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Image:
2000 Feb. 12
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It will be 4 mag in 2000 July. In the Northern Hemisphere, it keeps observable until early August. In the Southern Hemisphere, it locates very low between late May and mid June, however, it locates high after late July. It was 11.6 mag visually on May 15.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 2 0.77 30 19.5 2.295 1.459 26 10.4 9.6 29.9 3:13 (237, 7)
May 27 2 3.69 31 24.2 2.113 1.353 31 9.9 11.8 30.1 3:06 (239, 11)
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It is expected to be bright as 7 mag in late 2000. Northern people cannot observe it until December. No observations reported since it was observed visually as 14.4 mag on Mar. 9.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 3 17.23 -31 17.4 3.626 3.104 51 12.7 22.5 91.9 3:13 (282,-43)
May 27 3 29.83 -31 25.5 3.511 3.027 53 12.5 23.7 94.0 3:06 (283,-41)
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Image:
1998 Dec. 5
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Only southern people can observe it. Recently it was observed as 12 mag. It will appear again in 2000 August as 13 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 22 58.31 -49 26.5 3.578 3.792 94 13.0 1.2 306.9 3:13 (326, -9)
May 27 22 56.99 -49 24.1 3.515 3.819 99 13.0 2.8 269.4 3:06 (328, -7)
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Image:
1999 June 12
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The altitude will be 23 deg at best in the Northern Hemisphere. Now it is not in outburst.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 17 6.91 -32 19.7 5.109 6.062 158 13.4 6.1 273.5 1:16 ( 0, 23)
May 27 17 3.42 -32 16.1 5.076 6.060 164 13.4 6.5 275.9 0:45 ( 0, 23)
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Image:
1999 July 31
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It is only observable in the Southern Hemisphere until the end of 2001.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 23 57.55 -67 57.0 2.997 3.284 97 13.5 30.2 128.4 3:13 (336,-26)
May 27 0 29.44 -70 2.9 2.950 3.276 99 13.5 30.5 125.1 3:06 (338,-28)
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Only southern people can observe it. Northern 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)
May 20 5 16.75 -69 24.9 11.057 11.117 90 13.7 4.9 76.6 20:40 ( 25,-39)
May 27 5 23.09 -69 18.6 11.094 11.165 91 13.7 4.9 82.4 20:47 ( 25,-42)
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Image:
1999 Dec. 30
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Because it is far away, it keeps 14 mag until late 2000. It is lower than 15 deg in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 0 53.75 14 2.4 4.903 4.206 42 14.2 14.9 89.1 3:13 (260, 10)
May 27 1 0.81 14 2.7 4.835 4.209 47 14.2 14.4 90.6 3:06 (262, 13)
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Image:
2000 Jan. 8
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It will be 13 mag at good position in 2000 September. It was reported as 13.5 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 22 40.85 45 43.1 3.824 3.549 66 14.4 19.8 346.0 3:13 (238, 48)
May 27 22 36.80 48 0.6 3.712 3.515 71 14.3 21.3 340.6 3:06 (235, 53)
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Not observable at all in this return.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 3 49.77 24 35.1 2.389 1.383 4 14.6 51.4 79.1 20:40 (135,-14)
May 27 4 15.64 25 33.7 2.415 1.407 4 14.9 50.4 81.6 3:06 (224,-15)
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Very low in the morning sky. It was fainter than 12.0 mag on Feb. 11 by KenIchi Kadota, Ageo.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 23 40.72 -12 25.8 2.125 1.999 68 14.7 24.8 75.5 3:13 (292, 9)
May 27 23 51.76 -11 45.1 2.093 2.039 72 14.8 22.9 76.4 3:06 (294, 12)
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Image:
2000 Jan. 28
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It will be observable as 15 mag with a good condition.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 15 53.64 37 43.3 6.524 7.116 122 15.1 10.4 251.0 0:03 (180, 87)
May 27 15 47.87 37 15.9 6.542 7.118 121 15.1 10.7 245.5 23:25 (180, 88)
