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Getting brighter much faster than expected. Now it is so bright as 6.6 mag (Jan. 24, Chris Wyatt). It will approach to the sun down to 0.73 A.U. in March. It may brighten up to 3 mag at best. In the Southern Hemisphere, it keeps observable while brightening gradually after this in good condition. In the Northern Hemisphere, it is not observable now. It becomes observable again in May, and it keeps observable in good condition after that while fading gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 12 46.74 -70 31.6 1.031 1.305 80 6.6 3:34 (353, 54)
Feb. 2 13 53.43 -82 51.8 0.990 1.207 75 6.0 3:44 (357, 42)
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Now it is 7.4 mag (Jan. 24, Chris Wyatt). Although it had been brightening as expected until late December, the brightening has got slow down in January. It was expected to be a great comet of -1 mag in spring, however, it may brightens only up to 3 mag at best. In the Southern Hemisphere, it keeps observable in the low sky until mid February. In the Northern Hemisphere, it keeps unobservable for a long time until March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 18 47.18 -44 29.7 1.803 1.129 33 7.1 3:34 (314, 16)
Feb. 2 19 27.44 -45 28.2 1.623 0.989 34 6.5 3:44 (315, 16)
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Long-lost comet for almost 200 years since 1827. Finally re-discovered by Rob Matson from SWAN images of mid November. Appearing in the morning sky again in the Northern Hemisphere. Now it is very bright as 8.7 mag (Jan. 20, Juan Jose Gonzalez). It can brighten furthermore after the perihelion passage. In the Northern Hemisphere, it keeps observable in excellent condition while fading after this. In the Southern Hemisphere, it is only observable in low sky from February to March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 18 35.05 1 59.2 1.691 1.061 35 8.7 3:34 (274, -9)
Feb. 2 18 29.68 5 43.6 1.626 1.144 43 9.1 3:44 (265, -3)
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It brightened up to 9.0 mag in 2012 autumn (Nov. 4, Juan Jose Gonzalez). It is not observable now. In the Southern Hemisphere, it will appear in the morning sky at 9 mag in February, then it keeps observable in good condition while fading slowly. In the Northern Hemisphere, it is hardly observable after 2013.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 19 26.63 -34 40.6 2.711 1.833 21 9.1 3:34 (310, 4)
Feb. 2 19 48.25 -36 14.8 2.688 1.847 25 9.1 3:44 (310, 7)
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Now it is 11.6 mag (Jan. 18, Marco Goiato). Diffuse, but visible visually. It approaches to the Sun down to 0.3 A.U. in February. The ephemeris says it will brighten up to 7 mag. However, because the comet is small, it may be disintegrated. It keeps observable in good condition until February while brightening gradually. It became strongly condensed in outburst on Jan. 24.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 0 5.56 -28 25.6 1.023 0.836 49 11.8 20:49 ( 72, 26)
Feb. 2 23 48.50 -30 49.9 1.014 0.688 40 10.9 20:41 ( 66, 20)
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It approached to the earth down to 0.3 A.U. and brightened up to 7-8 mag from late December to early January. However, it will go away from the earth and fade out rapidly after this. It has already faded down to 9.9 mag (Jan. 12, Marco Goiato). It is observable in good condition also in the Southern Hemisphere after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 4 7.67 -8 5.8 0.807 1.464 109 11.2 20:49 (147, 59)
Feb. 2 4 4.26 -11 21.9 0.997 1.531 101 11.9 20:41 (134, 59)
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Now it is 11.2 mag (Jan. 20, Juan Jose Gonzalez). It is expected to be observable at 11-13 mag for a long time from 2012 summer to 2013 summer. It will be getting higher gradually in the morning sky. Finally it becomes observable also in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 16 13.67 -28 43.5 2.723 2.381 59 12.4 3:34 (283, 36)
Feb. 2 16 14.52 -27 6.1 2.636 2.421 66 12.4 3:44 (277, 42)
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Now it is so bright as 11.8 mag (Jan. 3, Juan Jose Gonzalez). It keeps bright as 12 mag until spring. In the Northern Hemisphere, it keeps observable in good condition until April. It is not observable now in the Southern Hemisphere. It will become observable after April, but it keeps locating low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 1 14.83 53 55.8 1.739 2.059 94 12.8 20:49 (149,-12)
Feb. 2 1 35.26 50 0.9 1.744 1.999 89 12.7 20:41 (146,-10)
