|
Now it is 6.6 mag (Oct. 1, Marco Goiato). It is expected to brighten up to 4-5 mag from autumn to winter. But it is a bit fainter than this ephemeris recently. It will become unobservable in mid October also in the Southern Hemisphere. In the Northern Hemisphere, it keeps unobservable until late November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 14 36.74 -37 39.7 1.633 1.149 44 5.7 19:06 ( 53,-13)
Oct. 10 14 33.54 -34 21.7 1.710 1.067 35 5.5 18:56 ( 58,-15)
|
|
It brightened very rapidly. Now it is so bright as 10.4 mag (Oct. 2, Maik Meyer). It is observable at 10-12 mag until next spring in excellent condition in the Northern Hemisphere. It keeps unobservable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 2 48.34 87 15.9 1.910 2.246 95 10.5 2:12 (180, 38)
Oct. 10 17 7.74 88 8.9 1.888 2.219 95 10.3 18:56 (178, 36)
|
|
Now it is very bright as 10.4 mag (Sept. 16, Marco Goiato). In the Northern Hemisphere, it keeps very low in the evening until mid December. It will be getting lower gradually after this even in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 15 54.40 -18 20.7 1.996 1.574 51 10.9 19:06 ( 57, 12)
Oct. 10 16 15.27 -19 35.6 2.022 1.566 49 10.9 18:56 ( 55, 12)
|
|
It brightened up to 3.7 mag and became a naked eye comet in mid January (Jan. 13, Marek Biely). Now it is fading. But it is bright as 11.3 mag still now (Sept. 20, Seiichi Yoshida). In the Northern Hemisphere, it keeps observable for a long time until the comet fades out. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 16 17.93 33 11.0 3.791 3.478 64 11.6 19:06 (103, 46)
Oct. 10 16 25.59 31 17.0 3.909 3.550 61 11.7 18:56 (102, 43)
|
|
Now it is 11.1 mag (Sept. 24, Thomas Lehmann). Finally it became bright. It will brighten up to 11 mag from autumn to winter. But it keeps very low in the Northern Hemisphere. It will be getting lower gradually after this even in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 16 28.95 -19 14.9 1.721 1.486 59 11.8 19:06 ( 50, 17)
Oct. 10 16 49.43 -20 47.3 1.738 1.466 57 11.6 18:56 ( 48, 17)
|
|
Now it is bright as 12.5 mag (Sept. 21, Seiichi Yoshida). It will pass close to the earth from spring to summer in 2016, and it is expected to be observable at 6-7 mag in good condition. In the Northern Hemispehre, it keeps observable in excellent condition until winter. In the Southern Hemisphere, it keeps very low until winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 5 29.86 41 13.9 2.596 3.006 104 12.4 4:31 (204, 83)
Oct. 10 5 19.61 42 19.3 2.399 2.933 112 12.1 4:08 (180, 83)
|
|
Now it is bright as 11.1 mag (Sept. 21, Seiichi Yoshida). It keeps bright as 11-12 mag from August to October. In the Northern Hemisphere, it is getting higher gradually, and it keeps observable in good condition after this. In the Southern Hemisphere, it keeps low until November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 9 33.03 19 16.3 1.800 1.389 50 12.1 4:31 (268, 32)
Oct. 10 9 53.20 17 59.4 1.805 1.427 52 12.2 4:37 (271, 34)
|
|
It approached to the sun down to 0.3 a.u. on July 6, and brighted up to 3.9 mag (July 6, Thomas Lehmann). Now it is 12.1 mag (Sept. 22, Chris Wyatt). In the Northern Hemisphere, it keeps observable until the comet fades out. It will not be observable after this in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 14 18.82 -46 55.3 2.424 1.919 48 12.7 19:06 ( 46,-21)
Oct. 10 14 39.94 -48 30.2 2.571 2.030 47 13.0 18:56 ( 45,-21)
|
|
It brightened rapidly up to 10.4 mag from July to August (July 18, Maik Meyer). Now it is fading, but it is bright as 12.2 mag still now (Sept. 18, Carlos Labordena). It is observable in good condition in the Northern Hemisphere, but it will be unobservable soon in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 18 59.88 45 25.2 1.362 1.788 97 12.7 19:06 (140, 76)
