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Image:
1999 Jan. 17
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Appearing in the morning sky. We can see it in good condition until June. Southern observers cannot see it.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 19 5.52 46 16.7 1.856 1.746 68 9.8 25.1 15.7 5:38 (230, 26)
Jan. 23 19 10.29 49 21.2 1.801 1.742 70 9.7 29.5 13.4 5:36 (229, 31)
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Image:
1999 Jan. 17
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It will be bright in good condition until late February. But then it fades and becomes low rapidly after that.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 12 8.22 7 14.9 1.128 1.794 116 9.8 77.8 318.1 4:29 ( 0, 62)
Jan. 23 11 40.47 14 27.8 1.065 1.871 131 9.9 91.5 315.3 3:34 ( 0, 69)
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Image:
1999 Jan. 13
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Rapidly brightening and easy to see now. We can see it as around 10.0 mag in good condition until May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 6 25.94 34 47.0 1.252 2.192 157 10.1 16.1 212.1 22:43 ( 0, 90)
Jan. 23 6 21.78 33 8.6 1.266 2.178 150 10.1 15.6 203.0 22:11 ( 0, 88)
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Image:
1999 Jan. 16
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It was a bit fainter than the ephemeris. It will fade and become hard to see visually next month.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 1 17.61 -22 21.5 1.121 1.288 75 10.5 58.8 80.5 18:40 ( 17, 31)
Jan. 23 1 45.72 -21 3.7 1.192 1.344 75 10.9 55.4 77.5 18:46 ( 19, 32)
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Image:
1999 Jan. 13
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It keeps the good condition until March. It is still brightenning. It is low for Southern people.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 7 9.56 39 12.6 0.803 1.760 159 10.6 11.3 217.2 23:26 (180, 86)
Jan. 23 7 6.00 38 1.9 0.812 1.757 155 10.6 12.1 203.7 22:55 (180, 87)
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Image:
1999 Jan. 16
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A new comet. Extremely low in the southwest at dusk for the Northern observers. Northern people cannot see it again after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 23 40.84 -32 52.7 0.671 0.781 52 11.1 68.3 174.6 18:40 ( 34, 12)
Jan. 23 23 41.72 -39 16.8 0.829 0.745 47 11.3 44.2 183.6 18:46 ( 35, 3)
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Because the nuclear magnitude brightened 3 mag in mid December, visual observers recently reported it as bright as 10.0 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 5 23.08 -73 14.0 7.513 7.451 82 11.1 7.7 297.1 21:40 ( 0,-18)
Jan. 23 5 12.78 -72 45.7 7.572 7.509 82 11.2 7.5 306.8 21:02 ( 0,-18)
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Image:
1999 Jan. 16
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Hard to observe because it is very low now. It will appear again at dawn as 13.5 mag in late March. Southern observers cannot see it.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 21 8.17 15 14.5 1.863 1.295 41 11.2 7.3 193.4 18:40 ( 96, 18)
Jan. 23 21 7.55 14 32.4 1.992 1.330 36 11.4 5.1 190.7 18:46 (100, 11)
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Image:
1998 Dec. 13
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We will miss it after next month. 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)
Jan. 16 22 8.26 -7 47.5 2.686 1.976 35 13.3 33.4 74.7 18:40 ( 68, 17)
Jan. 23 22 23.64 -6 42.6 2.694 1.942 32 13.2 34.5 73.8 18:46 ( 71, 14)
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Image:
1999 Jan. 10
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It was a bit brighter in December, about 11-12 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 22 46.03 -10 50.4 2.393 1.811 43 13.3 40.1 66.2 18:40 ( 59, 22)
Jan. 23 23 3.14 -8 57.2 2.480 1.853 40 13.7 39.0 65.7 18:46 ( 63, 20)
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Image:
1999 Jan. 16
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Although brightening as 13.5-14.0 mag visually, it seems fading around 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)
Jan. 16 23 17.77 0 49.3 3.018 2.588 55 13.5 5.8 206.1 18:40 ( 62, 35)
Jan. 23 23 16.98 0 16.6 3.071 2.519 47 13.4 4.3 191.8 18:46 ( 68, 28)
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Image:
1998 Dec. 13
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Not observable. We have another chance in July, but only 15 deg altitude as 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 21 47.80 -19 27.9 5.103 4.257 27 13.5 12.4 100.8 18:40 ( 62, 5)
Jan. 23 21 53.87 -19 43.3 5.196 4.301 22 13.6 12.5 99.6 18:46 ( 66, 0)
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Image:
1999 Jan. 12
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It has been as bright as 13 mag both visually and by CCD since perihelion passage. It will keep the brightness for a bit more. Very low for the Southern people.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 6 8.95 43 1.9 1.028 1.941 149 13.9 12.9 192.7 22:26 (180, 82)
Jan. 23 6 8.08 41 32.6 1.089 1.975 144 14.1 12.9 179.4 21:58 (180, 84)
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Image:
1999 Jan. 4
