Weekly Information about Bright Comets (2015 Jan. 3: North)

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 Updated on January 11, 2015
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Northern Hemisphere.
Azimuth indicates 0 for south, 90 for west, 180 for north, 270 for east.

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* C/2014 Q2 ( Lovejoy )

Now it is so bright as 4.4 mag (Jan. 2, Marco Goiato). It is visible with naked eyes. In the Northern Hemisphere, it keeps observable in good condition after this until the comet fades out. In the Southern Hemisphere, it is observable only until late January. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   4 49.94  -14 44.8   0.482   1.353   131    4.5  21:55 (  0, 42)  
Jan. 10   4  1.62    2 32.9   0.474   1.325   127    4.3  20:40 (  0, 59)

* 15P/Finlay

It brightened very rapidly in outburst up to 8.8 mag on Dec. 19 (Marco Goiato). It is bright as 10.4 mag still now (Dec. 28, Carlos Labordena). It keeps 9-10 mag until January. In the Northern Hemisphere, it will be geting higher gradually. In the Southern Hemisphere, it keeps locating extremely low after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  21 54.46  -13  0.1   1.407   0.981    44   10.2  18:30 ( 55, 22)  
Jan. 10  22 26.05   -9 15.6   1.394   0.997    45   10.0  18:35 ( 58, 25)

* C/2012 K1 ( PanSTARRS )

It brightened up to 6.9 mag in autumn (Oct. 17, Marco Goiato). Now it is fading. But it is bright as 11.0 mag still now (Dec. 29, Chris Wyatt). In the Northern Hemisphere, it keeps observable in the evening low sky until early February. It is getting lower also in the Southern Hemisphere, and will be unobservable temporarily in March. But it will be observable in good condition again after April. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   0  8.64  -33  0.0   2.378   2.223    68   10.6  18:30 ( 16, 20)  
Jan. 10   0  7.23  -30 53.8   2.576   2.306    63   10.9  18:35 ( 24, 20)

* C/2013 A1 ( Siding Spring )

The brightness evolution has slowed down before the perihelion passage, and it faded down to 11.6 mag in late October (Oct. 26, Todd Augustyniak). However, an outburst occured around Nov. 10-12, and it brightened by 2 mag. It is bright as 10.4 mag still now (Nov. 29, Seiichi Yoshida). In the Northern Hemisphere, it is getting higher rapidly in the morning sky, and it will be observable in excellent condition after this while the comet will be fading. In the Southern Hemisphere, it is not observable until mid February. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  17 58.99    1 38.2   2.524   1.716    27   10.9   5:38 (273,  6)  
Jan. 10  18  1.24    3 55.4   2.518   1.774    32   11.0   5:38 (274, 13)

* 88P/Howell

Now it is 15.1 mag (Dec. 16, Ken-ichi Kadota). It will brighten up to 8-9 mag in 2015 spring. In the Southern Hemisphere, it will be getting higher gradually after this. In the Northern Hemisphere, it keeps extremely low and hard to observe until June. It will be observable in good condition after June while the comet will be fading gradually. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  16 28.95  -21 26.6   2.419   1.684    33   12.0   5:38 (305,  9)  
Jan. 10  16 50.81  -22 20.0   2.347   1.643    35   11.7   5:38 (306, 10)

* 7P/Pons-Winnecke

Now it is 16.0 mag (Dec. 22, Ken-ichi Kadota). It will brighten very rapidly, and will brighten up to 11 mag from January to February. In the Southern Hemisphere, it will be observable in the morning sky after February while the comet will be fading. It is hardly observable in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  17 19.58  -16  6.8   2.132   1.285    22   12.6   5:38 (293,  4)  
Jan. 10  17 46.17  -17 39.5   2.108   1.265    23   12.2   5:38 (294,  3)

* C/2014 R1 ( Borisov )

Now it is so bright as 10.9 mag (Dec. 20, Marek Biely). It will be fading graudually after this. But it keeps observable for a long time until the comet fades out. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  15 15.21   -9 47.6   1.857   1.496    53   12.3   5:38 (310, 30)  
Jan. 10  15 34.38  -10 52.4   1.867   1.543    55   12.5   5:38 (313, 31)

* C/2014 Q3 ( Borisov )

