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Home -> Astronomy News -> Comets -> Comet C/2012 S1 (ISON)
Post Info TOPIC: Comet C/2012 S1 (ISON)
Blobrana


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RE: Comet C/2012 S1 (ISON)
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Google earth file: Comet C/2012 S1 (ISON).kmz (Version 3, 18kb, kmz)

Ed ~ just a few more data points added



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Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.   Mag
2013 10 25 000000 10 41 26.9 +10 16 11   1.434   1.162   53.6  43.5   7.4
2013 10 26 000000 10 45 20.8 +09 47 30   1.404   1.140   53.5  44.5   7.3
2013 10 27 000000 10 49 23.3 +09 17 30   1.375   1.117   53.4  45.6   7.2
2013 10 28 000000 10 53 35.0 +08 46 04   1.345   1.094   53.2  46.7   7.0
2013 10 29 000000 10 57 56.4 +08 13 08   1.317   1.070   53.0  47.8   6.9
2013 10 30 000000 11 02 28.3 +07 38 35   1.288   1.047   52.7  49.0   6.7
2013 10 31 000000 11 07 11.4 +07 02 20   1.259   1.023   52.4  50.3   6.6
2013 11 01 000000 11 12 06.4 +06 24 14   1.231   0.999   52.1  51.6   6.4
2013 11 02 000000 11 17 14.3 +05 44 13   1.204   0.975   51.6  52.9   6.3
2013 11 03 000000 11 22 35.9 +05 02 07   1.176   0.950   51.1  54.4   6.1
2013 11 04 000000 11 28 12.3 +04 17 49   1.150   0.925   50.5  55.9   6.0
2013 11 05 000000 11 34 04.4 +03 31 12   1.123   0.900   49.9  57.4   5.8
2013 11 06 000000 11 40 13.5 +02 42 08   1.098   0.874   49.2  59.1   5.6
2013 11 07 000000 11 46 40.6 +01 50 30   1.073   0.848   48.3  60.8   5.4
2013 11 08 000000 11 53 27.2 +00 56 10   1.048   0.822   47.4  62.6   5.3
2013 11 09 000000 12 00 34.5 -00 00 59   1.025   0.795   46.4  64.5   5.1
2013 11 10 000000 12 08 03.9 -01 01 00   1.003   0.768   45.3  66.5   4.9
2013 11 11 000000 12 15 56.9 -02 04 00   0.981   0.740   44.1  68.6   4.7
2013 11 12 000000 12 24 15.0 -03 09 59   0.961   0.712   42.8  70.8   4.4
2013 11 13 000000 12 32 59.7 -04 18 56   0.942   0.683   41.3  73.1   4.2
2013 11 14 000000 12 42 12.6 -05 30 48   0.924   0.653   39.7  75.5   4.0
2013 11 15 000000 12 51 55.1 -06 45 26   0.908   0.623   38.0  78.0   3.7
2013 11 16 000000 13 02 08.7 -08 02 37   0.894   0.592   36.2  80.7   3.5
2013 11 17 000000 13 12 54.6 -09 22 01   0.882   0.560   34.3  83.4   3.2
2013 11 18 000000 13 24 14.0 -10 43 12   0.871   0.528   32.2  86.2   2.9
2013 11 19 000000 13 36 07.9 -12 05 39   0.863   0.494   30.0  89.1   2.6
2013 11 20 000000 13 48 37.0 -13 28 40   0.858   0.459   27.7  92.1   2.3
2013 11 21 000000 14 01 42.1 -14 51 28   0.856   0.423   25.3  95.1   1.9
2013 11 22 000000 14 15 23.6 -16 13 08   0.856   0.386   22.7  98.2   1.5
2013 11 23 000000 14 29 42.5 -17 32 40   0.860   0.346   20.1 101.2   1.1
2013 11 24 000000 14 44 40.4 -18 48 53   0.868   0.304   17.4 104.1   0.5
2013 11 25 000000 15 00 21.0 -20 00 30   0.880   0.260   14.6 106.9  -0.1
2013 11 26 000000 15 16 52.8 -21 05 50   0.898   0.211   11.6 109.2  -1.0
2013 11 27 000000 15 34 37.4 -22 02 15   0.922   0.156    8.5 110.4  -2.3
2013 11 28 000000 15 54 44.1 -22 42 33   0.955   0.090    5.0 107.8  -4.6
2013 11 29 000000 16 23 20.6 -20 31 20   0.985   0.022    1.3  93.0 -10.6