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It brightened up to 11-12 mag in 2012. Now it is 13.5 mag (Jan. 16, A. Novichonok). It will be observable at 12-13 mag in good condition again in 2013.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 15 33.57 -17 24.2 5.810 5.563 70 13.1 3:34 (265, 39)
Feb. 2 15 31.97 -17 26.5 5.702 5.584 78 13.1 3:44 (258, 47)
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First return of a new periodic comet discovered in 1994. Although it had been fainter than expected, it brightened rapidly and reached up to 10.6 mag (Dec. 13, Katsumi Yoshimoto). It is bright as 11.6 mag still now (Jan. 11, Sandor Szabo). It has a large diffuse coma. It keeps locating high for a while, but it will be fading after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 2 3.72 -7 41.5 1.258 1.464 80 13.1 20:49 (111, 39)
Feb. 2 2 26.73 -7 14.2 1.340 1.510 79 13.6 20:41 (112, 39)
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It kept as bright as 6-7 mag for a long time from 2011 summer to 2012 spring. Now it is fading. But it is very bright and visible visually at 14.0 mag still now (Dec. 13, Sandor Szabo).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 9 8.34 -10 56.7 4.014 4.885 149 13.5 0:48 (180, 66)
Feb. 2 9 0.11 -10 58.9 4.056 4.948 152 13.5 0:13 (180, 66)
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Now it is 13.3 mag (Nov. 15, Sandor Szabo). It keeps bright at 13-14 mag for a long time until 2014. It keeps observable for a long time 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)
Jan. 26 20 57.89 30 13.9 6.550 5.955 49 13.7 20:49 (101,-43)
Feb. 2 21 0.82 29 55.1 6.580 5.949 46 13.7 3:44 (261,-46)
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It brightened rapidly, and reached up to 12 mag in 2012. Appearing in the mornig sky again. It will be observable at 12-14 mag in good condition again in 2013. However, it locates somewhat low in the Northern Hemisphere in 2013. By the way, Juan Jose Gonzalez reported it is extremely bright as 9.6 mag on Jan. 20.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 17 46.84 -22 25.4 3.577 2.880 39 13.8 3:34 (288, 14)
Feb. 2 17 58.56 -22 48.0 3.514 2.880 43 13.7 3:44 (285, 20)
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Juan Jose Gonzalez reported it is extremely bright as 10.5 mag on Jan. 20. However, it is extremely diffuse.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 14 9.47 -22 49.0 6.188 6.233 88 13.9 3:34 (257, 58)
Feb. 2 14 10.90 -23 8.3 6.074 6.232 94 13.9 3:44 (248, 66)
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Big asteroid discovered in 1906. It suddenly showed the cometary activity on Dec. 11, 2010, probably due to an impact of a small object. Now it is 11.9 mag (May 29, Marco Goiato). It has already turned to be stellar. It is not observable now.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 21 1.50 -26 46.4 3.632 2.669 10 14.2 20:49 ( 50, -8)
Feb. 2 21 14.95 -25 59.5 3.647 2.680 9 14.2 20:41 ( 49, -9)
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Now it is bright and visible visually at 12.9 mag (Jan. 3, Chris Wyatt). It keeps 12-14 mag until February. It keeps observable in good condition in the Northern Hemisphere. In the Southern Hemisphere, it locates extremely low, and will be unobservable soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 0 58.28 18 4.9 3.310 3.195 74 14.3 20:49 (120, 10)
Feb. 2 1 8.03 17 48.8 3.412 3.206 69 14.4 20:41 (119, 8)
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Now it is 14.9 mag (Jan. 5, A. Novichonok). It will be fading slowly after this. But it keeps 15 mag in 2013. It is observable in good condition in the Southern Hemisphere. It becomes observable in the extremely low sky from January to February in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 2 55.93 -44 42.4 6.236 6.155 80 14.3 20:49 ( 59, 62)
Feb. 2 2 55.53 -43 10.0 6.319 6.179 77 14.4 20:41 ( 63, 59)
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It is expected to keep 13 mag and observable in good condition in the Northern Hemisphere for a long time from 2013 to 2014. Now it is 15.0 mag (Jan. 9, A. Novichonok). It will be observable also in the Southern Hemisphere from early December to early March, although it locates low.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 11 16.02 33 30.7 3.763 4.571 140 14.5 2:56 (180, 22)
Feb. 2 11 9.06 35 40.1 3.679 4.531 146 14.4 2:21 (180, 19)
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Now it is 14.9 mag (Jan. 11, V. Gerke, S. Plaksa, A. Novichonok). It is fainter than originally predicted by 1 mag. It will brighten up to 14 mag until spring. In the Northern Hemisphere, it keeps observable in excellent condition. In the Southern Hemisphere, it keeps locating extremely low for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 10 26.24 36 30.8 1.175 2.085 149 14.9 2:06 (180, 19)
