Weekly Information about Bright Comets (2016 Aug. 27: South)

Japanese version
Home page
Updated on August 28, 2016
Last week North Next week

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

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

* C/2013 X1 ( PanSTARRS )

It brightened up to 6.2 mag in June (June 24, Marco Goiato). Now it is fading. It has already faded down to 11.1 mag (Aug. 20, Thomas Lehmann). It it not observable already in the Northern Hemisphere. In the Southern Hemisphere, it will be getting lower after this, and will be unobservable in October.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  14 18.15  -28 42.0   2.401   2.240    68   10.4  19:01 ( 86, 50)  
Sept. 3  14 19.19  -28 17.5   2.606   2.313    62   10.7  19:06 ( 82, 44)  

* 9P/Tempel 1

Now it is 12.6 mag (Aug. 20, Thomas Lehmann). It will be fading gradually after this. In the Northern Hemisphere, it keeps low for a long time after this.. In the Southern Hemisphere, it keeps observable in good condition for a long time.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  14 47.66  -18 53.5   1.558   1.561    71   11.8  19:01 (104, 52)  
Sept. 3  15  7.50  -20 58.3   1.609   1.573    69   12.0  19:06 ( 99, 51)  

* 43P/Wolf-Harrington

Now it is 12.3 mag (Aug. 12, Chris Wyatt). It is observable at 12 mag from summer to autumn, but it keeps low for some time.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   7 43.95   18  1.0   1.981   1.360    39   12.0   5:01 (241,  9)  
Sept. 3   8  6.86   15 54.3   1.969   1.368    40   12.1   4:52 (243,  9)  

* 81P/Wild 2

Now it is 11.1 mag (July 31, Chris Wyatt). It is not observable now in the Northern Hemisphere. It will be unobservable soon also in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  12 13.68    0 38.7   2.444   1.636    29   12.3  19:01 ( 98, 10)  
Sept. 3  12 32.60   -1 20.4   2.482   1.653    27   12.5  19:06 ( 94,  8)  

* 237P/LINEAR

It brightened rapidly up to 13.1 mag (Aug. 12, A. Diepvens). It will be observable at 12-13 mag until autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  14 45.02  -14 31.6   2.139   2.018    69   12.5  19:01 (109, 49)  
Sept. 3  14 59.21  -14 57.2   2.195   2.009    66   12.4  19:06 (105, 46)  

* C/2014 S2 ( PanSTARRS )

It brightened up to 8-9 mag from winter to spring. Now it is fading. It has already faded down to 12.9 mag (July 23, Chris Wyatt). It is not observable now. It will appear in the morning sky at 14 mag in November in the Northern Hemisphere, or in December in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  12  1.31    9 11.6   4.478   3.580    24   12.9  19:01 (103,  2)  
Sept. 3  12  6.95    7 41.4   4.574   3.637    19   13.0  19:06 ( 98, -2)  

* 29P/Schwassmann-Wachmann 1

Outburst occured on July 28. Now it is bright as 12.0 mag (Aug. 11, Juan Jose Gonzalez). It is observable in excellent condition in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  19 17.08  -25 36.7   5.170   5.909   133   13.4  20:53 (180, 81)  
Sept. 3  19 15.72  -25 30.7   5.254   5.907   126   13.4  20:24 (180, 80)  

* C/2015 TQ209 ( LINEAR )

It will brighten up to 13 mag in summer. But it keeps unobservable for a long time. It will appear in the morning sky in December, when the comet will be fainter than 15 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   9 55.18    5 42.1   2.406   1.413     8   13.4   5:01 (270,-10)  
Sept. 3  10 18.75    3 39.1   2.406   1.416     8   13.4   4:52 (272,-10)  

* C/2016 A8 ( LINEAR )

Now it is so bright as 12.1 mag (Aug. 23, Thomas Lehmann). It is observable in excellent condition in the Northern Hemispehre. In the Southern Hemisphere, it keeps locating low until August, but it will be observable in good condition after September.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  21 39.30   37 19.2   1.053   1.882   131   13.5  23:10 (180, 18)  
Sept. 3  20 49.56   29 26.8   1.041   1.882   133   13.5  21:54 (180, 26)  