It brightened rapidly, and reached up to 10.3 mag in autumn (Oct. 22, Bob King). Now it is fading rapidly. It has already faded down to 13.9 mag (Dec. 9, Mitsunori Tsumura). In the Northern Hemisphere, it keeps observable in good condition until the comet fades out in spring. It is not observable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  19 14.55   46 25.7   1.829   1.747    69   13.1  18:30 (131, 24)  
Jan. 10  19 20.68   44 45.2   1.919   1.779    66   13.7   5:38 (229, 20)

* C/2013 V5 ( Oukaimeden )

It brightened up to 6.5 mag in September (Sept. 21, Marco Goiato). Now it is fading. It has already faded down to 14.9 mag (Jan. 2, Taras Prystavski). It keeps observable in good condition after this, while the comet will be fading gradually. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  16  2.42   -3  7.3   2.440   1.888    45   13.2   5:38 (295, 27)  
Jan. 10  16  2.33   -1 40.8   2.422   1.989    52   13.4   5:38 (300, 33)

* C/2013 US10 ( Catalina )

Now it is 13.6 mag (Dec. 19, Chris Wyatt). Getting brighter than originally expected, and it is already visible visually. It is expected to brighten up to 4 mag from autumn to winter in 2015. It will be unobservable soon. In the Southern Hemisphere, it will be observable in good condition again after late March. In the Northern Hemisphere, it is hardly observable until 2015 December. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  22 25.00  -24 41.0   5.029   4.437    48   13.5  18:30 ( 41, 17)  
Jan. 10  22 26.98  -24 24.2   5.043   4.363    42   13.4  18:35 ( 47, 13)

* 32P/Comas Sola

Now it is 13.8 mag (Dec. 29, Chris Wyatt). It is fainter than originally predicted by 2 mag. In the Northern Hemisphere, it keeps observable at 14 mag in excellent condition from 2014 summer to 2015 spring. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  11 42.55   16 52.1   1.542   2.119   112   13.9   4:54 (  0, 72)  
Jan. 10  11 47.71   16 59.4   1.495   2.140   117   13.8   4:32 (  0, 72)

* 29P/Schwassmann-Wachmann 1

It is getting higher gradually in the morning sky. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  17  4.80  -29 50.8   6.958   6.081    25   14.1   5:38 (305, -2)  
Jan. 10  17 10.77  -29 58.9   6.904   6.079    30   14.1   5:38 (309,  1)

* C/2012 F3 ( PanSTARRS )

It is getting higher gradually in the morning sky. In 2015, it keeps 13 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)  
Jan.  3  17  2.12  -13 36.6   4.404   3.564    27   14.2   5:38 (293,  9)  
Jan. 10  17 12.78  -13 44.2   4.344   3.548    32   14.2   5:38 (296, 12)

* 19P/Borrelly

Now it is 16.2 mag (Dec. 12, Taras Prystavski). It will brighten up to 9 mag in 2015 spring. But the condition of this apparition is bad. It will be getting lower gradually, and will be unobservable in late January in the Northern Hemisphere, or in mid March in the Southern Hemisphere. In the Northern Hemisphere, it will be observable after 2015 autumn while the comet will be fading. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  22 17.19  -35 53.0   2.638   2.078    45   14.5  18:30 ( 36,  7)  
Jan. 10  22 31.81  -33 59.3   2.634   2.027    42   14.3  18:35 ( 40,  7)

* 201P/LONEOS

Now it is 14.8 mag (Dec. 12, Mike Wolle). It will be observable at 14 mag in excellent condition in winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   0 12.36    3 58.3   1.059   1.346    82   14.6  18:30 ( 31, 56)  
Jan. 10   0 31.61    6 51.3   1.082   1.340    80   14.6  18:35 ( 38, 56)

* 110P/Hartley 3

Now it is 14.2 mag (Dec. 20, Taras Prystavski). It keeps 15 mag until February, and it will be observable in excellent condition in the Northern Hemisphere. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   6 40.67   25 38.8   1.495   2.477   176   14.9  23:49 (  0, 81)  
Jan. 10   6 34.49   25  2.7   1.508   2.479   168   14.9  23:15 (  0, 80)

* C/2012 X1 ( LINEAR )

It brightened rapidly in outburst in mid October in 2013. Now it is fading. It has already faded down to 13.6 mag (Dec. 12, Taras Prystavski). In the Southern Hemisphere, it will be low temprarily from February to March. But it keeps observable in good condition for a long time after this until the comet fades out. It is not observable in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  22 48.17  -40 45.3   4.600   4.071    52   14.9  18:30 ( 28,  7)  
Jan. 10  22 56.28  -39 54.9   4.725   4.136    48   15.1  18:35 ( 32,  5)