Oct. 10 19 8.82 45 40.8 1.425 1.825 96 13.0 18:56 (137, 74)
|
|
It brightened up to 12.9 mag in outburst on Sept. 22 (Jean-Francois Soulier).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 17 27.97 -29 7.6 6.204 6.002 73 13.8 19:06 ( 33, 17)
Oct. 10 17 31.76 -29 1.0 6.307 6.000 67 13.8 18:56 ( 35, 16)
|
|
It brightened rapidly in mid August. Now it is very bright as 11.5 mag (Sept. 21, Michael Jager). Secondary component H is also visible as 15 mag (Sept. 21, Michael Jager). In the Northern Hemisphere, it keeps observable in good condition in the morning sky. It keeps locating extremely low from summer to autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 9 38.90 8 52.6 1.397 0.995 45 13.8 4:31 (277, 25)
Oct. 10 9 56.97 6 4.8 1.454 1.067 47 14.5 4:37 (282, 26)
|
|
Now it is 12.5 mag (Sept. 13, Michael Jager). In the Northern Hemisphere, it is appearing in the morning sky. It keeps observable after this while the comet will be fading. It is not observable in the Southern Hemisphere until January when the comet will fade down to 16 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 11 22.14 26 16.5 2.681 1.943 34 13.9 4:31 (247, 14)
Oct. 10 11 38.87 25 21.8 2.693 1.993 37 14.0 4:37 (250, 16)
|
|
Now it is 14.4 mag and visible visually (Sept. 6, Sandor Szabo). It keeps 13 mag for a long time from 2015 autumn to 2016 summer. In the Northern Hemispehre, it keeps observable in good condition for a long time. It keeps unobservable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 7 14.33 64 1.9 2.996 3.140 88 14.1 4:31 (203, 56)
Oct. 10 7 28.34 66 57.5 2.886 3.104 93 13.9 4:37 (197, 55)
|
|
Now it is 14.7 mag (Sept. 6, Sandor Szabo). In 2015, it keeps 13-14 mag and will be observable in good condition for a long time.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 19 23.83 -14 4.3 3.507 3.829 101 14.1 19:06 ( 9, 40)
Oct. 10 19 28.71 -14 19.0 3.631 3.856 95 14.2 18:56 ( 13, 40)
|
|
It brightened up to 6.0 mag in mid May (May 14, Chris Wyatt). Now it is fading. But it is bright as 12.5-13.0 mag still now (Sept. 12, Michael Jager). In the Northern Hemisphere, it keeps observable in good condition after this while the comet will be fading. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 8 40.69 21 35.9 2.612 2.324 62 14.2 4:31 (273, 43)
Oct. 10 8 38.34 22 43.8 2.564 2.415 70 14.4 4:37 (277, 51)
|
|
Now it is 15.6 mag (Sept. 13, Sandor Szabo). It will brighten up to 14 mag from 2015 to 2016. It keeps observable in good condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 2 9.34 14 27.6 3.263 4.187 154 14.3 1:26 ( 0, 70)
Oct. 10 1 56.80 14 43.1 3.222 4.190 163 14.3 0:46 ( 0, 70)
|
|
It is fading, but bright as 12.7 mag still now (Sept. 17, Uwe Pilz). It keeps observable in good condition until winter when the comet becomes fainter than 18 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 2 43.31 12 7.9 1.337 2.243 146 14.3 2:00 ( 0, 67)
Oct. 10 2 36.29 11 45.5 1.343 2.289 155 14.6 1:25 ( 0, 67)
|
|
Now it is 14.1 mag and visible visually (Aug. 21, Uwe Pilz). Distant object, but it keeps observable at 14-15 mag for a long time from 2015 to 2016.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 21 9.59 -5 48.4 4.498 5.175 128 14.4 20:23 ( 0, 49)
Oct. 10 21 9.96 -6 14.8 4.568 5.159 121 14.4 19:55 ( 0, 49)
|
|
It was bright as 10.3 mag in August (Aug. 10, Juan Jose Gonzalez). Now it is fading. No observations have been reported in September. In the Southern Hemisphere, it keeps observable in the evening sky until the comet becomes fainter than 18 mag in winter. In the Northern Hemisphere, it will never be observable again.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 15 50.59 -53 26.6 1.568 1.441 63 14.6 19:06 ( 32,-13)
Oct. 10 16 19.96 -56 23.0 1.700 1.542 63 15.0 18:56 ( 28,-14)
