Weekly Information about Bright Comets (2014 May 10: North)

Japanese version
Home page
Updated on May 11, 2014
Last week South Next week

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.

---------------------------------------------------------------------

* C/2014 E2 ( Jacques )

Now it is so bright as 7.7 mag (May 4, Marco Goiato). It will approach to the sun down to 0.66 a.u. in July, and it is expected to brighten up to 4-5 mag. Before the perihelion passage, it keeps observable until mid May in the Northern Hemisphere, or until early June in the Southern Hemisphere. After the perihelion passage, it will be observable in excellent condition after late July in the Northern Hemisphere. In the Southern Hemisphere, it keeps unobservable until early September.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   7 11.67    0 43.8   1.326   1.241    62    8.0  20:28 ( 77, 19)  
May  17   6 59.29    4  9.8   1.429   1.138    52    7.6  20:36 ( 88, 11)  

* C/2012 X1 ( LINEAR )

It brightened rapidly in outburst in mid October. Now it is bright as 7.9 mag (May 3, Seiichi Yoshida). It keeps 8-9 mag until early summer. In the Northern Hemishpere, it keeps observable in the morning sky until July. In the Southern Hemisphere, it keeps observable in good condition for a long time until the comet fades out.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  21 46.62  -12 49.7   1.711   1.902    84    8.6   3:24 (307, 24)  
May  17  21 56.85  -14 46.6   1.677   1.952    89    8.6   3:16 (311, 24)  

* C/2012 K1 ( PanSTARRS )

Now it is bright as 8.6 mag (May 3, Carlos Labordena). The brightening is somewhat slow, but it is expected to brighten up to 6-7 mag in 2014 autumn. It keeps observable in good condition for a long time in the Northern Hemisphere. It keeps locating low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  12 37.78   49 27.0   1.481   2.002   105    8.9  21:22 (180, 76)  
May  17  11 54.49   48  5.3   1.517   1.919    96    8.8  20:36 (162, 76)  

* C/2013 R1 ( Lovejoy )

It passed only 0.4 A.U. from the earth, and 0.8 A.U. from the sun in November and December, and brightened up to 4.7 mag (Nov. 28, Juan Jose Gonzalez). Now it is 11.4 mag (May 4, Carlos Labordena). It keeps observable until 2014 autumn when the comet fades out.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  17 28.15  -17 18.6   1.483   2.389   146   10.9   2:19 (  0, 38)  
May  17  17 12.26  -19  9.3   1.516   2.478   156   11.1   1:36 (  0, 36)  

* 4P/Faye

The condition in this apparition is bad. It locates low around the brightest days. Now it is not observable. It will appear in the morning sky at 13 mag in late July.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   2 28.06   13 12.5   2.651   1.667    10   12.3   3:24 (242,-14)  
May  17   2 48.31   14 23.3   2.636   1.660    11   12.2   3:16 (241,-14)  

* C/2013 A1 ( Siding Spring )

Now it is 14.3 mag (Mar. 30, Taras Prystavski). It is expected to brighten up to 7.5 mag and to be observable in excellent condition from summer to autumn in 2014 in the Southern Hemisphere. It keeps observable for a long time in the Southern Hemisphere, although it becomes low temporarily in May. It keeps unobservable for a while in the Northern Hemisphere. It will pass extremely close to Mars in 2014 October.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   2 54.39  -23 26.6   3.343   2.665    41   12.6   3:24 (272,-41)  
May  17   2 57.85  -23 16.3   3.233   2.593    43   12.4   3:16 (274,-38)  

* 2013 UQ4

Cometary activity began. Now it is bright as 13.5 mag (May 7, A. Novichonok and T. Prystavski). It will brighten up to 7 mag in July, and will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it is not observable temporarily in mid July, but it is observable before and after mid July.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   1  9.84   -6 28.8   2.073   1.412    37   13.7   3:24 (270,-11)  
May  17   1  9.75   -5  4.1   1.895   1.346    43   13.1   3:16 (272, -6)  

* 29P/Schwassmann-Wachmann 1

New outburst occured on May 2. Now it is bright as 13.0 mag (May 3, Seiichi Yoshida).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  15 43.10  -30 44.4   5.165   6.143   164   13.5   0:34 (  0, 24)  
May  17  15 39.58  -30 34.2   5.147   6.142   168   13.5   0:03 (  0, 24)  

