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It brightened up to 9.5 mag on Jan. 13 (Juan Jose Gonzalez). Now it is still bright as 10.3 mag (Feb. 7, Juan Jose Gonzalez). It keeps as bright as 9-10 mag until spring. It will be observable in good condition for a long time after this in the Northern Hemisphere. It keeps visible visually for one year until autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 14 48.14 40 57.8 2.195 2.639 105 9.6 5:29 (207, 83)
Feb. 13 14 57.54 44 0.4 2.206 2.679 107 9.6 5:23 (184, 81)
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Now it is so bright as 9.8 mag (Jan. 26, Katsumi Yoshimoto). It keeps observable bright as 9-10 mag in a good condition for a long time until spring. It keeps observable until autumn when it fades down to 16 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 13 23.66 -5 34.3 0.913 1.607 115 9.8 4:20 ( 0, 49)
Feb. 13 13 35.62 -6 11.1 0.864 1.601 119 9.7 4:04 ( 0, 49)
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Appearing in the morning sky, brighter than expected. Now it is 11.6 mag (Feb. 6, Ken-ichi Kadota). It will reach up to 8 mag and to be observable in good condition in spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 18 26.13 -16 37.3 2.466 1.841 41 11.2 5:29 (303, 14)
Feb. 13 18 34.83 -13 40.3 2.317 1.782 46 10.8 5:23 (303, 19)
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It reached up to 7.7 mag in summer (Aug. 13, Chris Wyatt). It is fading now. It has already faded down to 10.2 mag (Dec. 11, Carlos Labordena). Now it is not observable. In the Southern Hemisphere, it will appear in the morning sky in late February, then it keeps observable for a long time. But in the Northern Hemisphere, it is only observable in the low sky in spring, then it will never be observable again.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 20 0.11 -21 24.5 4.656 3.739 19 10.9 5:29 (292, -6)
Feb. 13 20 4.03 -22 2.5 4.642 3.775 25 10.9 5:23 (295, -3)
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Appearing in the morning sky, brighter than expected. Now it is 13.0 mag (Jan. 25, Ken-ichi Kadota). It will brighten rapidly after this, and will be bright as 8 mag in the northern sky in March and April. In the Southern Hemisphere, it will be observable in the low sky after the perihelion passage only.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 19 58.82 8 55.9 1.860 1.142 31 12.0 5:29 (267, 12)
Feb. 13 20 10.61 12 21.4 1.686 1.044 34 11.4 5:23 (266, 16)
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Now it is bright as 11.5 mag (Jan. 12, Juan Jose Gonzalez). In the Northern Hemisphere, it keeps observable in good condition until spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 5 44.89 13 53.6 1.233 2.003 128 12.6 20:39 ( 0, 69)
Feb. 13 5 49.02 14 50.9 1.297 2.011 122 12.8 20:16 ( 0, 70)
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It reached up to 8.4 mag in October (Oct. 20, Marco Goiato). Now it is fading. It has already faded down to 12.0 mag (Feb. 2, Juan Jose Gonzalez). It will be too low to observe soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 23 23.64 -6 32.3 2.586 1.829 32 12.7 18:59 ( 73, 12)
Feb. 13 23 40.17 -4 38.4 2.667 1.873 29 13.1 19:05 ( 77, 10)
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Great outburst up to 11 mag occured on Feb. 2. Now it is strongly condensed, and very bright as 11.0 mag (Feb. 7, Marco Goiato).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 9 37.45 12 18.1 5.210 6.192 174 13.5 0:35 ( 0, 67)
Feb. 13 9 34.13 12 29.2 5.207 6.193 177 13.5 0:04 ( 0, 67)
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Appearing in the morining sky. It will brighten up to 12-13 mag in summer. But it locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 18 16.37 -24 44.5 3.068 2.445 43 13.9 5:29 (310, 10)
Feb. 13 18 30.65 -24 56.1 3.005 2.443 47 13.8 5:23 (312, 11)
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Now it is 15.6 mag (Dec. 6, A. Maury, J. B. de Vanssay, F. Mallia, F. Kugel). It will be 14 mag from winter to spring in 2010. But the condition is bad. Now it is not observable. In the Northern Hemisphere, it will appear in the morning sky at 15 mag in late May, then it keeps observable while fading gradually after that.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 22 44.86 -14 27.1 2.606 1.723 21 14.1 18:59 ( 73, 0)