* C/2014 N3 ( NEOWISE )

Now it is 14.5 mag (Dec. 24, Taras Prystavski). It keeps 15 mag for a long time from 2014 to 2015. It is observable in excellent condition in 2014 in the Southern Hemisphere, or in 2015 in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   0 11.93  -16 11.1   4.072   3.929    74   15.0  18:30 ( 21, 36)  
Jan. 10   0 13.89  -14 24.8   4.166   3.920    68   15.0  18:35 ( 30, 35)

* C/2014 AA52 ( Catalina )

Now it is 15.6 mag (Dec. 12, Taras Prystavski). The brightness evolution is somewhat slow. It keeps 15-16 mag for a long time from 2014 autumn to 2015 autumn. In the Southern Hemisphere, it keeps observable in excellent condition for a long time. In the Northern Hemisphere, it is unobservable until 2015 June. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   3 26.89  -74 38.2   2.102   2.113    77   15.0  20:30 (  0,-19)  
Jan. 10   2 22.79  -71  7.5   2.135   2.088    73   15.0  19:01 (  0,-16)

* C/2006 S3 ( LONEOS )

It brightened up to 11-12 mag in 2012. It has already faded down to 15.5 mag (Dec. 24, Taras Prystavski). It keeps observable at 15 mag in good condition until 2015 summer. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  12  5.63  -10 34.3   8.599   8.764    96   15.1   5:17 (  0, 44)  
Jan. 10  12  3.61  -10 33.5   8.513   8.802   103   15.1   4:48 (  0, 44)

* C/2014 A4 ( SONEAR )

Now it is 15.2 mag (Dec. 28, Taras Prystavski). It will brighten up to 14 mag from 2015 to 2016. It is observable in good 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)  
Jan.  3   3 21.08  -21  5.3   4.193   4.656   112   15.3  20:30 (  0, 34)  
Jan. 10   3 13.51  -19 49.7   4.262   4.631   106   15.3  19:55 (  0, 35)

* C/2014 Q1 ( PanSTARRS )

It will approach to the sun down to 0.3 a.u. in 2015 July, and it is expected to be bright. Now it is 15.3 mag (Dec. 20, Taras Prystavski). It keeps observable while the comet will be brightening gradually until January when the comet will be 15 mag. The condition is bad after that and it will be hard to observe. But in the Southern Hemisphere, it will be observable after mid July in 2015, and keeps observable while the comet will be fading gradually. In the Northern Hemisphere, it is extremely hard to observe after 2015. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  22 54.07  -22 14.7   3.737   3.280    55   15.5  18:30 ( 37, 23)  
Jan. 10  22 57.67  -21  8.7   3.738   3.190    49   15.4  18:35 ( 44, 20)

* C/2010 S1 ( LINEAR )

Now it is 14.5 mag (Nov. 19, Taras Prystavski). It will be unobservable temporarily in winter, but it will be observable at 15-16 mag in good condition again in 2015. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  18 41.82  -15  5.1   8.171   7.200     8   15.4   5:38 (280,-12)  
Jan. 10  18 44.46  -15 21.0   8.188   7.227    11   15.5   5:38 (284, -7)

* 117P/Helin-Roman-Alu 1

Now it is 15.2 mag (Dec. 20, Taras Prystavski). It will be unobservable soon. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  21 58.37  -20  3.6   3.991   3.342    43   15.4  18:30 ( 49, 17)  
Jan. 10  22  7.49  -19  7.0   4.069   3.355    38   15.5  18:35 ( 54, 14)

* 4P/Faye

Now it is 15.1 mag (Dec. 30, Mitsunori Tsumura). It keeps observable for a long time after this while the comet will be fading gradually. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   9 58.66    0  8.7   1.863   2.600   129   15.6   3:11 (  0, 55)  
Jan. 10   9 55.38    0 14.7   1.837   2.643   136   15.7   2:40 (  0, 55)

* 108P/Ciffreo

Now it is 13.8 mag (Dec. 20, Taras Prystavski). It keeps observable in excellent condition in the Northern Hemisphere. But it will be fading after this. It locates low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   5  1.19   38 50.0   0.935   1.859   151   15.6  22:10 (180, 86)  
Jan. 10   5  0.07   39 10.6   0.993   1.886   145   15.9  21:42 (180, 86)