* 17P/Holmes

It brightened up to 2 mag by unusual major outburst in 2007. It is coming back now. It will be 14 mag at best by normal prediction. But actually, it is already very bright as 13.5 mag (Nov. 25, Hidetaka Sato). Appearing in the morning sky. 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)  
May  10   1  2.04   16 22.2   2.900   2.085    29   13.5   3:24 (253,  4)  
May  17   1 16.11   18 25.3   2.874   2.094    32   13.5   3:16 (252,  6)  

* 209P/LINEAR

Now it is 15.5 mag (Apr. 23, Hiroshi Abe). It will approach to the earth down to 0.06 a.u. from May to June, and it is expected to brighten up to 11 mag. In the Northern Hemisphere, it keeps observable in excellent condition until the highlight in late May while the comet will be brightening rapidly. In the Southern Hemisphere, it is not observable now. But it will be observable in mid May. Then it keeps observable in excellent condition at the highlight and after that while the comet will be fading.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   8 54.60   64  7.5   0.194   0.971    73   14.4  20:28 (152, 52)  
May  17   9 28.00   56 22.4   0.132   0.981    73   13.6  20:36 (139, 55)  

* 134P/Kowal-Vavrova

Now it is bright as 12.6 mag (May 3, Seiichi Yoshida). It keeps observable at 13 mag in excellent condition from spring to summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  13 53.21   -9 40.2   1.599   2.573   160   13.7  22:40 (  0, 45)  
May  17  13 51.19   -9 15.6   1.628   2.572   153   13.8  22:11 (  0, 46)  

* 117P/Helin-Roman-Alu 1

Now it is 15.2 mag (Apr. 7, Katsumi Yoshimoto). 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)  
May  10  20 56.26  -25 16.5   2.729   3.064    99   13.9   3:24 (326, 21)  
May  17  21  1.09  -25 23.5   2.641   3.067   105   13.9   3:16 (329, 23)  

* C/2013 Y2 ( PanSTARRS )

Brightened rapidly. Now it is 14.0 mag (Mar. 28, Sandor Szabo). It will brighten up to 13-14 mag and will be observable in excellent condition from spring to summer in the Southern Hemisphere. It locates somewhat low in the Northern Hemispehre.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   8 54.49  -17 18.5   1.646   1.966    92   14.0  20:28 ( 44, 25)  
May  17   9  9.19  -16 40.1   1.670   1.949    89   13.9  20:36 ( 49, 22)  

* C/2013 V1 ( Boattini )

Now it is 13.7 mag (Apr. 18, Taras Prystavski). It keeps 14 mag for a long time until 2014 summer. It keeps observable in good condition in the Northern Hemisphere. It keeps unobservable after this in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   4 52.09   59 34.9   2.211   1.680    46   14.0  20:28 (147, 24)  
May  17   5 21.96   62  4.2   2.220   1.696    46   14.0  20:36 (150, 25)  

* C/2010 S1 ( LINEAR )

Now it is 13.4 mag (Apr. 8, Taras Prystavski). It keeps bright at 13-14 mag for a long time until 2014.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  19 49.76    4  0.0   6.039   6.407   106   14.0   3:24 (326, 54)  
May  17  19 46.39    3 48.7   5.950   6.426   113   14.0   3:16 (335, 57)  

* C/2006 S3 ( LONEOS )

It brightened up to 11-12 mag in 2012. Now it is 14.5 mag (Apr. 30, Sandor Szabo). It will be observable in good condition at 14 mag until 2014 early summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  12  6.23   -8 45.7   6.779   7.531   135   14.1  20:53 (  0, 46)  
May  17  12  2.31   -8 19.4   6.906   7.566   127   14.1  20:36 (  5, 46)  

* 300P/2014 G2 ( Catalina )

Now it is very bright as 12.9 mag (Apr. 30, Taras Prystavski). It brightened up to 9 mag at the discovery in 2005. It will approach to the sun down to 0.8 a.u. on May 29. However, it will brighten up to 13-14 mag at best. In this apparition, it keeps observable in the morning sky all through the period. But it locates extremely low around the perihelion passage in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  23 41.80   -3  2.5   0.909   0.882    54   14.5   3:24 (280,  9)  
May  17   0 20.21    0 11.9   0.956   0.850    51   14.3   3:16 (275,  7)  

* 290P/2013 N1 ( Jager )

First return of a new periodic comet discovered in 1998. It brightened up to 10 mag at the discovery. Now it is 13.3 mag (Apr. 30, Sandor Szabo). A bit fainter than originally expected. But in the Northern Hemisphere, it keeps observable in excellent condition from autumn to spring. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   8  3.37   13  5.7   2.333   2.225    71   14.3  20:28 ( 80, 37)  
May  17   8 15.80   11 53.7   2.419   2.242    67   14.4  20:36 ( 82, 31)  