Feb. 13 22 58.34 -11 1.6 2.628 1.717 17 14.1 19:05 ( 78, -2)
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Now it is bright as 13.5 mag (Jan. 16, Michael Jager). Very faint large coma is visible in the excellent condition. However, the central nuclear is so faint as 17 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 0 52.00 46 58.6 1.384 1.538 78 14.5 18:59 (124, 52)
Feb. 13 0 54.92 49 25.3 1.406 1.502 75 14.4 19:05 (128, 47)
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It became very bright and observed visually as 9.2 mag (Nov. 18, Juan Jose Gonzalez) and 11.6 mag (Dec. 7, Chris Wyatt) until around the perihelion passage. In January, it approached to the earth down to 0.2 A.U. In the Southern Hemisphere, it is observable in the excellent condition. But it is fading rapidly now. Now it is 15.0 mag (Jan. 26, Yasukazu Ikari). It will be fainter than 18 mag in March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 8 54.17 -11 52.0 0.340 1.296 151 14.6 23:47 ( 0, 44)
Feb. 13 8 46.08 -4 41.3 0.419 1.382 156 15.0 23:12 ( 0, 51)
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An outburst occured on Oct. 13, and it reached up to 8.5 mag on Oct. 15 (Toru Yusa). The central nucleus shined like a bright star, and the dust coma looked like 17P/Holmes in outburst. However, the comet returned to the normal state within a few days. Now it is 13.5 mag (Feb. 2, Juan Jose Gonzalez). It will be too faint to see visually soon. In the Northern Hemisphere, it keeps observable in good condition for a long time until spring when it becomes fainter than 18 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 5 35.05 16 27.6 1.399 2.140 126 14.7 20:29 ( 0, 72)
Feb. 13 5 39.01 17 31.8 1.522 2.197 120 15.1 20:06 ( 0, 73)
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It brightened up to 11 mag in spring and summer in 2009. Appearing in the morninig sky again. It keeps observable after this until autumn when it becomes fainter than 18 mag while fading gradually. But it locates somewhat low in the Northern Hemisphere.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 18 18.88 -25 49.9 3.211 2.576 42 14.8 5:29 (310, 9)
Feb. 13 18 31.54 -25 48.5 3.171 2.600 46 14.9 5:23 (312, 10)
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It had been brightening as expected until Dec. 29 when it was 16.4 mag (Ken-ichi Kadota). However, it was reported bright as 14.2 mag on Jan. 3 (W. Hasubick). Maybe an outburst. The condition of this apparition is bad. It will reach up to 11-12 mag from spring to autumn in 2010, but it is not observable. It will be too low to observe soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 22 45.16 3 52.5 2.851 2.048 29 15.1 18:59 ( 87, 11)
Feb. 13 22 59.50 4 58.8 2.839 2.000 26 14.9 19:05 ( 91, 7)
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It will approach to the sun down to 0.4 A.U. in July, and it is expected to reach up to 4 mag. It keeps unobservable for a while. It will appear in the morning sky at 12 mag in April. In the Northern Hemisphere, it is observable only until June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 21 35.15 -17 15.4 3.696 2.714 4 15.2 18:59 ( 80,-15)
Feb. 13 21 42.36 -15 58.7 3.604 2.618 2 15.0 5:23 (277,-19)
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Now it is 13.3 mag, already visible visually (Feb. 3, Marco Goiato). It will be observable at 15 mag in good condition in winter and spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 4 54.01 18 31.3 1.333 1.989 117 15.0 19:49 ( 0, 74)
Feb. 13 4 59.08 19 24.1 1.381 1.970 111 15.0 19:26 ( 0, 74)
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Now it is 16.3 mag (Jan. 30, A. Baransky, K. Barinova, A. Zhdanov). It was expected to be observable at 15 mag in good condition from winter to spring. But actually, it is much fainter than expected.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 10 35.66 20 2.0 1.314 2.269 160 15.3 1:33 ( 0, 75)
Feb. 13 10 31.58 20 42.9 1.289 2.262 166 15.2 1:01 ( 0, 76)
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It brightned up to 10 mag from late 2008 to early 2009. Now it is fading. But it is still bright as 16.4 mag (Feb. 3, Ken-ichi Kadota). It keeps observable in good condition at 16 mag for a while.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 10 6.84 3 14.2 4.638 5.587 162 15.5 1:04 ( 0, 58)
