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Home -> Astronomy News -> Solar System -> C/2005E2 (McNaught)
Post Info TOPIC: C/2005E2 (McNaught)
Blobrana


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RE: C/2005E2 (McNaught)
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Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1
2006 03 01    00 27.33   +11 27.6    2.275    1.522    31.5    19.9   9.1
2006 03 02    00 30.28   +11 52.8    2.278    1.522    31.4    19.8   9.1
2006 03 03    00 33.23   +12 17.9    2.281    1.523    31.3    19.7   9.1
2006 03 04    00 36.19   +12 42.9    2.284    1.524    31.1    19.6   9.1
2006 03 05    00 39.17   +13 07.9    2.288    1.525    31.0    19.6   9.1
2006 03 06    00 42.15   +13 32.7    2.291    1.527    30.8    19.5   9.1
2006 03 07    00 45.15   +13 57.4    2.295    1.528    30.7    19.4   9.1
2006 03 08    00 48.16   +14 22.0    2.298    1.530    30.6    19.3   9.2
2006 03 09    00 51.17   +14 46.5    2.302    1.531    30.5    19.2   9.2
2006 03 10    00 54.20   +15 10.9    2.306    1.533    30.3    19.1   9.2
2006 03 11    00 57.24   +15 35.1    2.310    1.535    30.2    19.0   9.2
2006 03 12    01 00.28   +15 59.2    2.314    1.537    30.1    18.9   9.2
2006 03 13    01 03.34   +16 23.2    2.318    1.539    29.9    18.8   9.2
2006 03 14    01 06.41   +16 47.0    2.322    1.541    29.8    18.7   9.2
2006 03 15    01 09.49   +17 10.6    2.327    1.544    29.7    18.6   9.2
2006 03 16    01 12.57   +17 34.1    2.331    1.546    29.6    18.5   9.2
2006 03 17    01 15.67   +17 57.4    2.336    1.549    29.4    18.4   9.2
2006 03 18    01 18.77   +18 20.5    2.341    1.552    29.3    18.3   9.3
2006 03 19    01 21.89   +18 43.4    2.346    1.554    29.2    18.2   9.3
2006 03 20    01 25.02   +19 06.2    2.351    1.557    29.1    18.1   9.3
2006 03 21    01 28.15   +19 28.7    2.356    1.561    28.9    18.0   9.3
2006 03 22    01 31.29   +19 51.0    2.361    1.564    28.8    17.9   9.3
2006 03 23    01 34.45   +20 13.2    2.366    1.567    28.7    17.8   9.3
2006 03 24    01 37.61   +20 35.1    2.372    1.571    28.6    17.7   9.3
2006 03 25    01 40.78   +20 56.8    2.378    1.574    28.4    17.6   9.4
2006 03 26    01 43.96   +21 18.3    2.383    1.578    28.3    17.5   9.4
2006 03 27    01 47.15   +21 39.5    2.389    1.582    28.2    17.3   9.4
2006 03 28    01 50.34   +22 00.6    2.395    1.585    28.1    17.2   9.4
2006 03 29    01 53.55   +22 21.3    2.401    1.589    27.9    17.1   9.4
2006 03 30    01 56.76   +22 41.9    2.407    1.594    27.8    17.0   9.4
2006 03 31    01 59.98   +23 02.2    2.414    1.598    27.7    16.9   9.4


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Blobrana


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Posts: 131433
Date:
C/2005 E2 (McNaught)
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The comet is now at magnitude 10.4.
The size is now over 2 arcmin and starting to look like a typical small comet.

The comet will brighten to magnitude 10 from January to March.

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Blobrana


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RE: C/2005E2 (McNaught)
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At discovery on March 12, by R. H. McNaught), the comet was faint as 16.4 magnitude . It has steadily been brightening.
Now it is below 11th magnitude in the constellation Capricorn.
It is predicted to reach to 10 magnitude from January to March. In the Southern Hemisphere, it is observable only until December. In the Northern Hemisphere, the altitude will be getting lower slowly after January, and it will be too low to observe in April.

 Date(TT)  R.A. (2000) Dec.     Delta   r      Elong.  m1   
Nov 01    19 57.61   -28 17.3   2.153   2.164   77.4  10.5
Nov 06    20 04.50   -27 16.4   2.165   2.120   74.1  10.4
Nov 11    20 11.94   -26 13.1   2.176   2.075   70.9  10.4
Nov 16    20 19.89   -25 07.0   2.186   2.032   67.9  10.3
Nov 21    20 28.33   -23 58.0   2.195   1.990   65.0  10.2
Nov 26    20 37.21   -22 45.7   2.203   1.948   62.2  10.1 
Nov 26    20 37.21   -22 45.7   2.203   1.948   62.2  10.1
Dec 01    20 46.52   -21 30.0   2.209   1.908   59.5  10.0
Dec 06    20 56.24   -20 10.7   2.214   1.869   57.0   9.9
Dec 11    21 06.32   -18 47.5   2.217   1.831   54.5   9.9
Dec 16    21 16.75   -17 20.2   2.220   1.795   52.2   9.8
Dec 21    21 27.51   -15 48.9   2.222   1.760   50.1   9.7
Dec 26    21 38.59   -14 13.4   2.223   1.727   48.0   9.6
Dec 31    21 49.97   -12 33.7   2.223   1.696   46.1   9.5




Orbital Elements

Epoch 2006 March 6.0 TT = JDT 2453800.5
T 2006 Feb. 23.4750 TT                                  MPC
q   1.519607             (2000.0)            P               Q
z  -0.000084       Peri.   39.9676      +0.8785562      -0.4736622
 +/-0.000007       Node   347.8476      +0.3283218      +0.6924048
e   1.000127       Incl.   16.9883      +0.3469060      +0.5442607
From 220 observations 2005 Mar. 12-Aug. 19, mean residual 0".4.


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-- Edited by Blobrana at 17:39, 2005-11-28

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