* C/2011 J2 ( LINEAR )

Now it is bright as 13.9 mag (Mar. 29, Sandor Szabo). It keeps 13-14 mag and observable in good condition in the Northern Hemisphere for a long time from 2013 to 2014. In the Southern Hemisphere, it is not observable until 2014 autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   1  9.55   51 43.6   4.361   3.664    41   14.6   3:24 (221, 22)  
May  17   1 13.34   51 44.6   4.367   3.686    42   14.6   3:16 (222, 24)  

* C/2012 F3 ( PanSTARRS )

Now it is 13.3 mag and already visible visually (May 3, Seiichi Yoshida). It is expected to brighten up to 13 mag and to be observable in good condition in 2015. In 2014, it keeps observable in good condition from winter to summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  13 41.41    0 13.8   3.650   4.570   152   14.9  22:28 (  0, 55)  
May  17  13 39.11    0 29.9   3.660   4.531   145   14.9  21:59 (  0, 55)  

* C/2013 V5 ( Oukaimeden )

Now it is 14.9 mag (Apr. 18, Taras Prystavski). It is expected to brighten up to 5 mag in 2014 autumn. Now it is not observable. It will be observable again in July in the Southern Hemisphere, or in August in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   4 57.77   18  7.0   3.368   2.505    26   15.1  20:28 (111,  2)  
May  17   5  1.04   17 56.3   3.331   2.411    20   14.9  20:36 (115, -4)  

* (596) Scheila

Big asteroid discovered in 1906. It suddenly showed the cometary activity on Dec. 11, 2010, probably due to an impact of a small object. It has already turned to be stellar.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   2 43.69    9 33.8   4.323   3.332     9   15.0   3:24 (242,-20)  
May  17   2 52.59   10 24.2   4.314   3.338    13   15.1   3:16 (243,-17)  

* 32P/Comas Sola

Now it is 17.5 mag (Nov. 24, Y. Sugiyama). Brighter than origianlly predicted. Now it is not observable. In the Northern Hemisphere, it will appear in the morning sky in late July. Then it will be observable at 12-13 mag in excellent condition from 2014 summer to 2015 spring. In the Southern Hemisphere, it will locate low around the highlight.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   3 12.16   16 56.9   3.455   2.446     1   15.5  20:28 (127,-18)  
May  17   3 25.75   18  4.4   3.424   2.414     2   15.4   3:16 (232,-18)  

* P/2012 B1 ( PanSTARRS )

Now it is 15.2 mag (Apr. 22, Taras Prystavski), brighter than origianlly predicted. It will be observable at 14-16 mag for a long time from 2013 to 2014.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  16  9.18  -25 19.1   3.173   4.151   163   15.7   1:00 (  0, 30)  
May  17  16  5.10  -25 19.0   3.164   4.165   170   15.7   0:29 (  0, 30)  

* P/2014 E1 ( Larson )

Brightening rapidly. Now it is 15.7 mag (Apr. 22, Taras Prystavski). It will start fading after June, and will be fainter than 18 mag in August.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  14  1.14  -13  2.6   1.155   2.143   163   16.3  22:48 (  0, 42)  
May  17  13 55.60  -13 55.9   1.178   2.142   155   16.3  22:15 (  0, 41)  

* C/2012 K6 ( McNaught )

It brightened up to 14.0 mag from spring to summer in 2013 (June 11, Sandor Szabo). Now it is 15.7 mag, much brighter than origianlly predicted (Apr. 24, Taras Prystavski). In the Northern Hemisphere, it will be observable at 15-16 mag in excellent condition until spring. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  11 45.13   36 18.3   4.228   4.644   108   16.5  20:32 (180, 89)  
May  17  11 39.26   36 30.4   4.379   4.686   101   16.6  20:36 (103, 82)  

* C/2011 KP36 ( Spacewatch )

Now it is 17.9 mag (Mar. 9, W. Hasubick). Distant object, but it keeps observable at 14 mag for a long time from 2015 to 2016.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  19 21.02   -2 41.1   6.634   7.133   115   16.6   3:24 (341, 51)  
May  17  19 20.68   -2 27.7   6.510   7.100   122   16.6   3:16 (349, 52)  