Feb. 13 10 2.71 3 17.5 4.669 5.641 168 15.5 0:33 ( 0, 58)
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Now it is 16.6 mag (Jan. 15, Ken-ichi Kadota). It was observed as 15-16 mag in early 2009. In 2010, it will be observable at 16 mag in good condition from winter to spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 13 58.43 -4 56.2 3.197 3.619 107 15.7 4:55 ( 0, 50)
Feb. 13 14 0.08 -4 56.2 3.105 3.623 114 15.6 4:29 ( 0, 50)
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Now it is 16.7 mag (Jan. 15, Ken-ichi Kadota), a bit fainter than this ephemeris. It will be observable at 16 mag in good condition until spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 15 29.10 23 15.7 2.874 3.097 93 15.7 5:29 (310, 73)
Feb. 13 15 21.91 24 10.0 2.790 3.128 100 15.7 5:23 (329, 78)
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It brightened very rapidly, and reached up to 14.8 mag and became visible visually in December (Dec. 4, Juan Jose Gonzalez). But it is fading rapidly now. It has already faded down to 16.3 mag (Jan. 24, J. Kelemen). It will be fainter than 18 mag in late March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 3 18.45 -7 23.7 1.508 1.776 88 15.9 18:59 ( 16, 46)
Feb. 13 3 32.93 -6 54.3 1.575 1.790 85 16.1 19:05 ( 23, 46)
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Now it is 16.6 mag (Jan. 16, Hidetaka Sato). It keeps observable at 15 mag for a long time in 2010.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 17 25.30 14 24.1 5.230 4.893 64 16.0 5:29 (287, 46)
Feb. 13 17 31.15 15 33.5 5.133 4.872 69 15.9 5:23 (289, 50)
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It brightened up to 11.5 mag in 2008 summer (Aug. 4, Marco Goiato). Now it is 15.8 mag (Dec. 18, A. Novichonok, A. Smirnov, S. Plaksa). It keeps observable in good condition for a long time in the Southern Hemisphere. Now it became observable again also in the Northern Hemisphere. It will keep 15-16 mag until spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 4 37.75 -30 2.1 4.866 5.107 98 16.0 19:32 ( 0, 25)
Feb. 13 4 36.03 -28 22.8 4.990 5.160 94 16.1 19:05 ( 1, 27)
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It brightened up to 13 mag and observed visually from 2007 to 2009. Due to the far distance, it is bright as 14.9 mag still now (Jan. 15, Ken-ichi Kadota). It will be observable in good condition again until spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 13 14.22 37 39.9 7.109 7.701 123 16.1 4:11 (180, 87)
Feb. 13 13 9.70 38 31.6 7.079 7.733 128 16.1 3:39 (180, 87)
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Now it is 16.3 mag (Jan. 2, Ken-ichi Kadota). It brightened up to 11 mag in outburst in 2003. However, it does not seem to be so bright in this apparition. It seems to be 16 mag at best.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 1 55.82 17 47.1 1.214 1.370 76 16.1 18:59 ( 67, 57)
Feb. 13 2 18.62 18 58.6 1.235 1.363 74 16.1 19:05 ( 72, 56)
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Now it is 16.5 mag (Jan. 30, Hidetaka Sato). It will be bright as 14-15 mag in spring. It keeps observable for a long time until September when it becomes fainter than 18 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 14 10.01 -21 6.3 1.442 1.875 99 16.5 5:06 ( 0, 34)
Feb. 13 14 23.71 -22 36.4 1.355 1.846 102 16.3 4:52 ( 0, 32)
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It brightened much faster than expected. It became very bright visually at 11.8 mag in December (Dec. 12, Juan Jose Gonzalez). But it is fading rapidly now. It has already faded down to 15.8 mag (Feb. 3, Ken-ichi Kadota). It keeps observable in good condition for a long time. But it will be fainter than 18 mag in late February.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 10 37.94 17 8.7 0.613 1.578 160 16.4 1:35 ( 0, 72)
Feb. 13 10 34.06 19 17.6 0.642 1.619 166 16.9 1:04 ( 0, 74)
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It passed near by the earth in late February in 2009, and it reached up to 4.9 mag (Feb. 23, Juan Jose Gonzalez). Now it is 16.8 mag (Jan. 23, Ken-ichi Kadota). It will be low in the evening sky at 17-18 mag in spring.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 4 36.42 20 16.5 4.480 4.956 113 16.4 19:30 ( 0, 75)