* C/2013 V2 ( Borisov )

Now it is 15.5 mag (Dec. 13, Taras Prystavski). In the Northern Hemisphere, it keeps 15-16 mag and observable in excellent condition for a long time until early summer in 2015. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  13 22.24   32 41.7   3.342   3.585    96   15.7   5:38 (278, 78)  
Jan. 10  13 27.05   32 47.1   3.280   3.599   100   15.6   5:38 (287, 83)

* C/2014 R4 ( Gibbs )

Now it is 15.4 mag (Nov. 19, Taras Prystavski). Extremely diffuse. It will be fading after this, and will be fainter than 18 mag in late March. It keeps observable in excellent condition in the Southern Hemisphere. But it locates low in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   9 33.02  -26 47.0   1.397   2.041   116   15.8   2:45 (  0, 28)  
Jan. 10   9 26.68  -30  8.4   1.408   2.082   119   15.9   2:11 (  0, 25)

* C/2011 J2 ( LINEAR )

Now it is 15.3 mag (Dec. 19, Taras Prystavski). It is already unobservable in the Southern Hemisphere. It will be unobservable in mid February also in the Northern Hemisphere. But it will be observable again at 17 mag from summer to autumn. The fragment B is still visible at 18.3 mag (Dec. 31, E. Bryssinck). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  22 43.19   17 43.0   5.060   4.804    69   15.8  18:30 ( 74, 51)  
Jan. 10  22 46.22   16 50.9   5.210   4.846    63   15.9  18:35 ( 79, 45)

* C/2013 V4 ( Catalina )

Now it is 15.7 mag (Dec. 20, Taras Prystavski). It keeps observable at 15-16 mag for a long time from 2015 to 2016. In the Northern Hemisphere, it is observable in excellent condition. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   3  3.65   27 27.4   4.924   5.589   128   15.9  20:13 (  0, 83)  
Jan. 10   3  0.51   27 49.7   5.001   5.570   120   16.0  19:42 (  0, 83)

* 70P/Kojima

Now it is 16.3 mag (Dec. 20, Taras Prystavski). It will brighten up to 16 mag and will be observable in excellent condition in winter. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  12  1.38    4 45.3   1.633   2.095   103   16.1   5:13 (  0, 60)  
Jan. 10  12  8.21    4 36.7   1.575   2.112   109   16.1   4:52 (  0, 60)

* (3200) Phaethon

Now it is 15.3 mag (Nov. 27, Mt. Lemmon Survey). It will pass the perihelion on Mar. 15. In the Northern Hemispehre, it keeps observable in good condition until late February. In the Southern Hemisphere, it keeps observable until mid February, but it locates low. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   1 44.07   21 38.8   0.793   1.455   109   16.2  18:53 (  0, 77)  
Jan. 10   1 31.33   18 18.5   0.818   1.370    98   16.3  18:35 ( 18, 72)

* 269P/2012 R2 ( Jedicke )

Now it is 16.6 mag (Dec. 27, Takaaki Oribe). It will brighten up to 16 mag in winter, and will be observable in excellent condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   8 19.75   12 48.8   3.166   4.089   156   16.3   1:32 (  0, 68)  
Jan. 10   8 16.30   12 50.5   3.136   4.092   164   16.3   1:01 (  0, 68)

* C/2013 X1 ( PanSTARRS )

Now it is 15.8 mag (Dec. 19, Taras Prystavski). 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 good condition until 2015 spring when the comet will brighten up to 15.5 mag. In the Southern Hemisphere, it keeps low for a long time until 2016 spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   5 48.12   36 48.5   4.731   5.666   160   16.4  22:56 (180, 88)  
Jan. 10   5 38.84   36 45.4   4.709   5.603   153   16.3  22:20 (180, 88)

* 40P/Vaisala 1

Now it is 15.6 mag (Dec. 20, Taras Prystavski). It will be higher gradually, and will be observable at 16-17 mag in good condition from winter to spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  15 18.97   -9  7.6   2.307   1.883    52   16.4   5:38 (309, 30)  
Jan. 10  15 35.46   -9 46.2   2.273   1.903    55   16.5   5:38 (312, 31)

* 116P/Wild 4

Now it is 17.8 mag (Dec. 29, K. Hills). It will brighten up to 13 mag in 2016. In the Northern Hemisphere, it will be observable in excellent condition in this winter. It locates somewhat low in the Southern Hemisphere. It is fainter than this ephemeris recently. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   6  5.96   28 23.9   2.235   3.203   168   16.6  23:14 (  0, 83)  
Jan. 10   5 59.54   28 23.6   2.236   3.178   160   16.5  22:40 (  0, 83)

