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Image:
1999 Mar. 31
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We can see it in good condition until June. Southern observers cannot see it until May. It was observed as a bit fainter than the ephemeris in April. It will close down to 0.14 deg to galaxy NGC 2549 (11.1 mag, 4.2 arcmin) on Apr. 18 at 0h (UT).
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 8 19.10 58 37.9 1.836 2.038 86 10.4 49.5 171.2 20:02 (156, 63)
Apr. 24 8 25.83 53 11.9 1.952 2.084 83 10.6 45.0 168.9 20:10 (141, 63)
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Image:
1999 Feb. 6
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It is appearing at dawn in the Southern Hemisphere. But still not observable in the Northern Hemisphere, it will appear again in early May as 10 mag. It was 16 mag by CCD after all until February...
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 23 34.76 -2 31.3 2.507 1.758 33 11.4 4.2 135.1 3:57 (272, -1)
Apr. 24 23 35.92 -2 55.3 2.349 1.707 40 11.2 4.4 153.6 3:47 (275, 2)
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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)
Apr. 17 1 56.11 10 25.8 2.667 1.668 4 11.5 43.2 73.9 20:02 (114,-15)
Apr. 24 2 15.96 11 47.3 2.665 1.661 2 11.4 43.4 74.9 20:10 (118,-17)
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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)
Apr. 17 5 2.19 -64 43.8 8.230 8.186 84 11.7 6.0 45.2 20:02 ( 26,-24)
Apr. 24 5 7.09 -64 15.9 8.280 8.242 84 11.8 6.0 52.1 20:10 ( 28,-26)
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Observed for the first time in this return on Mar. 21 as 13.3 mag visually, as bright as expected. t 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)
Apr. 17 21 15.56 -22 45.0 1.405 1.458 72 13.2 48.1 70.9 3:57 (310, 12)
Apr. 24 21 38.08 -20 48.9 1.368 1.450 73 13.1 47.4 68.8 3:47 (307, 13)
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Image:
1998 Dec. 5
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It locates high in the Southern Hemisphere. But very low in the Northern Hemisphere, it will go to 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)
Apr. 17 7 54.73 -47 2.7 3.702 4.004 100 13.4 6.3 319.2 20:02 ( 18, 4)
Apr. 24 7 52.58 -46 30.0 3.720 3.972 97 13.3 5.0 333.8 20:10 ( 24, 2)
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Image:
1999 Mar. 22
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It has bursted out on Mar. 16 and raeched to 12.6 mag visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 15 13.47 -29 17.0 5.278 6.174 150 13.5 5.5 276.6 1:36 ( 0, 26)
Apr. 24 15 10.41 -29 11.1 5.231 6.172 157 13.5 6.1 280.0 1:05 ( 0, 26)
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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)
Apr. 17 21 40.10 -55 21.4 1.371 1.585 82 13.9 26.8 245.8 3:57 (329,-14)
Apr. 24 21 17.17 -56 38.8 1.334 1.683 90 14.1 32.5 249.9 3:47 (334,-11)
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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)
Apr. 17 23 3.40 -23 11.9 5.426 4.851 50 14.2 10.4 115.7 3:57 (294, -7)
Apr. 24 23 8.01 -23 45.7 5.382 4.899 56 14.3 10.1 120.5 3:47 (296, -5)
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Image:
1999 Mar. 31
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It is about 11-13 mag visually, 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)
Apr. 17 7 28.07 16 12.4 2.013 2.164 84 14.5 25.4 112.9 20:02 ( 66, 55)
Apr. 24 7 39.62 15 3.0 2.097 2.176 80 14.7 26.2 112.2 20:10 ( 71, 49)
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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)
Apr. 17 0 41.03 14 18.8 2.951 1.996 14 14.9 36.1 55.4 3:57 (249, -5)
Apr. 24 0 55.40 16 41.2 2.943 2.005 17 14.9 35.9 55.6 3:47 (248, -3)
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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)
Apr. 17 1 53.82 10 12.7 3.388 2.387 3 15.1 28.3 68.1 20:02 (115,-15)
Apr. 24 2 6.16 11 24.6 3.437 2.432 1 15.3 27.5 68.7 20:10 (120,-19)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 5 37.53 -4 10.3 2.386 2.096 61 15.3 32.8 77.6 20:02 ( 69, 21)
Apr. 24 5 52.30 -3 24.9 2.502 2.159 58 15.7 31.7 79.2 20:10 ( 73, 17)
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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)
Apr. 17 20 39.00 16 3.1 2.152 2.089 72 15.6 17.7 282.6 3:57 (283, 45)
Apr. 24 20 29.64 16 28.8 2.087 2.164 80 15.6 21.6 279.2 3:47 (288, 50)
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Image:
1999 Mar. 31
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Maybe it is about 1-2 mag brightern than this ephemeris.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 8 26.18 19 36.9 1.496 1.908 97 15.9 27.8 116.5 20:02 ( 52, 67)
Apr. 24 8 38.64 18 9.8 1.585 1.934 93 16.2 28.4 115.8 20:10 ( 59, 62)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 16 7.16 -17 1.1 8.581 9.405 143 16.0 3.1 290.8 2:29 ( 0, 38)
Apr. 24 16 5.64 -16 53.3 8.528 9.416 150 16.0 3.5 288.9 2:00 ( 0, 38)