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It was so faint as 17.5 mag on Jan. 4. Although it keeps lower than 27 deg for Northern people in 1999.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 15 8.00 -26 47.4 6.566 6.195 63 14.0 7.7 114.6 5:38 (333, 23)
Jan. 23 15 11.49 -27 9.4 6.461 6.194 69 14.0 7.0 116.1 5:36 (339, 25)
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Image:
1998 Dec. 5
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It locates high in the Southern Hemisphere. Now is the last chance to observe in the Northern Hemisphere. Northern people cannot observe it in next year. It is rather bright as 13-14 mag visually now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 9 46.14 -43 38.9 4.034 4.467 109 14.2 17.3 221.0 2:07 ( 0, 11)
Jan. 23 9 38.22 -45 5.5 3.952 4.428 112 14.1 17.4 227.6 1:32 ( 0, 10)
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Image:
1999 Jan. 10
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Bright as around 14.0 mag visually, around 15.0 mag by CCD. The brightness is at peak now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 4 2.51 10 57.1 0.964 1.726 124 14.5 27.7 13.6 20:20 ( 0, 66)
Jan. 23 4 6.64 14 1.5 1.014 1.727 119 14.6 27.8 22.6 19:57 ( 0, 69)
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Not yet observed in this return. It may be much fainter than the ephemeris. It is too low to observe.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 21 39.21 -16 12.2 2.876 2.042 26 14.9 34.3 57.9 18:40 ( 66, 6)
Jan. 23 21 53.28 -14 2.9 2.896 2.028 23 14.9 34.7 57.4 18:46 ( 70, 4)
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Only observable in the Southern Hemisphere. No observations reported recently. It was faint as 14-16 mag between August and October.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 23 21.55 -61 30.2 3.232 2.775 54 15.0 31.3 52.0 18:40 ( 20,-13)
Jan. 23 23 44.30 -59 11.1 3.283 2.817 53 15.1 31.1 49.8 18:46 ( 23,-12)
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Not yet observed in this return. The ephemeris says it will be bright as 15 mag, so CCD observers may catch it soon. 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.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 16 6.55 -26 12.3 2.281 1.829 50 15.4 39.9 103.8 5:38 (321, 17)
Jan. 23 16 27.16 -27 14.3 2.192 1.788 53 15.2 40.9 101.8 5:36 (323, 17)
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Image:
1999 Jan. 10
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A new comet. The current brightness and condition will keep until early April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 2 47.29 0 14.7 2.112 2.530 103 15.7 18.6 27.5 19:05 ( 0, 55)
Jan. 23 2 51.80 2 9.3 2.199 2.537 98 15.8 19.5 33.5 18:46 ( 2, 57)
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Image:
1998 Dec. 12
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14 mag visually, but 16 mag by CCD. Slowly fading although the location will be good for a while.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 1 15.15 16 54.3 2.436 2.600 88 15.7 17.5 68.8 18:40 ( 44, 67)
Jan. 23 1 23.46 17 40.0 2.533 2.610 83 15.8 18.9 69.1 18:46 ( 56, 63)
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Image:
1998 Dec. 12
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14.5 mag visually and 15 mag by CCD, but low in the evening sky. It will appear at dawn after February and we can trace it while fading gradually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 20 24.23 29 56.7 3.674 3.160 51 15.8 26.1 66.9 18:40 (115, 17)
Jan. 23 20 37.19 31 9.8 3.724 3.196 50 15.9 26.1 65.7 18:46 (118, 14)
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Image:
1998 Dec. 24
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Brightened rapidly. It will be around 16 mag for a while after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 6 21.07 23 57.8 0.877 1.831 159 16.1 10.2 228.0 22:38 ( 0, 79)
Jan. 23 6 17.97 23 9.9 0.889 1.816 151 15.9 8.1 213.1 22:08 ( 0, 78)
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Beginning to be observable.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 15 57.50 -17 27.3 9.809 9.274 54 16.2 5.8 96.9 5:38 (317, 25)
Jan. 23 16 0.17 -17 31.6 9.720 9.284 61 16.2 5.2 95.8 5:36 (323, 28)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 6 50.20 28 27.4 1.338 2.302 164 16.4 10.2 266.6 23:07 ( 0, 83)
Jan. 23 6 45.15 28 20.6 1.329 2.268 156 16.2 8.8 261.5 22:34 ( 0, 83)
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Image:
1999 Jan. 5
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It will keep the current brightness until early April. One reported it as 14.9 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 7 41.14 40 30.1 4.044 4.981 160 16.5 21.8 297.6 0:03 (180, 85)
Jan. 23 7 29.21 41 35.4 4.078 4.991 155 16.5 21.0 294.4 23:18 (180, 83)
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It is getting brighter now, so CCD observers will catch it soon. It should be 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)
Jan. 16 15 24.24 -7 22.8 2.818 2.568 65 16.8 23.2 98.5 5:38 (319, 38)
Jan. 23 15 35.02 -7 44.6 2.695 2.527 69 16.7 23.0 97.0 5:36 (323, 40)
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Image:
1999 Jan. 16
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Fading now. It will be only 6.0 arcmin from P/1998 VS24 on Jan. 16.9 (UT).