|
|
It was so faint as 20.0 mag in August (Aug. 17, Hidetaka Sato). However, it brightened by 6 mag in outburst in mid September. Now it is bright as 13.7 mag (Sept. 21, Seiichi Yoshida). It keeps observable in excellent condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 4 53.64 6 2.4 1.446 2.081 115 14.8 4:09 ( 0, 61)
Oct. 10 4 54.49 4 46.7 1.423 2.124 121 15.1 3:43 ( 0, 60)
|
|
First return of a periodic comet discovered in 1994. Now it is 15.1 mag (Oct. 2, Katsumi Yoshimoto). It will brighten up to 15 mag from summer to autumn, and will be observable in excellent condition in the Southern Hemisphere. It locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 22 33.38 -32 15.5 1.651 2.455 134 14.9 21:46 ( 0, 23)
Oct. 10 22 32.31 -30 53.9 1.699 2.451 128 15.0 21:18 ( 0, 24)
|
|
Appearing in the morning sky in the Northern Hemisphere. It will be observable after December in the Southern Hemisphere. It is expected to brighten up to 13 mag from winter to spring. It will be observable in excellent condition in the Southern Hemisphere. But it locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 11 20.50 6 6.7 3.206 2.298 20 15.1 4:31 (264, 3)
Oct. 10 11 33.87 4 36.9 3.159 2.284 24 15.0 4:37 (268, 6)
|
|
Now it is 14.9 mag (Aug. 26, D. Buczynski). It keeps 15 mag for a long time from 2014 to 2015. It is observable in excellent condition in the Northern Hemisphere. It locates low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 1 49.66 44 26.8 3.488 4.264 135 15.0 1:06 (180, 81)
Oct. 10 1 40.69 45 21.5 3.476 4.289 139 15.0 0:30 (180, 80)
|
|
Now it is 14.6 mag (Sept. 18, Katsumi Yoshimoto). It keeps observable at 15 mag in good condition for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 2 33.76 7 30.9 1.187 2.114 149 15.2 1:50 ( 0, 63)
Oct. 10 2 32.03 6 47.3 1.159 2.115 157 15.2 1:21 ( 0, 62)
|
|
Now it is 17.1mag (Aug. 27, A. Maury, J.-G. Bosch, J.-F. Soulier, T. Noel). It is expected to brighten rapidly, and to be observable at 14.5 mag in good condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 4 29.15 -7 56.1 0.797 1.562 120 15.4 3:44 ( 0, 47)
Oct. 10 4 40.46 -8 33.7 0.750 1.541 122 15.3 3:28 ( 0, 46)
|
|
Now it is 14.9 mag (Sept. 13, Sandor Szabo). It keeps 15-16 mag for a long time until 2016. It keeps observable in excellent condition in the Northern Hemisphere. It keeps unobservable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 5 37.68 62 8.5 4.921 5.185 99 15.6 4:31 (186, 63)
Oct. 10 5 37.86 63 42.6 4.842 5.185 104 15.6 4:27 (180, 61)
|
|
It brightened up to 13 mag in 2014. Now it is 15.2 mag (Sept. 12, Sandor Szabo). It will be fading slowly after this. It is observable at 16 mag in excellent condition from summer to winter in 2015.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 1 24.37 0 28.7 2.940 3.921 167 16.0 0:41 ( 0, 56)
Oct. 10 1 19.81 0 8.5 2.945 3.937 171 16.1 0:09 ( 0, 55)
|
|
It brightened up to 16.4 mag in 2014 (Nov. 14, J. F. Hernandez). Now it is 17.2 mag (Aug. 27, D. Buczynski). It will be observable at 16 mag again from summer to autumn in 2015. However, it is fainter than this ephemeris recently.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 4 26.11 28 24.9 1.906 2.554 119 16.1 3:42 ( 0, 83)
Oct. 10 4 26.08 28 30.7 1.858 2.581 126 16.1 3:14 ( 0, 84)
|
|
It brightened up to 6.9 mag in 2014 autumn (Oct. 17, Marco Goiato). Now it is fading. It has already faded down to 15.7 mag (Oct. 2, Katsumi Yoshimoto). In the Southern Hemisphere, it keeps observable in good condition until the comet fades out. In the Northern Hemisphere, it keeps observable until winter, but it locates somewhat low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 23 9.84 -29 8.5 4.318 5.139 141 16.1 22:22 ( 0, 26)
Oct. 10 23 2.33 -29 9.7 4.455 5.205 134 16.2 21:47 ( 0, 26)