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It will be 14 mag from August to November. But the altitude keeps lower than 20 deg until late August. It was observed as about 16 mag on May 3.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 20 43.24 -34 12.8 2.219 2.791 114 15.5 8.2 106.4 3:13 (339, 17)
May 27 20 47.11 -34 30.7 2.119 2.767 119 15.4 6.5 116.0 3:06 (342, 18)
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Image:
2000 Feb. 17
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It will fade out gradually after this, but it can be observed as 17.5 mag in 2001 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 10 51.61 34 34.4 4.158 4.296 90 15.7 14.3 215.6 20:40 ( 96, 69)
May 27 10 47.53 33 13.1 4.308 4.332 84 15.8 13.1 208.4 20:47 ( 97, 61)
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New comet with a period of 5.4 years. It must be 12 mag and moving fast in March, when it was 0.1 AU from the earth. Although it was fading out rapidly in April, reported as 16.8 mag in Apr. 23, it was bright as 15.5 mag in May. No observations reported since May 8.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 17 33.04 5 1.8 0.432 1.385 144 16.3 20.7 271.4 1:42 ( 0, 60)
May 27 17 23.51 4 51.4 0.479 1.445 149 16.7 20.1 260.4 1:05 ( 0, 60)
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Image:
1999 June 12
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It keeps over 30 deg high until end of August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 16 58.20 -17 16.5 9.079 10.052 163 16.3 4.0 281.1 1:07 ( 0, 38)
May 27 16 56.24 -17 11.2 9.066 10.065 169 16.3 4.2 280.1 0:38 ( 0, 38)
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Recovered by LINEAR. It keeps 17 mag for a while, however, it will be lower. It may be fainter than this ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 11 25.41 -1 25.2 1.990 2.564 113 17.1 8.4 95.0 20:40 ( 27, 50)
May 27 11 29.83 -1 33.9 2.063 2.559 107 17.2 10.7 99.4 20:47 ( 38, 47)
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Image:
1999 May 31
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Fading gradually. It keeps 17-18 mag at good position until October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 20 33.57 30 60.0 5.886 6.054 94 17.2 12.3 340.8 3:13 (276, 71)
May 27 20 31.04 32 19.6 5.837 6.078 98 17.2 12.3 335.0 3:06 (277, 76)
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Image:
2000 Feb. 11
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It was in fact a bit brighter than this ephemeris. It will be close down to 25 arcmin to C/2000 G2 ( LINEAR ) at 14h UT on May 23.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 12 0.12 9 13.9 1.491 2.146 116 17.2 12.3 124.7 20:40 ( 19, 63)
May 27 12 5.39 8 21.4 1.567 2.157 111 17.3 14.6 123.2 20:47 ( 32, 60)
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It keeps 17 mag at good position until August. It was bright as 16.4 mag on Apr. 15.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 17 24.21 4 36.2 4.638 5.505 145 17.2 19.6 281.0 1:34 ( 0, 60)
May 27 17 15.03 5 0.1 4.604 5.505 150 17.2 20.2 278.8 0:57 ( 0, 60)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 10 12.56 37 25.1 5.261 5.227 82 17.3 5.9 117.4 20:40 (105, 61)
May 27 10 15.87 37 5.1 5.390 5.259 77 17.4 6.8 116.2 20:47 (106, 55)
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Image:
1999 June 30
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It keeps the good condition until autumn. It will fade out gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 17 22.81 29 9.9 6.120 6.762 125 17.5 7.2 314.8 1:32 ( 0, 84)
May 27 17 19.97 29 42.2 6.143 6.798 126 17.6 6.9 307.4 1:02 ( 0, 85)
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It is not observable around the perihelion passage. In July when it will be lower than 20 deg, it reaches only to 16.5 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 10 34.79 19 11.9 2.040 2.336 93 17.7 11.8 136.3 20:40 ( 67, 59)
May 27 10 39.39 18 9.3 2.087 2.297 88 17.5 14.1 131.6 20:47 ( 73, 53)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 20 10 58.65 1 30.7 3.870 4.260 105 17.6 8.6 308.0 20:40 ( 39, 50)
May 27 10 55.99 2 3.9 4.061 4.327 98 17.8 6.3 312.1 20:47 ( 51, 45)
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