* C/2014 W2 ( PanSTARRS )

Now it is 12.4 mag (Aug. 11, Juan Jose Gonzalez). It will be fading gradually after this. In the Northern Hemisphere, it keeps observable until early November. It becomes observable in the evening sky from July to September also in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  15 17.61   27  4.4   3.379   3.194    70   13.7  19:01 (150, 21)  
Sept. 3  15 21.59   24 12.8   3.490   3.233    67   13.8  19:06 (142, 20)  

* C/2015 V2 ( Johnson )

Now it is 14.2 mag (July 23, Artyom Novichonok). It is expected to brighten up to 7 mag in 2017 summer. In the Northern Hemisphere, it becomes low temporarily in summer, but it keeps observable in good condition until the highlight while the comet will be brightening. In the Southern Hemisphere, it is not observable until early 2017.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  10  5.01   50 58.9   4.547   3.843    41   13.8   5:01 (227,-33)  
Sept. 3  10 18.64   50 27.8   4.446   3.777    43   13.7   4:52 (228,-32)  

* C/2011 KP36 ( Spacewatch )

Now it is 13.6 mag (July 31, Chris Wyatt). 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)  
Aug. 27   0 51.78    0 28.1   4.097   4.929   141   14.0   2:31 (180, 54)  
Sept. 3   0 50.84   -0  3.9   4.047   4.936   148   14.0   2:02 (180, 55)  

* 53P/Van Biesbroeck

Now it is very bright as 12.5 mag (Aug. 3, Marco Goiato). It keeps observable in good condition for a while. But it will be fading after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  20 53.74  -15 46.4   1.650   2.612   157   14.0  22:29 (180, 71)  
Sept. 3  20 52.06  -16 17.3   1.709   2.633   150   14.1  22:00 (180, 71)  

* 144P/Kushida

It became so bright as 8 mag in 2009. It was expected to brighten up to 11-12 mag from summer to autumn. But actually, it is 14.4 mag (Aug. 12, iTelescope SRO Observatory, Auberry), fainter than originally expected by 3 mag. It keeps locating low for a while.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   8 11.87   18 28.1   2.172   1.432    32   14.3   5:01 (245,  3)  
Sept. 3   8 35.16   16 55.3   2.154   1.432    33   14.1   4:52 (247,  3)  

* 226P/Pigott-LINEAR-Kowalski

Now it is very bright as 12.8 mag (Aug. 20, Thomas Lehmann). It had been lost for a long time over 200 years since its discovery in 1783. The condition of this apparition is excellent, and it will brighten up to 13-14 mag in autumn. In the Northern Hemisphere, it is observable in excellent condition from summer to winter. In the Southern Hemisphere, it keeps observable in good condition until November.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   4 52.79    4 33.4   1.612   1.778    81   14.3   5:01 (213, 45)  
Sept. 3   5  1.96    6 45.6   1.537   1.776    85   14.2   4:52 (208, 44)  

* C/2013 US10 ( Catalina )

It brightened up to 6 mag from autumn to winter. Now it is fading. It has already faded down to 14.5 mag (Aug. 5, Ken Harikae). It is observable in good condition 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)  
Aug. 27   6  5.38   50 49.5   4.405   4.103    66   14.4   5:01 (204, -3)  
Sept. 3   6  4.86   51 30.6   4.373   4.178    72   14.4   4:52 (201, -2)  

* 118P/Shoemaker-Levy 4

It is not observable now. It will be observable at 16.5 mag in September in the Northern Hemisphere, or in November in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   9  0.46   14  5.8   2.973   2.059    20   15.2   5:01 (255, -4)  
Sept. 3   9 16.13   13  9.8   2.961   2.074    23   15.4   4:52 (256, -2)  

* C/2015 ER61 ( PanSTARRS )