|
|
No observations have been reported after November in 2014. Current brightness is uncertain. It must keep 16 mag for a long time from 2015 autumn to 2016 summer. It keeps observable in excellent condition in the Southern Hemisphere. It locates low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 2 8.51 -30 28.5 2.100 2.931 139 16.3 1:25 ( 0, 25)
Oct. 10 1 46.64 -34 0.8 2.075 2.897 138 16.2 0:36 ( 0, 21)
|
|
Now it is 18.0 mag (Sept. 24, Jean-Gabriel Bosch). It will brighten up to 11 mag from spring to summer in 2016. In the Northern Hemisphere, it keeps observable in good condition while the comet will be brightening. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 5 55.00 20 3.4 2.605 2.955 100 16.5 4:31 (327, 73)
Oct. 10 5 59.21 19 57.8 2.473 2.916 106 16.3 4:37 (351, 75)
|
|
Now it is 15.5 mag (Sept. 20, Michael Jager). It keeps observable in good condition for a while. But it will be fading after this, and will be fainter than 18 mag in November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 0 10.52 1 26.1 1.101 2.099 173 16.3 23:23 ( 0, 56)
Oct. 10 0 6.41 0 43.9 1.150 2.132 165 16.6 22:51 ( 0, 56)
|
|
Now it is 15.1 mag (July 13, Yuji Ohshima). It will be unobservable in mid November.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 17 34.52 -26 43.5 8.565 8.363 75 16.5 19:06 ( 33, 20)
Oct. 10 17 34.91 -26 57.0 8.713 8.395 68 16.6 18:56 ( 36, 18)
|
|
It has not been recovered yet. But it must be already bright as 16.5 mag. It will approach to the earth from autumn to winter, and it is expected to brighten up to 15 mag and observable in excellent condition.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 4 39.68 -6 51.3 1.095 1.795 117 16.7 3:55 ( 0, 48)
Oct. 10 4 47.24 -6 34.6 1.025 1.768 121 16.5 3:35 ( 0, 48)
|
|
First return of a periodic comet which brightened up to 8 mag in major outburst in 2010. It will be observable in excellent condition from winter to spring. Now it is not detected, fainter than 20 mag (Oct. 2, Jean-Francois Soulier).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 7 37.28 31 6.7 2.009 2.058 78 17.2 4:31 (267, 60)
Oct. 10 7 53.17 30 55.8 1.904 2.021 81 16.7 4:37 (270, 64)
|
|
Now it is 16.8 mag (Sept. 20, Michael Jager). It will be fading after this. It will be fainter than 18 mag at the end of 2015.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 23 30.43 -7 58.8 1.509 2.474 160 16.8 22:43 ( 0, 47)
Oct. 10 23 28.49 -8 20.6 1.542 2.474 152 16.8 22:13 ( 0, 47)
|
|
Now it is 15.5 mag (Sept. 6, Sandor Szabo). It is fading, but it is a bit brighter than this ephemeris. The fragments B and C are already fainter than 20 mag (June 12, Takaaki Oribe).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 22 51.11 0 55.2 5.621 6.536 154 17.1 22:03 ( 0, 56)
Oct. 10 22 47.13 -0 1.7 5.727 6.582 146 17.1 21:32 ( 0, 55)
|
|
Now it is 16.5 mag (Sept. 8, Jean-Francois Soulier). It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. It is around the perihelion now. It keeps observable at 17 mag for a long time after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 23 8.82 -5 9.7 4.936 5.870 156 17.2 22:21 ( 0, 50)
Oct. 10 23 6.90 -5 25.3 4.992 5.874 149 17.3 21:52 ( 0, 50)
|
|
Now it is 17.7 mag (Sept. 24, Jean-Gabriel Bosch). It will brighten up to 14 mag in 2016 summer. But it is not observable at the highlight. It keeps observable until March while the comet will be brightening gradually up to 15-16 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 0 39.21 -4 25.7 1.747 2.741 171 17.3 23:51 ( 0, 51)
Oct. 10 0 33.96 -5 18.3 1.729 2.710 166 17.2 23:18 ( 0, 50)
|
|
Now it is 16.3 mag (Aug. 22, E. Bryssinck). It is observable in good condition in the Northern Hemisphere. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 9 3.87 39 33.4 1.700 1.562 64 17.3 4:31 (247, 45)