2013 11 30 000000 16 22 02.5 -16 36 54   0.917   0.108    5.0 127.2  -3.9
2013 12 01 000000 16 19 50.9 -14 12 38   0.872   0.170    7.8 128.2  -2.0
2013 12 02 000000 16 18 02.1 -12 08 28   0.834   0.223   10.4 127.5  -0.9
2013 12 03 000000 16 16 32.0 -10 12 48   0.801   0.271   12.8 126.3  -0.2
2013 12 04 000000 16 15 17.0 -08 21 02   0.771   0.315   15.2 125.0   0.4
2013 12 05 000000 16 14 14.5 -06 30 40   0.743   0.356   17.5 123.6   0.9
2013 12 06 000000 16 13 22.7 -04 40 04   0.716   0.395   19.9 122.2   1.2
2013 12 07 000000 16 12 40.2 -02 48 06   0.692   0.433   22.2 120.7   1.6
2013 12 08 000000 16 12 06.2 -00 53 51   0.668   0.468   24.5 119.1   1.8
2013 12 09 000000 16 11 39.8 +01 03 27   0.646   0.503   26.9 117.5   2.1
2013 12 10 000000 16 11 20.4 +03 04 29   0.625   0.536   29.3 115.8   2.3
2013 12 11 000000 16 11 07.8 +05 09 52   0.605   0.569   31.8 114.1   2.5
2013 12 12 000000 16 11 01.4 +07 20 11   0.585   0.600   34.3 112.3   2.6
2013 12 13 000000 16 11 01.2 +09 35 58   0.567   0.631   36.9 110.5   2.8
2013 12 14 000000 16 11 07.0 +11 57 44   0.549   0.661   39.5 108.5   2.9
2013 12 15 000000 16 11 18.7 +14 25 55   0.533   0.690   42.2 106.5   3.0
2013 12 16 000000 16 11 36.3 +17 00 55   0.518   0.719   45.0 104.3   3.1
2013 12 17 000000 16 12 00.1 +19 43 04   0.503   0.747   47.9 102.1   3.2
2013 12 18 000000 16 12 30.1 +22 32 34   0.490   0.775   50.9  99.7   3.3
2013 12 19 000000 16 13 06.8 +25 29 31   0.478   0.802   53.9  97.3   3.4
2013 12 20 000000 16 13 50.5 +28 33 54   0.467   0.829   57.1  94.7   3.5
2013 12 21 000000 16 14 41.8 +31 45 29   0.457   0.855   60.3  92.1   3.6
2013 12 22 000000 16 15 41.4 +35 03 49   0.448   0.881   63.5  89.3   3.7
2013 12 23 000000 16 16 50.5 +38 28 18   0.441   0.906   66.9  86.5   3.8
2013 12 24 000000 16 18 10.3 +41 58 02   0.436   0.932   70.3  83.6   3.9
2013 12 25 000000 16 19 42.6 +45 31 59   0.432   0.956   73.6  80.7   4.0
2013 12 26 000000 16 21 29.7 +49 08 52   0.430   0.981   77.0  77.7   4.1
2013 12 27 000000 16 23 34.8 +52 47 15   0.429   1.005   80.4  74.7   4.2
2013 12 28 000000 16 26 02.4 +56 25 38   0.429   1.029   83.7  71.8   4.3
2013 12 29 000000 16 28 58.8 +60 02 28   0.432   1.053   87.0  68.9   4.4
2013 12 30 000000 16 32 33.0 +63 36 12   0.436   1.076   90.1  66.0   4.5
2013 12 31 000000 16 36 59.2 +67 05 22   0.442   1.100   93.1  63.3   4.6
2014 01 01 000000 16 42 39.5 +70 28 38   0.449   1.122   96.0  60.6   4.8
2014 01 02 000000 16 50 11.5 +73 44 43   0.457   1.145   98.7  58.1   4.9
2014 01 03 000000 17 00 43.4 +76 52 21   0.467   1.168  101.2  55.7   5.0
2014 01 04 000000 17 16 32.2 +79 50 02   0.479   1.190  103.5  53.5   5.2
2014 01 05 000000 17 42 51.9 +82 35 17   0.491   1.212  105.7  51.4   5.3
2014 01 06 000000 18 33 45.5 +85 01 46   0.505   1.234  107.6  49.4   5.4
2014 01 07 000000 20 28 10.9 +86 47 26   0.520   1.256  109.4  47.6   5.6
2014 01 08 000000 23 35 45.9 +86 55 23   0.536   1.277  111.0  46.0   5.7
2014 01 09 000000 01 34 24.6 +85 30 51   0.553   1.298  112.4  44.4   5.8
2014 01 10 000000 02 27 07.8 +83 38 47   0.570   1.320  113.6  43.1   6.0
2014 01 11 000000 02 54 15.9 +81 43 21   0.589   1.341  114.7  41.8   6.1
2014 01 12 000000 03 10 33.5 +79 50 49   0.608   1.361  115.6  40.7   6.3


