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The return of comet in 1661 with 340 year period. Long tail over 3 degree is visible. It comes to locate in the morning sky after April.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 1 12.51 34 4.5 0.628 0.571 31 3.6 89.2 336.2 19:21 (115,-27)
Apr. 6 0 43.39 43 31.2 0.538 0.660 37 3.8 99.9 323.4 4:52 (237,-33)
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New comet. It will be 6.5 mag in late April. In the Northern Hemisphere, it is observable only until mid April being very low in the morning sky. After the perihelion passage, it will be observable in the Southern Hemisphere, but it locates very low in the evening sky. It will locate high after August, but will be fainter than 15 mag at that time.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 22 35.93 15 51.9 1.370 0.734 31 8.8 103.9 52.5 4:46 (252, -1)
Apr. 6 23 23.23 23 25.7 1.258 0.612 28 7.9 126.8 59.2 4:52 (247, -8)
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It brightened rapidly and reached to 10 mag in February. Then it keeps 10 mag, the brightening is a bit slower. It is observable all through a night 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. 30 21 50.69 68 9.1 0.747 1.024 70 9.0 96.8 6.3 4:46 (203,-25)
Apr. 6 22 29.61 81 17.5 0.638 1.057 76 8.8 133.4 14.7 4:52 (190,-31)
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It suddenly bursted out in late January and reached to 2.5 mag. Then it is fading rapidly, and now it is 8.5 mag. But it still has a long tail about 30 arcmin.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 19 13.61 0 34.6 1.239 1.449 79 9.2 49.0 347.0 4:46 (225, 45)
Apr. 6 19 7.54 6 6.3 1.246 1.559 87 9.7 49.2 342.3 4:52 (209, 45)
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New comet. It will move northwards after this. It keeps observable until it fades out in the Northerm Hemisphere. It keeps brighter than 12 mag until May. It will approach to C/2002 C1 ( Ikeya-Zhang ) around May 1.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 19 13.49 19 33.3 1.388 1.553 79 10.1 73.8 9.3 4:46 (212, 29)
Apr. 6 19 18.89 28 11.5 1.368 1.588 82 10.2 75.4 6.9 4:52 (202, 23)
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The condition in this return is bad. It is not observable until June in the Southern Hemisphere, until August 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. 30 0 16.33 -6 8.1 2.459 1.489 10 12.5 46.9 75.0 4:46 (284, -9)
Apr. 6 0 37.26 -4 43.8 2.485 1.522 12 12.3 45.6 74.9 4:52 (281, -7)
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It will be observable at 13 mag until September.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 0 5.88 63 19.5 3.950 3.556 59 12.9 16.9 33.4 4:46 (213,-36)
Apr. 6 0 16.02 65 1.7 3.958 3.551 59 12.9 17.9 32.3 4:52 (210,-34)
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Takuo Kojima reported that it was in outburst at 14.4 mag on Mar. 28.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 20 51.11 -19 26.7 6.296 5.849 59 13.7 8.8 71.7 4:46 (267, 40)
Apr. 6 20 55.07 -19 7.9 6.196 5.847 65 13.7 8.1 71.2 4:52 (261, 46)
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Fading now. It is observable in good condition until to fade out.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 11 48.67 51 42.1 1.741 2.442 123 14.4 14.4 229.7 23:16 (180, 3)
Apr. 6 11 41.30 50 28.6 1.827 2.492 120 14.7 14.5 217.3 22:42 (180, 5)
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It bursted out in early February and reached to 13.5 mag. Then it did not become so fainter. It must be brighter than this ephemeris. But the condition is worst. It always locates very low in the evening sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 2 20.24 14 43.8 2.035 1.252 28 14.5 58.6 69.0 19:21 (106, -3)
Apr. 6 2 46.38 17 1.3 2.097 1.306 28 14.8 56.0 70.7 19:12 (109, -2)
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It was as faint as 16.5 mag in mid March. It may reach only to 13.5 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 18 27.95 1 2.2 0.928 1.379 91 15.1 51.7 98.6 4:46 (209, 50)
Apr. 6 18 52.17 0 3.2 0.873 1.347 91 14.8 53.5 99.9 4:52 (206, 52)
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Getting higher in the morning sky. It will be 13 mag in June and July.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 20 34.50 16 6.1 3.428 3.053 59 15.0 5.6 336.0 4:46 (232, 20)
Apr. 6 20 32.90 16 43.9 3.289 3.019 65 14.9 7.1 322.3 4:52 (224, 25)
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It is observable until autumn at 15 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 9 58.20 73 38.0 4.801 5.056 99 14.9 9.8 192.8 21:27 (180,-19)
Apr. 6 9 55.62 72 27.9 4.866 5.069 95 15.0 10.5 185.7 20:57 (180,-17)
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It will be observable at 15 mag until August when it becomes low in the evening sky. It is already brighter than 15.0 mag even by CCD, and observed visually these days.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 11 12.59 20 20.1 2.435 3.330 148 15.0 9.6 279.2 22:41 (180, 35)
Apr. 6 11 8.19 20 26.7 2.464 3.309 141 15.0 8.1 272.3 22:09 (180, 35)
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It will be 11 mag in 2003 February.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 10 24.34 -8 18.5 4.380 5.250 147 15.2 18.6 294.5 21:52 (180, 63)