Feb. 2 10 21.22 36 11.9 1.131 2.062 153 14.7 1:34 (180, 19)
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Now it is visible visually at 13.7 mag (Dec. 23, Juan Jose Gonzalez). It keeps 15 mag until March. In the Northern Hemisphere, it keeps observable for a long time until the comet fades out. It is not observable in the Southern Hemisphere, except for 2013 spring, but the comet locates extremely low only.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 3 29.23 57 22.1 1.717 2.291 113 14.8 20:49 (166, -5)
Feb. 2 3 35.46 51 52.4 1.797 2.305 108 14.9 20:41 (162, 0)
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It brightened much faster than expected, and reached up to 10.0 mag in summer (Aug. 9, Juan Jose Gonzalez). Now it is fading, but it is bright as 13.8 ma still now (Jan. 11, Sandor Szabo). It keeps observable in good condition for a while after this.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 7 30.09 10 49.9 2.067 3.021 162 14.9 23:05 (180, 44)
Feb. 2 7 16.18 9 24.7 2.163 3.074 153 15.1 22:24 (180, 46)
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Now it is 15.2 mag (Jan. 11, Sandor Szabo). Already visible visually. It is expected to be a great comet in 2013 autumn when the comet approaches to the sun down to only 0.01 A.U. It keeps visible with naked eyes from November to January, and can be extremely bright as Venus or more at the highlight. The condition is excellent in the Northern Hemisphere. It keeps observable almost all through the period of brightening, at the highlight, and of fading. The condition is not good in the Southern Hemisphere. It is not observable at all the latter part of the highlight, and it keeps low all through the period.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 7 24.24 31 37.9 4.058 4.993 159 15.5 23:00 (180, 23)
Feb. 2 7 16.42 31 44.5 4.026 4.917 151 15.4 22:25 (180, 23)
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Now it is 16.8 mag (Jan. 19, K. Hills). It keeps bright as 13-14 mag for a long time from 2013 to 2014.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 14 37.16 -10 2.5 3.568 3.633 85 15.8 3:34 (246, 46)
Feb. 2 14 41.55 -10 22.3 3.449 3.618 91 15.7 3:44 (238, 52)
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New bright comet discovered at 15 mag in late December. Now it is 16.4 mag (Jan. 21, K. Hills). It must have been bright as 13-14 mag and observable in good condition from spring to autumn in the Southern Hemisphere. But it was not discovered. It will be fainter than 18 mag in April, and keeps observable in good condition. It will be observable also in the Northern Hemisphere after this in the evening sky while fading gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 5 12.99 -45 37.1 2.172 2.554 101 15.8 20:49 ( 0, 80)
Feb. 2 5 12.06 -41 35.1 2.237 2.611 101 15.9 20:41 ( 31, 83)
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Now it is 14.8 mag (Jan. 9, A. Novichonok). It keeps 15-16 mag until February. It keeps observable in good condition for a long time until the comet fades out in the Northern Hemisphere. It is not observable until 2013 summer in the Southern Hemisphere. By the way, Juan Jose Gonzalez reported it extremely bright as 10.4 mag visually on Nov. 6.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 0 27.84 56 33.0 3.482 3.615 89 15.9 20:49 (146,-19)
Feb. 2 0 34.04 54 5.4 3.596 3.629 84 16.0 20:41 (143,-20)
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Now it is 16.2 mag (Dec. 25, K. Hills). In the Southern Hemisphere, it will be observable at 15-16 mag in good condition for a long time until 2013 summer. It is not observable at all in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 0 30.83 -69 57.9 4.499 4.132 62 15.9 20:49 ( 25, 39)
Feb. 2 0 49.90 -68 17.9 4.516 4.152 62 16.0 20:41 ( 27, 39)
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Now it is 15.6 mag (Jan. 23, W. Hasubick). It will brighten up to 12 mag from summer to autumn in 2013. In the Northern Hemisphere, it is observable only until spring when the comet brightens up to 15 mag. In the Southern Hemisphere, it keeps unobservable until August. Then it keeps observable while fading gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 23 38.27 53 33.7 2.975 3.009 82 16.2 20:49 (140,-24)
Feb. 2 23 54.59 52 15.2 2.971 2.939 78 16.0 20:41 (138,-24)
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It kept as bright as 11-12 mag for a long time from 2011 autumn to 2012 spring. Now it is fading. It has already faded down to 17.0 mag (Jan. 11, V. Gerke, S. Plaksa, A. Novichonok). It keeps observable in good condition until spring while the comet will be fading gradually.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 10 29.68 1 30.1 2.500 3.367 146 16.4 2:09 (180, 54)