Now it is 16.4 mag (Aug. 12, Thomas Lehmann). It will be unobservable temporarily from summer to autumn. Then it will appear in the morning sky at 13 mag in December. It is expected to brighten up to 7 mag in 2017 spring. But it locates somewhat low at the high light.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  11 56.67   -3 45.8   4.539   3.668    27   15.4  19:01 ( 91,  9)  
Sept. 3  12  3.73   -4 25.4   4.506   3.592    22   15.3  19:06 ( 87,  4)  

* C/2015 T4 ( PanSTARRS )

Now it is bright as 14.9 mag (May 4, Hidetaka Sato). It keeps 15 mag until autumn. In the Southern Hemisphere, it keeps observable for a long time. It will be unobservable after this in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  11  1.63  -58 16.3   2.597   2.422    68   15.3  19:01 ( 36, 27)  
Sept. 3  11 37.10  -58 13.4   2.668   2.447    66   15.5  19:06 ( 36, 27)  

* 77P/Longmore

It brightened up to 13.0 mag in spring (May 6, Marco Goiato). It is already unobservable in the Northern Hemisphere. In the Southern Hemisphere, it keeps observable in good condition until autumn. But it will be fading slowly after this.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  14  0.16  -29 59.7   2.675   2.440    65   15.8  19:01 ( 82, 47)  
Sept. 3  14 12.47  -31  5.0   2.756   2.453    62   15.9  19:06 ( 78, 44)  

* 315P/2013 V6 ( LONEOS )

It is appearing in the morning sky in the Northern Hemisphere. It is expected to brighten up to 14 mag from winter to spring in 2017, and it will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it keeps extremely low until autumn, and it will be low also around the higlight.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   8  5.53   28 28.0   3.281   2.550    37   15.9   5:01 (236, -2)  
Sept. 3   8 20.38   28 15.9   3.212   2.534    40   15.8   4:52 (236, -1)  

* 146P/Shoemaker-LINEAR

Now it is 15.9 mag (July 28, Ken-ichi Kadota), brighter than originally predicted. Now it is brightest. In the Southern Hemisphere, it keeps observable until winter, but it locates somewhat low. In the Northern Hemisphere, it is observable in excellent condition.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   5 46.71   22 18.3   1.666   1.575    67   16.0   5:01 (216, 23)  
Sept. 3   6  2.93   23 54.1   1.645   1.609    70   16.2   4:52 (215, 22)  

* C/2015 O1 ( PanSTARRS )

Now it is 15.5 mag (July 30, Yasukazu Ikari). It will be observable at 13 mag for a long time from 2017 to 2018. In 2016, it keeps observable at 16 mag in good condition until autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  18 51.31   -9 36.6   5.236   5.910   127   16.1  20:27 (180, 65)  
Sept. 3  18 46.45   -9 29.1   5.296   5.868   120   16.1  19:55 (180, 64)  

* 116P/Wild 4

It was observed at 13 mag for a long time from winter to early summer. Now it is fading. It has already faded down to 15.7 mag (July 18, J. Gaitan). 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)  
Aug. 27  15 59.64  -24  6.4   2.496   2.672    88   16.2  19:01 (115, 69)  
Sept. 3  16  8.42  -24 25.6   2.608   2.697    84   16.4  19:06 (107, 64)  

* 56P/Slaughter-Burnham

Now it is 15.9 mag (Aug. 13, Purple Mountain Observatory, XuYi Station). It will be observable at 16 mag in good condition from autumn to winter. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   4  9.15   28 24.8   2.347   2.527    88   16.4   5:01 (191, 26)  
Sept. 3   4 17.59   29 12.1   2.272   2.534    93   16.3   4:52 (189, 25)  

* C/2016 N4 ( MASTER )

Now it is 15.8 mag (Aug. 7, T. Seki, H. Sato). It will brighten up to 14 mag from summer to winter in 2017. Then it will be observable in excellent condition in the Northern Hemisphere. In the Southern Hemisphere, it is hardly observable around the highlight.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   0  5.67  -17 58.6   3.853   4.782   153   16.4   1:45 (180, 73)  
Sept. 3  23 58.99  -17 53.0   3.777   4.737   160   16.3   1:11 (180, 73)  