Apr. 6 10 16.63 -7 24.2 4.396 5.200 139 15.2 17.6 296.2 21:17 (180, 62)
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Fading rapidly after February. It will be fainter than 16 mag in May when it becomes low.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 4 29.96 15 10.0 2.202 1.898 59 15.2 37.6 73.1 19:21 (127, 21)
Apr. 6 4 47.16 16 20.5 2.316 1.954 56 15.4 36.2 75.0 19:12 (128, 20)
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It will be 15 mag in spring and summer.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 17 9.35 2 43.3 4.951 5.386 110 15.3 11.5 358.1 4:41 (180, 52)
Apr. 6 17 8.85 4 4.7 4.847 5.372 116 15.2 11.9 351.6 4:13 (180, 51)
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It appears at dawn in the Southern Hemisphere. It was reported as 14.7 mag on Mar. 14, but uncertain. 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)
Mar. 30 21 40.03 -51 31.6 1.956 1.803 66 15.3 41.3 152.6 4:46 (311, 41)
Apr. 6 21 55.37 -55 56.1 1.918 1.882 72 15.5 43.7 153.3 4:52 (317, 44)
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It will be 10.5 mag in 2003 spring.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 5 52.29 27 1.0 2.935 2.918 79 15.5 13.2 93.4 19:21 (151, 22)
Apr. 6 5 59.63 26 55.1 3.004 2.892 73 15.4 14.8 93.5 19:12 (149, 21)
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Asteroid with a cometary orbit of 6.8 year period. Fading now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 10 11.35 29 18.9 0.782 1.633 132 15.4 21.2 142.6 21:41 (180, 26)
Apr. 6 10 18.60 27 19.2 0.850 1.669 128 15.7 22.5 140.0 21:20 (180, 28)
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The condition in this return is bad. We can observe it only until August before perihelion passage when it becomes to 13 mag in the evening sky.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 11 58.47 7 6.0 1.786 2.766 166 15.8 14.7 296.1 23:26 (180, 48)
Apr. 6 11 52.35 7 48.9 1.770 2.725 158 15.7 13.9 294.4 22:53 (180, 47)
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It will reach to 13 mag at the end of this year. In the northern hemisphere, it keeps low in the south after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 16 3.68 -36 59.3 2.662 3.296 121 16.0 6.3 176.5 3:35 ( 0, 88)
Apr. 6 16 3.30 -37 42.2 2.530 3.241 127 15.8 6.2 195.9 3:07 ( 0, 87)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 10 40.75 29 2.1 1.708 2.537 137 15.9 14.6 229.5 22:09 (180, 26)
Apr. 6 10 35.52 27 50.0 1.743 2.519 131 15.9 14.0 217.8 21:36 (180, 27)
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It keeps brighter than 17 mag until August.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 16 0.72 -16 46.1 3.146 3.837 127 16.2 1.9 276.3 3:32 (180, 72)
Apr. 6 15 59.37 -16 43.7 3.075 3.845 134 16.1 3.7 277.3 3:04 (180, 72)
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It bursted out and reached to 15 mag in early January. It did not become so fainter after that. It must be brighter than this ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 8 34.85 24 59.1 1.510 2.139 115 16.2 13.5 103.7 20:04 (180, 30)
Apr. 6 8 42.11 24 33.4 1.602 2.164 110 16.4 15.6 105.2 19:44 (180, 30)
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Fading. It will be about 18 mag in June when it becomes low in the evening.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 12 31.72 -13 27.4 4.467 5.454 170 16.6 16.4 273.6 0:04 (180, 68)
Apr. 6 12 23.97 -13 19.0 4.517 5.502 168 16.7 15.9 274.9 23:24 (180, 68)
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Fading very slowly. It was brighter than the ephemeris recently, reported around 16 mag.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 9 23.79 15 17.9 6.085 6.763 129 16.7 10.3 300.8 20:52 (180, 40)
Apr. 6 9 19.78 15 53.0 6.219 6.794 121 16.7 9.0 301.9 20:21 (180, 39)
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It will be getting fainter and lower after this.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 6 37.61 -1 46.4 5.036 5.154 91 16.9 10.8 33.0 19:21 (148, 52)
Apr. 6 6 40.61 -0 44.8 5.133 5.153 85 17.0 11.1 39.2 19:12 (144, 50)
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It keeps 17 mag locating at the same altitude until October in the Northerm Hemisphere.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 18 37.08 -16 52.1 11.272 11.319 90 17.2 1.7 64.4 4:46 (231, 64)
Apr. 6 18 37.69 -16 47.0 11.169 11.332 96 17.1 1.2 53.0 4:52 (214, 69)
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Moving northwards gradually. But it will be fainter than 18 mag in May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 9 20.96 -19 22.1 3.119 3.843 130 17.3 29.0 303.3 20:49 (180, 74)
Apr. 6 9 9.81 -17 31.0 3.205 3.843 123 17.4 26.3 306.7 20:10 (180, 72)
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New periodic comet. Now it is at the peak, and it will fade out soon.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 12 32.27 -17 48.6 0.873 1.858 165 17.4 17.4 235.1 0:05 (180, 73)
Apr. 6 12 25.36 -18 51.7 0.883 1.867 165 17.4 15.8 239.3 23:26 (180, 74)
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Already passed the peak and fading now.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Mar. 30 8 53.25 20 26.2 2.799 3.421 120 17.4 1.0 98.6 20:22 (180, 35)
Apr. 6 8 54.20 20 23.0 2.888 3.423 114 17.5 3.0 104.8 19:56 (180, 35)
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