Feb. 2 10 25.24 1 53.3 2.481 3.398 154 16.5 1:37 (180, 53)
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It reaches up to 15-16 mag from spring to summer. It is observable in excellent condition in the Southern Hemisphere. It locates low in the Northern Hemisphere. No observations have been reported since last September.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 16 52.37 -49 20.7 4.019 3.523 53 17.0 3:34 (310, 35)
Feb. 2 16 52.68 -49 20.7 3.901 3.503 59 16.9 3:44 (308, 41)
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Now it is 16.4 mag (Jan. 6, J. F. Hernandez). It is expected to brighten up to 6 mag in 2014 autumn. In 2013, it keeps observable in good condition until autumn when it brigthens up to 14 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 17 26.06 8 51.0 7.279 6.745 53 17.1 3:34 (259, 1)
Feb. 2 17 28.19 9 14.9 7.139 6.685 59 17.0 3:44 (253, 8)
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Now it is 17.4 mag (Jan. 5, K. Hills). It keeps observable in good condition at 17 mag from January to June. It locates somewhat low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 9 19.37 17 19.1 1.184 2.158 169 17.2 0:59 (180, 38)
Feb. 2 9 14.71 18 12.4 1.151 2.136 176 17.1 0:27 (180, 37)
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It brightened very rapidly, became much brighter than originally expected, and reached up to 11-12 mag from summer to autumn in 2012. Now it is fading. It has already faded down to 16.3 mag (Jan. 12, M. Hotta). It keeps high for a long time in the Northern Hemisphere. It locates very low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 2 53.41 38 31.6 1.548 2.042 105 17.2 20:49 (153, 10)
Feb. 2 3 6.94 38 18.0 1.658 2.087 101 17.6 20:41 (152, 9)
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It brightened very rapidly and unusually, and reached up to 10 mag in 2012 autumn. Now it is fading. It has already faded down to 16.2 mag (Jan. 2, Ken-ichi Kadota). .It keeps high for a long time in the Northern Hemisphere. It is not observable after this in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 2 12.44 43 57.3 1.459 1.887 99 17.3 20:49 (150, 1)
Feb. 2 2 31.10 44 0.8 1.559 1.933 96 17.9 20:41 (149, 1)
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It was identified with an old comet discovered in 1931 by Tombaugh. It was unusually bright as 12.5 mag in 1931. Now it is 16.9 mag (Jan. 19, Y. Sugiyama). It keeps 17.5 mag until March, and keeps 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)
Jan. 26 6 47.03 35 27.0 1.542 2.451 151 17.3 22:23 (180, 20)
Feb. 2 6 43.66 35 58.6 1.581 2.447 143 17.4 21:52 (180, 19)
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Now it is 17.8 mag (Jan. 11, P. Dupouy, et al.). It brightened up to 16.5 mag in 2012. It will be observable in good condition again at 17.5 mag in 2013 spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 14 16.87 2 12.7 5.748 5.910 94 17.5 3:34 (229, 40)
Feb. 2 14 13.81 2 37.6 5.636 5.926 102 17.5 3:44 (218, 46)
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Now it is 17.2 mag (Dec. 31, Yasukazu Ikari). It will be observable at 17-18 mag for a long time from 2013 to 2014.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 12 23.20 4 27.1 3.339 3.953 122 17.6 3:34 (191, 50)
Feb. 2 12 23.26 4 30.0 3.245 3.944 129 17.5 3:35 (180, 51)
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It is expected to brighten up to 11 mag and become observable in excellent condition in 2014 spring. Now it is 17.9 mag (Jan. 3, Toshiyuki Takahashi). In the Northern Hemisphere, it keeps observable in good condition until early summer. It locates low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 9 17.79 36 8.9 3.832 4.769 160 17.7 0:58 (180, 19)
Feb. 2 9 12.33 37 4.6 3.769 4.706 159 17.6 0:25 (180, 18)
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Peculiar asteroid moving along a cometary orbit. Now it is 17.3 mag (Dec. 6, E. Cozzi). It keeps observable at 18 mag for a long time from 2008 to 2014. It locates extremely low in the Southern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 7 16.11 41 21.6 6.290 7.175 152 17.6 22:52 (180, 14)
Feb. 2 7 10.32 41 47.8 6.354 7.187 145 17.7 22:19 (180, 13)
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Now it is 17.7 mag (Jan. 11, V. Gerke, S. Plaksa, A. Novichonok). It reached up to 17 mag in last winter between 2011 and 2012. It will be observable in good condition again at 17.5 mag in this winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Jan. 26 9 30.38 16 39.2 3.199 4.163 166 17.7 1:10 (180, 38)
Feb. 2 9 26.21 16 57.3 3.189 4.171 174 17.7 0:39 (180, 38)
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