Feb. 13 4 32.87 20 11.9 4.666 5.022 105 16.6 19:05 ( 5, 75)
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It brightened up to 6.7 mag in June (June 9, Marco Goiato). Now it is 15.2 mag (Jan. 15, Ken-ichi Kadota). A bit brighter than this ephemeris. It will be fading after this, and keeps observable until spring when it becomes fainter than 18 mag.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 13 8.36 43 42.3 2.610 3.266 124 16.4 4:05 (180, 81)
Feb. 13 12 54.54 47 1.2 2.625 3.329 128 16.7 3:24 (180, 78)
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Now it is 18.3 mag (Jan. 26, C. Rinner, F. Kugel). It will be getting brighter rapidly in the morning sky. It keeps observable bright as 9-10 mag for a long time from spring to autumn.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 17 7.05 -13 13.9 2.336 2.039 60 17.3 5:29 (316, 29)
Feb. 13 17 23.13 -13 29.4 2.230 1.996 63 16.8 5:23 (317, 30)
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Now it is 16.9 mag (Jan. 16, Ken-ichi Kadota). It keeps observable at 17 mag in good condition for a while. It will be fainter than 18 mag in June.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 2 20.05 16 11.1 1.602 1.747 81 16.9 18:59 ( 58, 60)
Feb. 13 2 32.59 18 12.5 1.636 1.719 77 16.9 19:05 ( 67, 58)
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Now it is 15.9 mag (Dec. 18, Ken-ichi Kadota). This comet tends to brighten after the perihelion passage. It will be observable at 16 mag in 2010 and 2011. It is brighter than this ephemeris recently.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 4 23.31 23 8.2 2.694 3.182 110 17.0 19:18 ( 0, 78)
Feb. 13 4 26.58 23 7.9 2.787 3.182 104 17.0 19:05 ( 12, 78)
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Now it is 17.6 mag (Jan. 31, Ken-ichi Kadota). It keeps observable at 17 mag until spring. It will reach up to 14 mag and will be observable in good condition in the next winter.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 7 1.36 71 27.9 3.990 4.573 120 17.4 21:54 (180, 54)
Feb. 13 6 40.62 69 57.0 3.994 4.525 116 17.4 21:06 (180, 55)
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Now it is 18.0 mag (Dec. 19, Ken-ichi Kadota). It keeps observable at 17 mag for a long time from 2010 to 2012.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 2 16.30 17 9.3 8.642 8.537 80 17.5 18:59 ( 60, 60)
Feb. 13 2 15.46 17 8.9 8.753 8.523 73 17.5 19:05 ( 70, 54)
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Now it is 17.9 mag (Jan. 19, W. Hasubick). It will be fainter than 18 mag in March.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 11 4.13 22 16.5 1.371 2.298 154 17.5 2:01 ( 0, 77)
Feb. 13 10 58.04 23 42.2 1.390 2.343 160 17.6 1:28 ( 0, 79)
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Fading slowly. Now it is 17.8 mag (Jan. 24, Ken-ichi Kadota). It will be fainter than 18 mag soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 9 42.35 8 26.7 1.871 2.848 170 17.7 0:40 ( 0, 63)
Feb. 13 9 35.12 8 47.7 1.916 2.901 174 17.8 0:05 ( 0, 64)
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Now it is 17.4 mag (Jan. 8, Ken-ichi Kadota). It will be fainter than 18 mag soon.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 9 48.06 35 43.0 2.130 3.071 158 17.8 0:46 (180, 89)
Feb. 13 9 42.66 36 7.4 2.146 3.080 157 17.9 0:13 (180, 89)
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Now it is 18.4 mag (Jan. 13, Ken-ichi Kadota). It will be observable at 17.5 mag in good condition in early 2010 and early 2011.
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 5 15.60 21 3.2 2.922 3.552 122 17.8 20:10 ( 0, 76)
Feb. 13 5 15.88 21 12.8 3.004 3.545 115 17.9 19:43 ( 0, 76)
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New periodic comet which brightened up to 14 mag in 2004 and 2005. It should be observable at 18 mag also around the aphelion. However, no observations have been reported since 2008 January. It seems to have faded out rapidly. Now it is fainter than 20.4 mag actually (Sept. 16, Leonid Elenin).
Date(TT) R.A. (2000) Decl. Delta r Elong. m1 Best Time(A, h)
Feb. 6 6 22.20 31 8.5 4.168 4.938 137 20.0 21:16 ( 0, 86)
Feb. 13 6 19.52 31 10.6 4.240 4.930 129 20.1 20:46 ( 0, 86)
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