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Image:
1999 May 6
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New comet. In the Northern Hemisphere, it will be in the evening sky as 7 mag until mid June. Then it will appear at dawn as 7 mag in late July. After that, it will fade while being higher. It was 10.0 mag by CCD on May 6. It will be close down to 47 arcmin to galaxy NGC 2784 (10.1 mag, 5.1 arcmin) on May 13 at 13h (UT).
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 9 31.34 -36 30.3 0.725 1.400 106 7.8 150.9 335.9 18:38 ( 76, 88)
May 15 9 4.21 -21 14.8 0.781 1.299 91 7.6 126.9 341.1 18:33 (133, 70)
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Image:
1999 Apr. 29
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It was as faint as 14.2 mag on Apr. 29, about 3 mag fainter than the ephemeris by CCD. The current visual magnitude is uncertain. Although it is already higher than 30 deg in the Southern Hemisphere, no other observations except for by the Ageo Survey team have been reported since it appeared at dawn.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 23 36.44 -4 11.6 1.988 1.618 54 10.6 7.4 189.4 5:14 (248, 34)
May 15 23 35.29 -5 11.9 1.788 1.579 61 10.2 10.8 200.9 5:19 (242, 41)
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Image:
1999 May 1
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We can see it in good condition until June. It is very low in the Southern Hemisphere. It was observed as a bit fainter than the ephemeris in April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 8 39.21 43 55.0 2.215 2.184 75 11.1 37.1 163.8 18:38 (169, 10)
May 15 8 45.87 39 58.4 2.357 2.236 70 11.4 33.9 161.1 18:33 (165, 13)
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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)
May 8 2 56.39 14 13.1 2.664 1.657 2 11.4 43.5 77.3 5:14 (264,-16)
May 15 3 16.90 15 15.7 2.666 1.659 4 11.4 43.4 78.8 5:19 (261,-14)
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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)
May 8 5 18.06 -63 31.7 8.381 8.352 84 11.8 6.1 65.2 18:38 ( 33, 42)
May 15 5 24.01 -63 15.9 8.431 8.406 85 11.9 6.2 71.5 18:33 ( 33, 40)
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Image:
1999 May 1
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In the Northern Hemisphere, the altitude will be only about 15 deg until June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 22 20.09 -16 33.5 1.304 1.447 76 13.0 45.1 65.2 5:14 (244, 57)
May 15 22 39.46 -14 18.9 1.276 1.451 77 13.0 43.6 63.7 5:19 (237, 58)
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Image:
1998 Dec. 5
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Only southern people can observe it. 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 8 7 51.99 -45 34.3 3.761 3.911 90 13.3 3.6 21.2 18:38 ( 55, 67)
May 15 7 53.39 -45 13.8 3.781 3.881 88 13.2 3.8 49.1 18:33 ( 58, 63)
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Image:
1999 Apr. 16
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It was very diffused after outburst in mid April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 15 3.68 -28 50.9 5.178 6.169 167 13.5 6.7 285.5 0:03 (180, 84)
May 15 15 0.23 -28 37.2 5.173 6.167 168 13.5 6.8 288.1 23:28 (180, 84)
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Image:
1999 May 1
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It still keeps the brightness as 11-13 mag in April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 8 3.65 12 42.2 2.268 2.205 73 14.2 27.6 111.7 18:38 (150, 37)
May 15 8 15.99 11 30.1 2.354 2.223 70 14.3 28.1 111.7 18:33 (146, 37)
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Image:
1998 Dec. 13
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Only southern people can observe it. It will appear again in late May as 14 mag 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)
May 8 23 16.20 -25 7.1 5.275 4.993 68 14.3 9.7 132.2 5:14 (268, 50)
May 15 23 19.71 -25 55.4 5.216 5.041 74 14.3 9.7 139.0 5:19 (265, 56)
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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. The brightness after late February is unknown.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 20 11.33 -58 38.9 1.271 1.879 110 14.5 44.8 264.0 5:11 ( 0, 66)
May 15 19 28.58 -58 41.7 1.255 1.975 120 14.6 50.2 273.8 4:01 ( 0, 66)
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Image:
1999 May 1
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New comet. Well condensed and easy to take the image.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 18 52.81 49 53.8 3.376 3.617 95 14.5 28.8 317.4 3:52 (180, 5)
May 15 18 37.01 52 15.9 3.321 3.600 97 14.5 30.0 310.4 3:09 (180, 3)
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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)
May 8 1 24.61 21 19.4 2.922 2.027 22 14.9 35.4 56.5 5:14 (245, -2)
May 15 1 39.48 23 34.2 2.909 2.040 25 15.0 35.0 57.0 5:19 (241, 0)
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Image:
1999 Feb. 6
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Mother asteroid of Geminids. Although it will be bright as 10 mag in June at around the perihelion passage, it is too close to the sun and not observable.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 4 12.12 21 1.9 1.768 0.866 17 15.5 36.3 91.3 18:38 (112, -6)
May 15 4 31.24 20 50.8 1.649 0.728 15 15.0 40.4 93.3 18:33 (111, -6)
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Image:
1999 Apr. 14
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It is getting brighter. It was 16 mag in late April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 17 31.38 -4 46.9 1.017 1.907 140 15.4 4.1 37.1 2:30 (180, 60)