* C/2016 B1 ( NEOWISE )

Now it is 16.2 mag (June 29, iTelescope Observatory, Siding Spring). It keeps 16 mag for a long time until 2017. It is already unobservable in the Northern Hemisphere. It will be unobservable in October also in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  13 28.40  -20  2.2   3.827   3.344    54   16.4  19:01 ( 90, 36)  
Sept. 3  13 38.06  -19 37.1   3.888   3.326    49   16.4  19:06 ( 87, 32)  

* D/1978 R1 ( Haneda-Campos )

It has been lost since its discovery in 1978. In 2016, it is expected to return in excellent condition from autumn to winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  19 30.62  -32 38.7   0.681   1.564   134   17.0  21:06 (180, 88)  
Sept. 3  19 30.28  -32 39.6   0.678   1.521   127   16.7  20:39 (180, 88)  

* C/2014 OE4 ( PanSTARRS )

Now it is 16.1 mag (Aug. 6, Yuji Ohshima). It keeps 16.5 mag from 2016 to 2017. It is observable in good condition in the Northern Hemisphere. In the Southern Hemisphere, it locates low in 2016, and it is not observable in 2017.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  16 31.57   34 35.3   6.276   6.287    85   16.8  19:01 (168, 19)  
Sept. 3  16 32.27   34 16.7   6.335   6.281    82   16.8  19:06 (162, 18)  

* 219P/LINEAR

Now it is 16.6 mag (Aug. 4, A. Diepvens). It keeps 16-17 mag and keeps observable in good condition until autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  17 37.82  -11 28.9   2.105   2.629   110   16.8  19:14 (180, 67)  
Sept. 3  17 41.51  -11 42.7   2.170   2.610   104   16.8  19:06 (170, 66)  

* C/2014 A4 ( SONEAR )

It brightened up to 15 mag from late 2014 to early 2016. Now it is fading slowly. Now it is 16.1 mag (Aug. 16, D. Buczynski). In the Northern Hemisphere, it will be observable at 16-17 mag in autumn in good condition. It locates extremely low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  22 58.13   44 27.9   4.466   5.112   124   16.9   0:38 (180, 10)  
Sept. 3  22 45.57   44 23.7   4.461   5.144   128   17.0  23:52 (180, 11)  

* 93P/Lovas 1

Now it is 17.1 mag (Aug. 12, iTelescope Observatory, Siding Spring). It will brighten up to 15 mag in winter. But it will be getting lower gradually after autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  22 30.99  -11 15.1   1.466   2.476   177   17.2   0:11 (180, 66)  
Sept. 3  22 23.91  -11 13.1   1.428   2.433   172   17.0  23:31 (180, 66)  

* 74P/Smirnova-Chernykh

Now it is 18.5 mag (Aug. 11, CAO, San Pedro de Atacama). It will be observable at 16 mag in good condition from autumn to winter. It locates low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   6 43.04   24 10.4   4.431   3.925    54   17.1   5:01 (226, 14)  
Sept. 3   6 50.28   24  9.3   4.335   3.917    59   17.0   4:52 (224, 16)  

* C/2015 VL62 ( Lemmon-Yeung-PanSTARRS )

Now it is 16.9 mag (Aug. 13, S. Shurpakov). It will brighten up to 13 mag and will be observable in good condition in 2017 summer. In 2016, it keeps observable until winter when it will brighten up to 15.5 mag. It locates somewhat low in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   3 33.09   31  1.4   4.319   4.527    95   17.2   5:01 (182, 24)  
Sept. 3   3 28.26   31 16.8   4.141   4.476   102   17.1   4:39 (180, 24)  

* 47P/Ashbrook-Jackson

Now it is 16.9 mag (July 30, Yasukazu Ikari). It will brighten up to 16 mag and will be observable in good condition in 2017. In 2016, it is observable in excellent condition in the Southern Hemisphere, but it keeps low in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  18 36.78  -38  0.1   2.581   3.235   122   17.1  20:13 (  0, 87)  
Sept. 3  18 37.22  -37 23.4   2.645   3.218   116   17.1  19:46 (  0, 88)  