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Blobrana


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Will we have a Christmas comet in 2013?

Comet ISON may still shine at a respectable magnitude +3 on Christmas Day 2013 and also just might become the great Christmas comet of 2013. 
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Blobrana


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The comet will make a close pass of the planet Mars (0.073 au) on the 1st October, 2013

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Blobrana


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Vitali Nevski (Vitebsk, Belarus) and Artyom Novichonok (Kondopoga, Russia) report their discovery of a diffuse comet with an 8" coma on four 100-s CCD exposures obtained on Sept. 21.06 UT with a 0.4-m f/3 Santel reflector of the International Scientific Optical Network (ISON) near Kislovodsk, Russia; Nevski and Novichonok first reported the object to the Minor Planet Center with no mention of cometary appearance, and it was posted on the MPC's NEOCP webpage as an apparently asteroidal object (their report to the Central Bureau of cometary appearance arrived nearly a day after NEOCP posting).
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Blobrana


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Russia's amateur astronomer Artyom Novichonok and his Belarusian colleague Vitaly Nevsky have discovered a comet which might become the brightest this decade.
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C/2012 S1 (ISON) was discovered on 21 September 2012 by ISON-Kislovodsk Observatory. Precovery images of the comet by the Mount Lemmon Survey from 28 December 2011 and by Pan-STARRS from 28 January 2011 were quickly found.
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Blobrana


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This comet could reach a magnitude -4.

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Orbital elements:
    C/2012 S1 (ISON)
Epoch 2013 Dec. 14.0 TT = JDT 2456640.5
T 2013 Nov. 28.87041 TT                                 MPC
q   0.0124527            (2000.0)            P               Q
z  +0.0000029      Peri.  345.56137     +0.31509387     +0.51287068
 +/-0.0002325      Node   295.65952     -0.75896421     -0.36901142
e   1.0000000      Incl.   62.36426     -0.56981504     +0.77510918
From 54 observations 2011 Dec. 28-2012 Sept. 23

MPEC 2012 - S63

Comet C/2012 S1 (ISON) was discovered on the 21st September 2012 by the ISON-Kislovodsk Observatory.
The preliminary orbital elements of the comet indicate a perihelion passage on the 28th November, 2013, at a distance of 0.012 AU from the Sun.

Google earth file: Comet C/2012 S1 (ISON).kmz (18kb, kmz)

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2012 09 24    08 13 50.4 +27 49 23   6.6729  6.2646    62.0     8.1  18.1
2012 09 25    08 14 12.4 +27 49 07   6.6482  6.2548    62.9     8.2  18.1
2012 09 26    08 14 34.1 +27 48 52   6.6233  6.2451    63.8     8.3  18.1
2012 09 27    08 14 55.3 +27 48 40   6.5983  6.2354    64.7     8.4  18.0

2013 09 29    09 30 19.7 +18 02 03   2.2109  1.6903    46.8    25.6  10.0
2013 09 30    09 32 24.0 +17 50 14   2.1817  1.6716    47.2    26.1   9.9
2013 10 01    09 34 30.2 +17 38 06   2.1523  1.6528    47.7    26.6   9.8
2013 10 02    09 36 38.6 +17 25 39   2.1229  1.6339    48.1    27.1   9.8
2013 10 03    09 38 49.2 +17 12 52   2.0934  1.6149    48.5    27.7   9.7
2013 10 04    09 41 02.2 +16 59 43   2.0638  1.5957    48.9    28.2   9.6
2013 10 05    09 43 17.5 +16 46 13   2.0341  1.5765    49.3    28.8   9.5
2013 10 06    09 45 35.5 +16 32 19   2.0044  1.5571    49.7    29.3   9.4
2013 10 07    09 47 56.1 +16 18 00   1.9745  1.5376    50.1    29.9   9.3
2013 10 08    09 50 19.6 +16 03 16   1.9446  1.5180    50.4    30.5   9.3
2013 10 09    09 52 46.0 +15 48 05   1.9146  1.4983    50.8    31.1   9.2
2013 10 10    09 55 15.6 +15 32 24   1.8846  1.4784    51.1    31.7   9.1
2013 10 11    09 57 48.5 +15 16 14   1.8545  1.4585    51.4    32.4   9.0
2013 10 12    10 00 24.8 +14 59 31   1.8244  1.4383    51.7    33.0   8.9
2013 10 13    10 03 04.9 +14 42 15   1.7942  1.4181    52.0    33.7   8.8
2013 10 14    10 05 48.8 +14 24 23   1.7640  1.3976    52.3    34.4   8.7
2013 10 15    10 08 36.9 +14 05 53   1.7338  1.3771    52.5    35.1   8.6
2013 10 16    10 11 29.3 +13 46 43   1.7036  1.3564    52.7    35.8   8.5
2013 10 17    10 14 26.3 +13 26 50   1.6734  1.3355    52.9    36.6   8.4
2013 10 18    10 17 28.2 +13 06 12   1.6432  1.3144    53.1    37.3   8.3
2013 10 19    10 20 35.3 +12 44 45   1.6131  1.2932    53.3    38.1   8.2
2013 10 20    10 23 47.9 +12 22 28   1.5830  1.2718    53.4    38.9   8.0
2013 10 21    10 27 06.4 +11 59 16   1.5529  1.2503    53.5    39.8   7.9
2013 10 22    10 30 31.1 +11 35 07   1.5229  1.2285    53.6    40.7   7.8
2013 10 23    10 34 02.4 +11 09 56   1.4930  1.2066    53.6    41.6   7.7
2013 10 24    10 37 40.8 +10 43 39   1.4632  1.1845    53.6    42.5   7.6
2013 10 25    10 41 26.7 +10 16 13   1.4336  1.1621    53.6    43.5   7.4


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