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 2 38.85 9 34.7 2.447 2.861 104 16.9 9.8 70.2 18:57 ( 0, 65)
Jan. 23 2 43.53 9 59.3 2.623 2.942 98 17.1 11.1 70.6 18:46 ( 7, 65)
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Image:
1999 Jan. 10
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A new comet. It will fade out very soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 6 53.39 33 37.3 0.909 1.870 162 17.0 26.7 351.2 23:10 ( 0, 89)
Jan. 23 6 51.67 36 26.5 0.967 1.903 154 17.2 22.0 355.2 22:41 (180, 88)
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Mother asteroid of Geminids. CCD observers will be able to catch it because it is stellar in a good position.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 1 41.53 23 9.1 1.712 2.067 96 17.3 9.4 173.5 18:40 ( 39, 75)
Jan. 23 1 42.92 22 10.5 1.779 2.024 89 17.4 8.6 149.5 18:46 ( 56, 70)
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Image:
1999 Jan. 4
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Appearing at dawn now, but it is very faint now. It will keep the brightness for a long time after this, but it keeps very low for the Northern people.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 14 38.60 -23 27.3 3.832 3.634 71 17.5 15.6 138.7 5:38 (339, 29)
Jan. 23 14 43.55 -24 48.9 3.755 3.656 76 17.5 14.7 142.1 5:36 (345, 29)
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Image:
1998 Dec. 19
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It is around the aphelion now. The recent magnitude is 18-19 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 3 11.65 15 47.7 3.693 4.196 114 17.6 1.4 3.8 19:29 ( 0, 71)
Jan. 23 3 12.11 15 58.9 3.786 4.187 107 17.6 2.5 44.7 19:02 ( 0, 71)
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A Centaur asteroid. CCD observers will be able to catch it because it is stellar in a good position.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 9 28.53 5 14.6 12.656 13.526 151 17.7 3.1 272.5 1:49 ( 0, 60)
Jan. 23 9 27.04 5 16.1 12.604 13.523 158 17.7 3.3 275.0 1:20 ( 0, 60)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 2 55.01 14 22.5 4.059 4.493 110 17.7 1.7 8.5 19:13 ( 0, 69)
Jan. 23 2 55.51 14 35.6 4.176 4.503 103 17.7 2.8 41.3 18:46 ( 0, 70)
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It was brighter than the ephemeris, 16.5 mag in November, 17 mag in December.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 0 27.91 -5 13.9 4.615 4.362 69 18.1 11.0 56.0 18:40 ( 40, 42)
Jan. 23 0 32.40 -4 30.0 4.725 4.372 63 18.2 11.9 57.5 18:46 ( 48, 38)
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No observations reported recently. Maybe much 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)
Jan. 16 11 49.26 -4 55.3 2.677 3.229 115 18.3 3.5 126.6 4:10 ( 0, 50)
Jan. 23 11 50.12 -5 6.8 2.572 3.211 122 18.2 1.4 144.0 3:43 ( 0, 50)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 2 4.10 15 25.1 1.780 2.161 98 18.3 21.4 72.4 18:40 ( 13, 70)
Jan. 23 2 14.32 16 11.1 1.876 2.182 94 18.4 22.7 72.8 18:46 ( 29, 69)
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A Centaur asteroid. Although it is rather lower, CCD observers will be able to catch it because it is stellar.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 14 23.45 11 49.0 13.821 13.796 86 18.4 2.3 58.6 5:38 (323, 62)
Jan. 23 14 24.26 11 58.1 13.731 13.815 92 18.4 2.0 46.5 5:36 (336, 65)
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Extremely faint, but it is stellar.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 14 26.79 3 54.1 2.278 2.365 82 18.5 16.2 79.9 5:38 (329, 55)
Jan. 23 14 33.71 4 18.1 2.238 2.414 88 18.6 14.2 73.6 5:36 (337, 57)
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About 19.0 mag recently, a bit fainter the ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 3 45.20 33 9.1 7.358 7.964 125 18.5 3.6 222.1 20:03 ( 0, 88)
Jan. 23 3 44.12 32 51.1 7.511 8.019 117 18.6 2.9 210.7 19:34 ( 0, 88)
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Image:
1998 Dec. 26
|
A new comet. But so faint and fading after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 9 54.53 14 20.4 1.625 2.523 149 18.6 8.7 289.0 2:15 ( 0, 69)
Jan. 23 9 50.11 14 42.0 1.628 2.566 157 18.6 10.5 288.3 1:43 ( 0, 70)
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Image:
1998 Dec. 11
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Recovered after 59 years since 1939. Fading gradually after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 3 19.93 18 7.9 2.871 3.430 116 18.6 2.6 84.8 19:38 ( 0, 73)
Jan. 23 3 21.69 18 11.4 2.968 3.435 110 18.7 4.6 80.4 19:12 ( 0, 73)
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Extremely faint. Gradually fading after this. It will be only 6.0 arcmin from C/1998 K5 on Jan. 16.9 (UT).
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Jan. 16 2 39.06 9 40.8 3.030 3.418 104 18.7 6.3 60.2 18:57 ( 0, 65)
Jan. 23 2 42.09 10 4.7 3.132 3.421 98 18.8 8.1 63.2 18:46 ( 8, 65)
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