* C/2016 K1 ( LINEAR )

Now it is 17.9 mag (Aug. 8, J. Gonzalez). It keeps 17-18 mag until autumn. It keeps observable in excellent condition in the Northern Hemisphere. It will be getting lower gradually in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  19 59.15   37 29.8   1.653   2.347   121   17.3  21:33 (180, 17)  
Sept. 3  19 36.85   37 44.2   1.737   2.365   116   17.4  20:43 (180, 17)  

* C/2015 B2 ( PanSTARRS )

Now it is 18.0 mag (July 24, CAO, San Pedro de Atacama). It keeps 17 mag for a long time in 2016, and it will be observable in excellent condition in the Southern Hemisphere. It is hardly observable in the Northern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   2 59.93  -47 52.3   3.033   3.529   111   17.3   4:38 (  0, 77)  
Sept. 3   2 45.11  -49 18.2   2.995   3.549   115   17.3   3:56 (  0, 76)  

* C/2015 V1 ( PanSTARRS )

Now it is 17.5 mag (Aug. 4, Toshiyuki Takahashi). It will brighten up to 15 mag and will be observable in good condition from autum to winter in 2017. In the Northern Hemisphere, it keeps observable in good condition for a long time while the comet will be brightening. It is not observable until 2017 summer in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   5 18.57   56 54.6   5.952   5.757    74   17.5   5:01 (195, -5)  
Sept. 3   5 16.76   57 20.6   5.811   5.721    79   17.4   4:52 (193, -5)  

* C/2012 F3 ( PanSTARRS )

It brightened up to 13-14 mag from 2014 to 2015. Now it is fading. It has already faded down to 17.0 mag (Aug. 12, iTelescope Observatory, Siding Spring). It will be fainter than 18 mag in October.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  23 16.46   -4 55.9   4.659   5.644   165   17.4   0:56 (180, 60)  
Sept. 3  23 13.76   -5 21.8   4.686   5.689   173   17.5   0:25 (180, 60)  

* C/2010 U3 ( Boattini )

It will pass the perihelion in 2019. However, it has not been brightening since the discovery in 2010. Now it is 18.1 mag (Aug. 10, D. Buczynski). It keeps observable 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)  
Aug. 27   4 40.73   55 22.5  10.123   9.985    79   17.5   5:01 (191, -2)  
Sept. 3   4 42.34   55 58.7  10.007   9.964    84   17.5   4:52 (189, -2)  

* 340P/2016 N2 ( Boattini )

First return of a new periodic comet discovered in 2008. Now it is 18.8 mag (Aug. 1, M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann). It keeps observable at 17.5 mag until autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  20  6.53  -19 18.9   2.206   3.093   145   17.5  21:42 (180, 74)  
Sept. 3  20  4.52  -19 22.3   2.260   3.089   138   17.6  21:13 (180, 74)  

* C/2014 N3 ( NEOWISE )

It was observed at 14-15 mag from 2014 to 2015. Now it is fading. It has already faded down to 17.3 mag (Aug. 10, D. Buczynski). In the Northern Hemisphere, it keeps observable in excellent condition until winter when the comet will be fainter than 18 mag. It is not observable in the Southern Hemisphere.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   4 39.22   74 33.5   6.008   5.904    79   17.6   5:01 (185,-20)  
Sept. 3   4 46.07   75 47.9   5.986   5.945    82   17.6   4:52 (184,-21)  

* 22P/Kopff

It brightened up to 10 mag in 2015 autumn. Now it is fading. It has already faded down to 16.1 mag (Aug. 16, Buczynski). It will be fainter than 18 mag in September.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   3 37.85   14  1.5   2.737   3.053    98   17.7   5:01 (185, 41)  
Sept. 3   3 39.67   13 57.0   2.678   3.092   104   17.7   4:51 (180, 41)  