* 284P/2013 J1 ( McNaught )

It brightened up to 13.7 mag in autumn (Sept. 16, Taras Prystavski). Now it is fading. But it is bright as 15.9 mag still now (Dec. 20, Taras Prystavski). It keeps observable until March when it becomes fainter than 18 mag. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   0 24.33   -8 55.3   2.408   2.439    80   16.7  18:30 ( 19, 44)  
Jan. 10   0 33.70   -7 43.7   2.506   2.456    75   16.8  18:35 ( 28, 43)

* 305P/2014 N1 ( Skiff )

First return of a new periodic comet discovered in 2004. It brightened very rapidly as expected. Now it is 16.2 mag (Dec. 20, Taras Prystavski). It will be fading rapidly after this, and will be fainter than 18 mag in late January. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   1  9.43    8  7.4   1.019   1.500    97   16.9  18:30 (  5, 63)  
Jan. 10   1 31.58    8 53.4   1.087   1.531    95   17.2  18:35 ( 12, 64)

* P/2014 X1 ( Elenin )

Now it is 16.7 mag (Dec. 13, Taras Prystavski). It keeps 17 mag until January, and it will be observable in excellent condition in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   4 49.37   49 37.8   0.926   1.816   144   17.0  21:58 (180, 75)  
Jan. 10   4 45.54   51 18.5   0.962   1.815   137   17.1  21:27 (180, 74)

* C/2014 W2 ( PanSTARRS )

Now it is 16.9 mag (Dec. 26, Taras Prystavski). It keeps 13 mag for a long time from 2015 to 2016, and will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it is observable only until mid 2015 March. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   4  3.32   19 25.2   4.197   4.995   140   17.1  21:12 (  0, 74)  
Jan. 10   3 57.70   19 56.3   4.229   4.943   132   17.1  20:39 (  0, 75)

* (347449) 2012 TW236

First return of a peculiar asteroid 1998 HO121. It keeps observable at 17-18 mag from 2015 to 2016. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   7 12.88    6  3.9   2.327   3.278   162   17.1   0:26 (  0, 61)  
Jan. 10   7  8.75    6 14.5   2.302   3.258   163   17.1  23:49 (  0, 61)

* C/2013 G9 ( Tenagra )

Now it is 16.0 mag (Jan. 3, Taras Prystavski). It keeps 17-18 mag for a long time from 2014 to 2016. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  13 18.07  -21 45.1   5.488   5.338    76   17.2   5:38 (346, 32)  
Jan. 10  13 15.29  -22 15.5   5.358   5.338    83   17.1   5:38 (354, 32)

* P/2014 L2 ( NEOWISE )

It brightened up to 13.8 mag from summer to autumn (Sept. 16, Taras Prystavski). Now it is fading rapidly. It has already faded down to 17.1 mag (Dec. 19, Taras Prystavski). It keeps observable in good condition until February when the comet will be fainter than 18 mag. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   0 35.06   -1 16.4   2.610   2.715    85   17.3  18:30 ( 19, 52)  
Jan. 10   0 43.28   -0 18.9   2.732   2.750    80   17.5  18:35 ( 29, 51)

* 119P/Parker-Hartley

Now it is 18.1 mag (Dec. 26, D. Buczynski). It was observed at 17 mag from 2013 to early 2014. It will be observable at 17.5 mag in good condition again from autumn to winter in 2014. But recently, it is fainter than this ephemeris. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   8 32.04   12 44.9   2.433   3.346   154   17.3   1:45 (  0, 68)  
Jan. 10   8 27.63   12 50.9   2.411   3.361   162   17.3   1:13 (  0, 68)

* C/2012 K8 ( Lemmon )

Now it is 16.9 mag (Oct. 30, Toshiyuki Takahashi). It keeps observable at 17-18 mag for a long time from 2013 to 2016. It keeps locating high in the Northern Hemisphere. It keeps locating very low in the Southern Hemipshere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  17 15.81   44 58.5   6.776   6.529    71   17.3   5:38 (236, 36)  
Jan. 10  17 18.56   45 42.2   6.748   6.536    73   17.3   5:38 (236, 40)

