)
Apr. 3 7 25.82 16 39.6 1.351 1.786 97 17.7 28.1 102.0 19:16 (169, 38)
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Image:
1999 Jan. 22
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A Centaur asteroid. The perihelion passage is in 2004. It will keep the current brightness over 10 years after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 9 14.10 5 56.4 12.800 13.494 132 17.7 2.0 289.0 20:56 (180, 49)
Apr. 3 9 13.32 6 0.6 12.885 13.490 125 17.7 1.5 291.5 20:27 (180, 49)
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Image:
1999 Mar. 22
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It will be brightening very slowly until late May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 17 2.45 -7 30.1 1.597 2.152 109 18.0 16.7 79.1 4:44 (182, 63)
Apr. 3 17 9.80 -7 6.1 1.487 2.110 114 17.9 15.2 76.1 4:26 (180, 62)
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Not yet been observed in this return, although the perihelion passage in on Apr. 6. Now is the chance to observe it for the first time. It will be 17.5 mag in May and June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 17 33.60 -15 16.1 1.574 2.034 102 18.1 21.4 74.3 4:44 (203, 69)
Apr. 3 17 43.01 -14 32.6 1.505 2.033 106 18.0 19.5 70.3 4:49 (187, 69)
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Image:
1999 Mar. 22
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It was 18.1 mag on Feb. 22, as bright as the ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 16 41.55 23 12.8 5.607 6.049 111 18.1 14.2 336.4 4:26 (180, 32)
Apr. 3 16 38.31 24 43.8 5.553 6.065 116 18.1 14.7 331.6 3:55 (180, 30)
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Image:
1999 Jan. 30
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A Centaur asteroid. The perihelion passage is in 1991. It will keep 18 mag until around 2000.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 14 21.39 13 54.8 13.143 13.983 146 18.3 3.1 305.7 2:06 (180, 41)
Apr. 3 14 20.12 14 6.9 13.126 14.001 150 18.3 3.2 301.0 1:37 (180, 41)
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It will locate higher than 50 deg as 18.5 mag until May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 27 11 22.98 -1 48.0 2.083 3.059 165 18.6 10.9 302.8 23:04 (180, 57)
Apr. 3 11 18.94 -1 7.2 2.094 3.043 157 18.6 9.9 305.4 22:32 (180, 56)
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