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

Now it is 17.8 mag (Aug. 27, Jean-Francois Soulier). It has brightened in outburst up to 14 mag twice, in 2006 January and 2011 May. It is observable at 17 mag in good condition in autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   1 27.36    7  8.3   5.559   6.269   131   17.7   3:06 (180, 48)  
Sept. 3   1 26.25    6 57.4   5.494   6.282   138   17.7   2:37 (180, 48)  

* P/2007 T6 ( Catalina )

It has not been recovered in this apparition yet. It is expected to brighten up to 16.5 mag and will be observable in good condition from autumn to winter.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   3 25.63   -9  5.7   2.149   2.610   105   17.8   5:01 (182, 64)  
Sept. 3   3 31.25   -9 35.2   2.053   2.582   110   17.7   4:42 (180, 65)  

* 343P/2016 P3 ( NEAT-LONEOS )

Now it is 18.9 mag (Aug. 9, S. Maticic). It will be observable at 17.5 mag in good condition in autumn.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  23 13.45    4 39.2   1.654   2.629   160   17.8   0:53 (180, 50)  
Sept. 3  23  9.72    4 26.2   1.608   2.601   166   17.7   0:21 (180, 50)  

* C/2014 Q2 ( Lovejoy )

It brightened up to 3.7 mag and became a naked eye comet in mid January in 2015 (Jan. 13, Marek Biely). Now it is fading. It has already faded down to 16.7 mag (Aug. 9, Purple Mountain Observatory, XuYi Station). It will be fainter than 18 mag in September.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  17 14.51   18 21.7   6.317   6.548    98   17.7  19:01 (177, 37)  
Sept. 3  17 14.21   17 25.0   6.464   6.607    93   17.9  19:06 (167, 37)  

* 188P/LINEAR-Mueller

It is 17.2 mag now (Aug. 5, Toshiyuki Takahashi). It was expected to brighten up to 16 mag and observable in good condition in autumn. But actually, it is fainter than originally predicted by 2 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  23  4.65  -11 51.5   1.823   2.823   169   17.8   0:44 (180, 67)  
Sept. 3  22 59.44  -11 56.8   1.798   2.805   174   17.8   0:11 (180, 67)  

* C/2015 H2 ( PanSTARRS )

Now it is 17.4 mag (July 2, G. Gunn, G. W. Christie). It keeps observable at 17.5 mag in good condition from spring to autumn 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)  
Aug. 27  17 38.33  -58 58.6   4.559   4.969   108   17.8  19:15 (  0, 66)  
Sept. 3  17 42.07  -58  8.1   4.635   4.968   103   17.8  19:06 (  5, 67)  

* C/2010 S1 ( LINEAR )

It was observed as bright as 13-14 mag for a long time from 2011 to 2014. Now it is fading. It is observable in excellent condition in the Southern Hemisphere. It locates extremely low in the Northern Hemisphere. No observations have been reported since August, 2015.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27  16 56.83  -37 31.8   9.665   9.937   102   17.9  19:01 ( 64, 84)  
Sept. 3  16 55.62  -37 31.0   9.816   9.972    95   17.9  19:06 ( 74, 77)  

* 339P/2016 N1 ( McNaught )

First return of a new periodic comet which brightened up to 16.5 mag in 2008. The condition of this apparition is very good. It was expected to brighten up to 15.5 mag in autumn and will be observable in good condition. But actually, it is 18.4 mag (Aug. 12, ATLAS-HKO, Haleakala), fainter than originally expected by 3 mag.

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Aug. 27   0 20.00  -15 58.2   1.452   2.386   150   18.1   1:59 (180, 71)  
Sept. 3   0 13.74  -15 27.1   1.409   2.374   157   18.0   1:25 (180, 70)  

* C/2014 Y1 ( PanSTARRS )

Now it is 17.1 mag (July 9, Kunihiro Shima). It was expected to brighten up to 14 mag from winter to summer. But it is much fainter actually. It will be 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)  
Aug. 27  16 34.72  -37 46.5   3.023   3.324    98   19.5  19:01 ( 71, 80)  
Sept. 3  16 42.09  -37 37.1   3.166   3.378    93   19.6  19:06 ( 75, 75)  

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

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