* 124P/Mrkos

It approached to the earth down to 0.68 a.u. in spring, and brightened up to 15.6 mag (Mar. 29, Taras Prystavski). Now it is fading. It has already faded down to 16.8 mag (Apr. 23, E. Arce). It will be fainter than 18 mag in June.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  10 35.24  -11 10.9   0.979   1.670   114   16.9  20:28 ( 21, 41)  
May  17  10 39.05  -13 46.2   1.049   1.683   109   17.0  20:36 ( 29, 36)  

* C/2013 G3 ( PanSTARRS )

Now it is 16.5 mag (Apr. 16, Taras Prystavski). It keeps 17 mag for a long time from 2014 to 2015. It is observable in excellent condition in the Northern Hemisphere. It is observable only until 2014 summer in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  16  6.27   29 20.5   3.457   4.189   130   16.9   0:57 (  0, 84)  
May  17  16  2.26   30 47.0   3.449   4.166   129   16.9   0:25 (  0, 86)  

* 52P/Harrington-Abell

It brightened up to 14.7 mag in winter (Jan. 19, Taras Prystavski). Now it is fading. It has already faded down to 16.4 mag (Apr. 20, Taras Prystavski). It will be fainter than 18 mag in June.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10   8  1.83   21 58.5   1.979   1.871    68   16.9  20:28 ( 90, 41)  
May  17   8 18.60   20 32.7   2.056   1.893    66   17.1  20:36 ( 91, 36)  

* C/2013 US10 ( Catalina )

It is expected to brighten up to 4-5 mag from autumn to winter in 2015. It already locates high in the Southern Hemisphere. It will be getting higher gradually also in the Northern Hemisphere. It is observable in good condition in the Southern Hemisphere until the highlight, or in the Northern Hemisphere after the highlight.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  23 56.94  -11 18.9   7.234   6.705    54   17.1   3:24 (284,  1)  
May  17  23 58.91  -11 21.0   7.072   6.644    61   17.0   3:16 (287,  4)  

* C/2013 G9 ( Tenagra )

Now it is 17.0 mag (Apr. 5, J. F. Hernandez). 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)  
May  10  14 13.18  -11 47.5   4.665   5.649   165   17.1  23:00 (  0, 43)  
May  17  14  4.40  -11 32.3   4.688   5.633   157   17.1  22:23 (  0, 43)  

* C/2012 K8 ( Lemmon )

Now it is 17.5 mag (Apr. 5, N. James). It keeps observable at 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)  
May  10  18 59.49   44 35.8   6.274   6.499    98   17.1   3:24 (205, 79)  
May  17  18 53.64   45 51.7   6.229   6.495   100   17.1   3:16 (180, 79)  

* C/2012 V2 ( LINEAR )

It became much brighter than expected, and reached up to 8.5 mag (Aug. 15, Alexandre Amorim). Now it is fading rapidly. It has already faded down to 17.5 mag (Apr. 23, K. Hills). In the Southern Hemisphere, it will keep observable in good condition for a long time until 2014 summer when the comet fades out. It will never be observable again in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  15 28.34  -69 30.2   2.940   3.648   127   17.2   0:21 (  0,-15)  
May  17  15 12.46  -68  9.4   2.975   3.717   130   17.4  23:31 (  0,-13)  

* 280P/2013 C1 ( Larsen )

It was observed at 17.5 mag in early 2013. It will be observable at 17.5 mag again from spring to summer in 2014.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  19 41.98  -12 36.1   2.263   2.824   113   17.3   3:24 (338, 40)  
May  17  19 43.90  -12 34.4   2.198   2.840   119   17.2   3:16 (344, 41)  

* C/2013 G7 ( McNaught )

Now it is 18.2 mag (Apr. 22, D. Herald). It keeps 17-18 mag for a long time from 2013 to 2014. It is observable in excellent condition in the Southern Hemisphere. It is not observable in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  11 33.22  -57 15.4   4.055   4.696   124   17.3  20:28 (  1, -2)  
May  17  11 20.52  -56 14.2   4.105   4.701   120   17.3  20:36 (  8, -2)  

* 284P/2013 J1 ( McNaught )

First return of a new periodic comet which brightened up to 13 mag in 2007. It was expected to brighten up to 13 mag again and observable in good condition from summer to autumn in 2014. But actually, it is 18.3 mag, much fainter than expected (Apr. 2, Taras Prystavski). It will be 16 mag at best actually.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  22 19.87   -7 21.6   2.480   2.423    74   17.7   3:24 (297, 22)  
May  17  22 30.36   -6 41.8   2.386   2.408    79   17.6   3:16 (298, 24)  