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Image:
1999 Mar. 31
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Although it is very difused and hard to observe, maybe it is 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)
Apr. 17 7 13.61 41 19.4 2.839 2.818 78 16.0 2.2 214.7 20:02 (114, 60)
Apr. 24 7 13.54 41 6.9 3.042 2.896 72 16.3 2.0 150.5 20:10 (114, 54)
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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)
Apr. 17 7 42.80 22 48.8 1.774 1.992 87 16.1 26.3 105.0 20:02 ( 73, 61)
Apr. 24 7 56.01 21 58.2 1.830 1.983 83 16.2 28.0 105.7 20:10 ( 77, 56)
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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)
Apr. 17 21 40.34 2 33.9 3.923 3.523 59 16.4 18.1 54.7 3:57 (285, 25)
Apr. 24 21 46.98 3 46.8 3.874 3.554 64 16.4 17.1 52.7 3:47 (286, 28)
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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)
Apr. 17 23 9.20 -1 14.7 3.257 2.554 38 16.7 27.8 71.6 3:57 (275, 5)
Apr. 24 23 21.47 -0 13.4 3.193 2.544 42 16.6 27.6 71.6 3:47 (275, 6)
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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)
Apr. 17 23 11.62 48 19.0 4.274 3.693 48 16.8 21.4 54.3 3:57 (229, 29)
Apr. 24 23 23.74 49 45.6 4.311 3.738 49 16.9 20.7 53.4 3:47 (228, 30)
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 6 11.20 45 25.2 5.436 5.135 67 17.3 0.8 341.7 20:02 (121, 49)
Apr. 24 6 11.40 45 31.3 5.558 5.151 61 17.3 1.3 41.7 20:10 (123, 43)
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Image:
1999 Mar. 22
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It was brighter than the ephemeris, about 14.5 mag visually and 17.2 mag by CCD.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 17 21.86 -6 10.2 1.281 2.028 124 17.5 11.5 68.5 3:43 ( 0, 49)
Apr. 24 17 26.30 -5 40.7 1.187 1.987 129 17.4 9.2 62.9 3:20 ( 0, 49)
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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)
Apr. 17 18 54.26 -18 24.8 2.435 2.844 103 17.5 9.5 72.6 3:57 (338, 33)
Apr. 24 18 58.14 -18 5.4 2.371 2.868 109 17.6 7.3 68.3 3:47 (341, 35)
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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)
Apr. 17 13 26.80 -3 12.2 3.706 4.703 172 17.6 17.5 256.4 23:44 ( 0, 52)
Apr. 24 13 18.98 -3 41.3 3.743 4.723 165 17.6 17.0 255.5 23:09 ( 0, 51)
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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)
Apr. 17 6 48.55 34 2.5 1.925 1.910 73 17.6 32.2 85.1 20:02 (101, 55)
Apr. 24 7 6.70 34 15.1 2.015 1.937 71 17.8 32.2 88.1 20:10 (103, 51)
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Image:
1999 Mar. 22
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It was observed much brighter, about 14 mag, in early April visually.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 7 33.98 27 16.2 2.351 2.463 84 17.7 21.6 112.3 20:02 ( 83, 62)
Apr. 24 7 44.54 26 18.6 2.478 2.507 79 18.0 22.0 111.9 20:10 ( 86, 56)
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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)
Apr. 17 9 12.42 6 7.1 13.080 13.484 111 17.7 0.6 306.5 20:02 ( 16, 60)
Apr. 24 9 12.31 6 9.2 13.186 13.481 104 17.7 0.2 6.1 20:10 ( 32, 57)
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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, but it is in the Milky Way.. 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)
Apr. 17 17 58.16 -12 51.9 1.377 2.034 116 17.8 15.1 59.4 3:57 (353, 42)
Apr. 24 18 3.63 -11 57.0 1.319 2.037 121 17.7 12.7 51.2 3:47 (356, 43)
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Image:
1999 Mar. 22
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It will be fainter than 19 mag and lower than 30 deg in late May.
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 7 53.73 15 10.0 1.487 1.808 90 17.8 30.7 103.0 20:02 ( 58, 59)
Apr. 24 8 8.36 14 19.3 1.559 1.822 87 18.0 31.6 103.7 20:10 ( 63, 54)
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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)
Apr. 17 16 29.74 27 40.1 5.479 6.096 123 18.0 15.3 322.3 2:52 ( 0, 83)
Apr. 24 16 24.50 29 2.4 5.462 6.112 126 18.0 15.4 317.7 2:19 ( 0, 84)
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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. It will close to 49P/Arend-Rigaux (18.9 mag) down to 0.44 deg on Apr. 21 at 20h(UT).
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Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Mot.(') p.a. Best Time(A, h)
Apr. 17 14 17.30 14 27.4 13.133 14.038 153 18.3 3.3 292.2 0:39 ( 0, 69)
Apr. 24 14 15.81 14 35.3 13.157 14.057 152 18.3 3.3 287.9 0:10 ( 0, 70)
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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)
Apr. 17 11 12.94 0 6.2 2.154 3.012 142 18.5 6.5 315.2 21:31 ( 0, 55)
Apr. 24 11 11.29 0 35.8 2.200 2.997 135 18.6 4.5 327.0 21:02 ( 0, 56)
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