* 22P/Kopff

Now it is 17.9 mag (Dec. 30, Catalina Sky Survey). It will brighten up to 11 mag in 2015 autumn. In this apparition, it is observable until the highlight while the comet is brightening. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  12 51.78   -1 15.0   2.828   2.989    89   17.5   5:38 (349, 53)  
Jan. 10  12 57.28   -1 35.6   2.689   2.949    95   17.3   5:38 (359, 53)

* C/2009 F4 ( McNaught )

Now it is between 16.2 mag (Dec. 20, Taras Prystavski) and 20.5 mag (Dec. 20, B. Lutkenhoner). Extremely diffuse, and hard to observe. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   3 11.48   -2 55.6   8.826   9.361   120   17.4  20:21 (  0, 52)  
Jan. 10   3  9.77   -2 31.7   8.961   9.397   113   17.4  19:51 (  0, 53)

* C/2013 U2 ( Holvorcem )

Now it is 17.8 mag (Dec. 30, G. Linan). It was observed around 17-18 mag in early 2014. It will be observable around 17-18 mag again from 2014 autumn to 2015 spring, in excellent 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)  
Jan.  3  10 56.12   56 10.4   4.517   5.143   124   17.4   4:08 (180, 69)  
Jan. 10  10 53.79   56 33.0   4.479   5.149   128   17.4   3:38 (180, 69)

* 65P/Gunn

Now it is 18.3 mag (Dec. 20, S. Hellmich, S. Mottola, O. Tiefenbacher). Now it is around the aphelion. In the Northern Hemisphere, it is observable at 18 mag in good condition from winter to spring. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   9 14.28   26 35.6   3.789   4.650   147   17.7   2:27 (  0, 82)  
Jan. 10   9 10.68   27  3.3   3.730   4.641   155   17.7   1:56 (  0, 82)

* C/2014 W6 ( Catalina )

Now it is 17.9 mag (Dec. 29, Catalina Sky Survey). It keeps observable at 17 mag from winter to spring. It is 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)  
Jan.  3  11 54.20   -9 57.8   2.870   3.180    99   17.8   5:06 (  0, 45)  
Jan. 10  11 53.76  -12  0.8   2.759   3.166   105   17.7   4:38 (  0, 43)

* 17P/Holmes

It brightened up to 2 mag by unusual major outburst in 2007. It brightened up to 12.6 mag in this apparition (June 25, Taras Prystavski). Now it is fading. It has already faded down to 16.8 mag (Dec. 20, Taras Prystavski). In the Northern Hemisphere, it keeps observable until it fades out in 2015. In the Southern Hemisphere, it keeps extremely low after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   4  5.17   46 19.0   2.074   2.890   139   17.7  21:14 (180, 79)  
Jan. 10   4  3.12   45 12.5   2.156   2.920   133   18.0  20:45 (180, 80)

* C/2014 W11 ( PanSTARRS )

Now it is 16.7 mag (Dec. 22, Taras Prystavski). It keeps observable at 17 mag in good condition from winter to spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   9 20.33   11 24.1   2.806   3.640   142   17.9   2:33 (  0, 66)  
Jan. 10   9 17.89   11  8.1   2.734   3.623   150   17.8   2:03 (  0, 66)

* 191P/McNaught

Now it is 17.2 mag (Dec. 28, Mt. Lemmon Survey). It keeps observable at 17-18 mag from summer to winter in excellent condition in the Northern Hemisphere. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3   6 40.78   21 39.4   1.714   2.697   177   17.8  23:49 (  0, 77)  
Jan. 10   6 34.44   22  8.9   1.755   2.726   168   18.0  23:15 (  0, 77)

* C/2013 TW5 ( Spacewatch )

It keeps 18 mag from 2014 to 2015. In 2015, it keeps observable in good condition from winter to spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Jan.  3  11  0.52   -7 57.0   5.473   5.912   111   17.9   4:12 (  0, 47)  
Jan. 10  10 59.79   -8 31.6   5.384   5.920   118   17.9   3:44 (  0, 46)

* C/2013 C2 ( Tenagra )

Now it is 18.8 mag (Dec. 20, K. Hills). It keeps 18 mag for a very long time from 2013 to 2018. It locates high 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)  
Jan.  3  12 21.92  -22 46.1   9.159   9.175    87   17.9   5:34 (  0, 32)  
Jan. 10  12 22.68  -23  3.0   9.046   9.173    94   17.9   5:07 (  0, 32)

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