Oct. 10 9 25.17 39 49.5 1.698 1.608 67 17.3 4:37 (247, 48)
|
|
Now it is 17.8 mag (Oct. 2, Michael Jager). It is observable at 17.5 mag in good condition from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 18 52.28 4 39.0 1.313 1.717 94 17.4 19:06 ( 28, 57)
Oct. 10 19 4.91 1 28.8 1.336 1.689 91 17.4 18:56 ( 28, 53)
|
|
Now it is 18.9 mag (Aug. 25, S. Shurpakov). Now it is near the aphelion. It is observable at 17 mag in good condition from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 3 54.15 16 32.3 3.631 4.334 129 17.5 3:10 ( 0, 72)
Oct. 10 3 52.37 16 27.6 3.546 4.326 136 17.5 2:41 ( 0, 72)
|
|
Now it is 17.1 mag (Aug. 23, E. Bryssinck). It was expected to brighten rapidly, and to be observable at 16 mag in good condition from summer to winter. But actually, it is much fainter than predicted.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 22 42.38 -10 29.6 1.309 2.226 148 17.6 21:55 ( 0, 45)
Oct. 10 22 37.07 -9 32.7 1.328 2.197 141 17.5 21:22 ( 0, 46)
|
|
Now it is 16.0 mag (Aug. 20, Catalina Sky Survey). It keeps observable in good condition until the comet fades out. In 2014, it must have been observable at 14 mag in good condition in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 0 17.46 2 31.4 3.383 4.382 175 17.6 23:29 ( 0, 58)
Oct. 10 0 12.76 2 33.5 3.453 4.434 167 17.7 22:57 ( 0, 58)
|
|
It will pass the perihelion in 2019. However, it has not been brightening since the discovery in 2010. Now it is 18.3 mag (Aug. 23, S. Shurpakov). It keeps observable in excellent condition from autumn to next spring in the Northern Hemisphere. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 3 50.36 46 11.9 10.543 11.076 119 17.8 3:06 (180, 79)
Oct. 10 3 48.45 46 32.7 10.436 11.051 125 17.8 2:37 (180, 78)
|
|
Now it is 17.8 mag (Aug. 19, A. Diepvens). It was observed at 17 mag in 2014 summer. In the Northern Hemisphere, it is observable at 17.5 mag in excellent condition also in 2015. It is not observable in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 21 46.86 47 17.9 4.117 4.743 123 17.8 20:59 (180, 78)
Oct. 10 21 46.73 45 45.8 4.162 4.777 122 17.9 20:32 (180, 79)
|
|
Periodic comet discovered in 1998. But it was not recovered in 2007. Michael Jager detected it at 18.0 mag on Oct. 1. It will be observable at 17.5 mag from autumn to winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 20 52.50 -20 58.5 1.340 2.038 120 18.0 20:06 ( 0, 34)
Oct. 10 20 54.93 -19 21.1 1.384 2.015 114 17.9 19:41 ( 0, 36)
|
|
Now it is 16.5 mag (Sept. 24, J. V. Scotti), brighter than this ephemeris. It is observable at 17 mag in excellent condition in autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 5 48.45 7 12.5 1.265 1.765 101 18.0 4:31 (343, 61)
Oct. 10 5 58.50 4 48.4 1.221 1.774 105 17.9 4:37 (355, 60)
|
|
It was expected to approach to the earth down to 0.2 a.u. and brighten up to 15 mag from August to September. But actually, it is so faint as 19.0 mag, much fainter than predicted (Oct. 1, Michael Jager).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 21 33.69 3 29.3 0.328 1.255 135 20.1 20:49 ( 0, 59)
Oct. 10 22 2.67 4 21.4 0.397 1.313 135 20.6 20:50 ( 0, 59)
|
|
It brightened up to 15.9 mag in June as predicted (June 23, Ken-ichi Kadota). It was expected to be observable at 13 mag in good condition from summer to autumn. However, Jean-Gabriel Bosch detected the comet became disintegrating in July. Now it is so faint as 19.3 mag (Aug. 26, W. Hasubick). The fragment D and B are also observed as 19.0 mag (Sept. 20, Michael Jager) and 20.9 mag (Aug. 21, Pan-STARRS 1, Haleakala) respectively.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Oct. 3 2 24.24 3 14.9 0.821 1.770 152 23.2 1:40 ( 0, 58)
Oct. 10 2 21.38 3 14.3 0.820 1.790 159 23.9 1:10 ( 0, 58)
|
|