May 15 17 31.79 -4 27.5 0.943 1.868 146 15.1 2.3 341.7 2:03 (180, 59)
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Image:
1999 Apr. 30
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It still keeps about 15.5 mag in late April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 20 4.34 17 3.9 1.959 2.315 97 15.8 30.8 272.4 5:03 (180, 38)
May 15 19 48.10 17 6.3 1.902 2.390 106 15.9 35.7 269.0 4:20 (180, 38)
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Image:
1999 Apr. 14
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It was about 16.5 mag in March and April, a bit 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)
May 8 16 2.03 -16 36.9 8.460 9.437 164 15.9 4.2 286.5 1:01 (180, 72)
May 15 16 0.02 -16 28.5 8.446 9.447 171 15.9 4.4 285.8 0:32 (180, 71)
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Image:
1999 Apr. 8
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We failed to catch it on May 1, it should be fainter than 16.0 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 7 16.82 40 45.8 3.428 3.051 60 16.2 4.3 107.7 18:38 (153, 7)
May 15 7 19.72 40 37.3 3.608 3.128 54 16.4 5.4 101.9 18:33 (150, 6)
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Image:
1999 May 1
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It was 15.1 mag on May 1, about 1 mag brighter than the ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 8 24.18 20 1.1 1.946 1.973 76 16.3 30.7 107.3 18:38 (159, 32)
May 15 8 38.91 18 54.3 2.005 1.972 73 16.3 31.8 108.1 18:33 (156, 33)
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First return. Bright and now is the chance to recover. It is already observable in the Southern Hemisphere. Even in the Northern Hemisphere, the comet will be higher after this. It will be brightening slowly and reach to 15 mag in September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 23 45.62 1 46.7 3.058 2.525 49 16.5 26.9 71.8 5:14 (245, 29)
May 15 23 57.48 2 44.6 2.988 2.517 53 16.4 26.5 72.1 5:19 (240, 32)
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Appearing at dawn. Last observation is on Sept. 16, 1998. 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)
May 8 21 58.60 6 10.4 3.769 3.619 73 16.5 15.0 47.8 5:14 (216, 42)
May 15 22 3.50 7 20.1 3.713 3.652 78 16.5 13.9 44.7 5:19 (207, 44)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 9 4.01 15 15.7 1.770 1.991 86 16.7 29.2 115.2 18:38 (169, 39)
May 15 9 16.78 13 48.4 1.866 2.021 83 17.0 29.4 115.1 18:33 (165, 40)
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Image:
1999 Mar. 12
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No observations reported since it appeared at dawn, except for Ageo Survey team's one on Mar. 12 (16.4 mag).
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 23 47.30 52 34.8 4.377 3.831 51 17.0 19.1 51.5 5:14 (209, -9)
May 15 23 58.68 53 57.0 4.405 3.878 52 17.1 18.3 50.4 5:19 (206, -8)
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It was observed for the first time in this return on Apr. 12, but the brightness is unknown. Now is the peak on the brightness.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 18 9.97 -10 5.2 1.221 2.047 132 17.6 8.5 23.0 3:09 (180, 65)
May 15 18 10.75 -9 11.7 1.182 2.054 138 17.6 7.4 359.9 2:42 (180, 64)
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No observations reported since last May, although 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)
May 8 19 2.48 -17 30.7 2.255 2.917 121 17.6 3.0 42.7 4:01 (180, 73)
May 15 19 2.89 -17 16.3 2.206 2.943 128 17.7 1.9 349.4 3:34 (180, 72)
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Image:
1999 Apr. 13
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New comet. It will be faint and low in June.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 13 4.54 -4 43.0 3.868 4.766 149 17.7 14.9 252.2 22:00 (180, 60)
May 15 12 58.22 -5 15.6 3.954 4.788 141 17.8 13.6 249.6 21:26 (180, 60)
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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)
May 8 9 12.80 6 10.3 13.407 13.475 91 17.8 1.0 93.9 18:38 (169, 48)
May 15 9 13.38 6 9.2 13.519 13.471 85 17.8 1.5 98.7 18:33 (161, 47)
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Image:
1999 Mar. 22
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It is nearly 19 mag, a bit 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)
May 8 16 12.48 31 28.6 5.467 6.145 128 18.1 15.0 308.8 1:12 (180, 24)
May 15 16 5.92 32 30.3 5.490 6.162 127 18.1 14.6 304.3 0:38 (180, 23)
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New comet. The perihelion passage is in 2002. But because it will go to the Southern Sky, only until mid June the comet will be higher than 40 deg.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 12 58.80 -8 18.4 8.136 9.022 149 18.1 7.0 270.6 21:54 (180, 63)
May 15 12 55.60 -8 18.4 8.168 8.988 142 18.1 6.5 269.3 21:24 (180, 63)
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Image:
1999 Mar. 22
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It is already very faint, 17.9 mag in early April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
May 8 7 42.97 34 6.5 2.195 1.996 65 18.2 32.1 93.6 18:38 (155, 16)
May 15 8 0.90 33 46.8 2.285 2.027 62 18.4 31.9 96.1 18:33 (154, 16)
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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)
May 8 14 12.85 14 45.6 13.243 14.094 146 18.4 3.0 278.8 23:08 (180, 40)
May 15 14 11.44 14 47.8 13.304 14.113 141 18.4 2.8 273.6 22:39 (180, 40)
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