* 299P/2014 D2 ( Catalina-PanSTARRS )

Now it is 17.9 mag (Apr. 6, Ken-ichi Kadota). It keeps 17 mag for a long time until 2015.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  10 47.00   -5 49.4   2.897   3.456   115   17.7  20:28 ( 20, 47)  
May  17  10 48.69   -5 36.1   2.971   3.443   109   17.7  20:36 ( 31, 44)  

* P/2014 C1 ( TOTAS )

Now it is 17.1 mag (Apr. 14, A. Maury, J.-G. Bosch, T. Noel, J.-F. Soulier). It keeps 17-18 mag until June.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  18 46.30  -18 41.9   1.294   2.074   127   17.7   3:24 (356, 36)  
May  17  18 45.25  -18 33.7   1.266   2.106   134   17.7   3:08 (  0, 36)  

* P/2005 L1 ( McNaught )

First return of a new periodic comet discovered in 2005. It was expected to be observable at 17 mag for a long time from 2013 to 2014. However, it has not been recovered yet. Actually, it is much fainter than predicted, fainter than 20 mag (Aug. 6, Jean-Francois Soulier).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  22 34.44   -9 10.0   3.403   3.242    72   17.9   3:24 (296, 18)  
May  17  22 41.05   -8 41.8   3.317   3.249    77   17.8   3:16 (298, 21)  

* 296P/2014 A1 ( Garradd )

Now it is 18.5 mag (Mar. 31, Hidetaka Sato). It is observable at 18 mag in good condition from spring to summer.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  21  1.42   -5  3.5   1.596   1.929    92   17.9   3:24 (312, 37)  
May  17  21  8.09   -2 27.5   1.548   1.948    96   17.8   3:16 (313, 41)  

* 44P/Reinmuth 2

It is predicted to keep 16-17 mag for a long time from 2014 summer to early 2016. However, now it is 20.5 mag, much fainter than predicted (May 1, A. Maury, J.-G. Bosch, J.-F. Soulier, T. Noel).

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  17 31.39  -27 52.6   2.185   3.068   145   18.0   2:22 (  0, 27)  
May  17  17 27.87  -27 48.2   2.105   3.039   152   17.9   1:51 (  0, 27)  

* 174P/(60558) 2000 EC98 ( Echeclus )

Now it is 17.8 mag (Apr. 26, A. Maury, J.-F. Soulier). It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. It will pass the perihelion in 2015. 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)  
May  10  21 14.97  -12 38.0   5.933   6.050    91   17.9   3:24 (314, 29)  
May  17  21 16.83  -12 27.5   5.816   6.041    98   17.9   3:16 (318, 32)  

* 294P/2013 X2 ( LINEAR )

Now it is 17.6 mag (Mar. 28, A. Maury, J.-F. Soulier, T. Noel, J.-G. Bosch). It keeps 18 mag from spring to summer. It is observable in good condition in the Southern Hemisphere. It is not observable in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  17 13.00  -65 52.1   0.668   1.511   127   17.9   2:04 (  0,-11)  
May  17  17  5.22  -64 49.8   0.680   1.551   131   17.9   1:29 (  0,-10)  

* C/2013 C2 ( Tenagra )

Now it is 18.1 mag (Mar. 29, M. Jaeger, W. Vollmann, E. Prosperi, S. Prosperi). 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)  
May  10  10 55.40  -16 29.2   8.752   9.301   120   17.9  20:28 ( 14, 37)  
May  17  10 55.53  -16 12.2   8.838   9.297   114   17.9  20:36 ( 24, 35)  

* C/2013 H2 ( Boattini )

Now it is 18.1 mag (Apr. 20, Catalina Sky Survey). It keeps 18 mag for a long time from 2013 to 2014.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  15 59.50   17 26.0   6.701   7.529   142   17.9   0:50 (  0, 72)  
May  17  15 54.17   18  8.5   6.707   7.533   142   17.9   0:18 (  0, 73)  

* 297P/2014 D1 ( Beshore )

Now it is 19.4 mag (Apr. 4, A. Waszczak). First return of a new periodic comet which brightened up to 13 mag in outburst in 2008. It will be observable in good condition from spring to summer. However, it will be only 19-20 mag at best in this apparition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
May  10  12 10.25   14 54.1   1.717   2.449   125   19.5  20:58 (  0, 70)  
May  17  12 10.39   14 13.1   1.771   2.437   119   19.5  20:36 (  4, 69)  

---------------------------------------------------------------------

Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.