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TOPIC: Comet C/2009 R1 (McNaught)


L

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RE: Comet C/2009 R1 (McNaught)
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Comet C/2009 R1 (McNaught), at magnitude 6.3, will pass 4.39° from the magnitude 5.7 galaxy M33 at 19:00 UT, 31st May, 2010.
The Comet is currently just below the star Beta Andromeda.

2009R1McNaught-2010-5-30-23h32m.gif

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Comet C/2009 R1 (McNaught), at magnitude 8.6, will pass 0.73° from the magnitude 10.5 galaxy NGC 7814 at 17:00 UT, 13th May, 2010.

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Ephemeris
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2010 05 04 23 35.99 +09 56.1 1.884 1.387 46.0 31.5 10.8
2010 05 09 23 48.09 +13 11.8 1.758 1.300 47.0 34.6 10.4
2010 05 14 00 02.04 +16 53.6 1.635 1.210 47.6 38.0 9.9
2010 05 19 00 18.56 +21 05.1 1.517 1.119 47.5 41.8 9.4
2010 05 24 00 38.69 +25 48.9 1.408 1.026 46.7 45.9 8.9
2010 05 29 01 04.06 +31 03.2 1.311 0.932 45.1 50.3 8.3
2010 06 03 01 37.04 +36 37.2 1.230 0.837 42.5 54.9 7.7
2010 06 08 02 20.73 +42 01.6 1.171 0.742 38.8 59.1 7.0
2010 06 13 03 17.79 +46 19.9 1.139 0.647 34.4 62.3 6.4
2010 06 18 04 26.49 +48 14.0 1.139 0.558 29.3 63.0 5.7
2010 06 23 05 37.00 +46 44.8 1.171 0.480 24.0 59.6 5.2
2010 06 28 06 36.84 +42 00.7 1.231 0.424 18.8 50.7 4.7
2010 07 03 07 20.69 +35 08.7 1.305 0.405 14.2 37.9 4.7
2010 07 08 07 50.73 +27 30.3 1.382 0.430 10.9 26.7 5.0
2010 07 13 08 11.73 +20 04.7 1.454 0.489 10.3 21.9 5.7
2010 07 18 08 27.57 +13 16.4 1.521 0.570 12.2 22.1 6.5
2010 07 23 08 40.53 +07 08.3 1.584 0.660 15.2 23.8 7.2
2010 07 28 08 51.84 +01 35.8 1.646 0.754 18.4 25.2 7.9


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Orbital elements:
C/2009 R1 (McNaught)
Epoch 2010 June 13.0 TT = JDT 2455360.5
T 2010 July 2.65354 TT MPC
q 0.4050109 (2000.0) P Q
z -0.0008077 Peri. 130.70044 -0.41478241 -0.69149348
+/-0.0000346 Node 322.62909 +0.19358631 +0.56804014
e 1.0003271 Incl. 77.00698 +0.88908936 -0.44628149

MPEC 2009 - S152


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Orbital elements:
C/2009 R1 (McNaught)
T 2010 July 2.0338 TT MPC
q 0.401355 (2000.0) P Q
Peri. 130.8565 -0.4146774 -0.6938116
Node 322.7529 +0.1985730 +0.5624501
e 1.0 Incl. 76.6038 +0.8880380 -0.4497503
From 71 observations 2009 July 20-Sept. 23.

MPEC 2009 - S85


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Orbital elements:
C/2009 R1 (McNaught)
T 2010 July 2.1251 TT MPC
q 0.401409 (2000.0) P Q
Peri. 130.8611 -0.4150649 -0.6932319
Node 322.7344 +0.1980531 +0.5632358
e 1.0 Incl. 76.6688 +0.8879730 -0.4496609
From 53 observations 2009 July 20-Sept. 15.

MPEC 2009 - S22


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Orbital elements:
C/2009 R1 (McNaught)
T 2010 July 2.1654 TT MPC
q 0.401424 (2000.0) P Q
Peri. 130.8635 -0.4152440 -0.6929681
Node 322.7260 +0.1978227 +0.5635880
e 1.0 Incl. 76.6981 +0.8879406 -0.4496262
From 43 observations 2009 July 20-Sept. 12.

MPEC 2009 - R48


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Comet C/2009 R1 (McNaught) was discovered by Rob H. McNaught (Siding Spring Survey) on the 9th September, 2009.
This discovery brings up Rob McNaughts total cometary discoveries to 51.
The preliminary orbital elements of the comet indicate a perihelion passage on the 2nd  July, 2010 at a distance of  0.40 AU from the Sun, when it could reach a magnitude 4.5.

Ephemeris

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L

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Date:
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Orbital elements:
C/2009 R1 (McNaught)
T 2010 July 2.1701 TT MPC
q 0.401431 (2000.0) P Q
Peri. 130.8635 -0.4152567 -0.6929477
Node 322.7253 +0.1978019 +0.5636176
e 1.0 Incl. 76.7005 +0.8879394 -0.4496205
From 35 observations 2009 July 20-Sept. 10.

MPEC 2009 - R33


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