MPEC 2008-B25 : COMET C/2008 A1 (McNAUGHT)
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M.P.E.C. 2008-B25 Issued 2008 Jan. 21, 00:15 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2008 A1 (McNAUGHT)
Observations:
CK08A010 C2008 01 12.10073 06 32 55.58 -43 54 19.1 EB025834
CK08A010 C2008 01 12.12213 06 32 53.38 -43 54 25.7 EB025834
CK08A010 C2008 01 12.15574 06 32 49.84 -43 54 36.2 EB025834
CK08A010 2008 01 12.57778 06 32 06.34 -43 56 50.3 15.5 T EB025372
CK08A010 2008 01 12.61667 06 32 02.27 -43 57 02.0 15.5 T EB025372
CK08A010 2008 01 12.64965 06 31 58.79 -43 57 12.1 15.3 T EB025372
CK08A010 C2008 01 13.08064 06 31 14.46 -43 59 20.7 EB025834
CK08A010 C2008 01 13.09319 06 31 13.15 -43 59 24.5 EB025834
CK08A010 C2008 01 13.10427 06 31 11.97 -43 59 27.9 EB025834
CK08A010 C2008 01 14.46261 06 28 51.23 -44 05 52.5 13.2 T EB025E00
CK08A010 C2008 01 14.47234 06 28 50.32 -44 05 54.3 13.6 T EB025E00
CK08A010 C2008 01 14.48314 06 28 49.20 -44 05 56.8 EB025D90
CK08A010 C2008 01 14.48319 06 28 49.25 -44 05 58.3 13.3 T EB025E00
CK08A010 C2008 01 14.48988 06 28 48.51 -44 05 58.6 15.6 T EB025D90
CK08A010 C2008 01 14.49835 06 28 47.62 -44 05 59.9 13.9 T EB025E00
CK08A010 C2008 01 15.43962 06 27 09.87 -44 10 02.7 16.1 T EB025423
CK08A010 C2008 01 15.48476 06 27 05.13 -44 10 13.8 16.2 T EB025423
CK08A010 C2008 01 15.59054 06 26 53.95 -44 10 39.6 16.6 N EB025415
CK08A010 C2008 01 15.59689 06 26 53.30 -44 10 41.2 16.8 N EB025415
CK08A010 C2008 01 16.28154 06 25 42.24 -44 13 25.3 14.5 T EB025673
CK08A010 C2008 01 16.28316 06 25 41.94 -44 13 25.7 EB025673
CK08A010 C2008 01 16.28767 06 25 41.49 -44 13 26.9 EB025673
CK08A010 C2008 01 16.29566 06 25 40.67 -44 13 28.3 EB025673
CK08A010 2008 01 16.61736 06 25 07.16 -44 14 41.2 15.6 T EB025372
Observer details:
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
834 Buenos Aires-AAAA. Observers R. Mackintosh, M. Konishi, R. Mykytyuk.
Measurer R. Mackintosh. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
D90 RAS Observatory, Moorook. Observer M. Suzuki. 0.25-m f/6.0 reflector
+ CCD.
E00 Castlemaine. Observer M. Mattiazzo. 0.28-m f/3.3 Schmidt-Cassegrain
+ CCD.
Orbital elements:
C/2008 A1 (McNaught)
T 2008 Sept. 29.475 TT MPC
q 1.07639 (2000.0) P Q
Peri. 348.392 +0.110001 +0.152689
Node 277.960 -0.813974 -0.553223
e 1.0 Incl. 82.607 -0.570391 +0.818920
From 53 observations 2008 Jan. 10-16.
Ephemeris:
C/2008 A1 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 01 15 06 27.93 -44 08.2 3.199 3.686 112.3 14.3 14.7
2008 01 25 06 10.67 -44 33.0 3.133 3.579 109.1 15.1 14.5
2008 02 04 05 54.32 -44 23.2 3.085 3.471 104.9 15.9 14.4
2008 02 14 05 39.97 -43 43.5 3.048 3.362 99.9 16.8 14.2
2008 02 24 05 28.34 -42 41.0 3.021 3.252 94.5 17.7 14.0
2008 03 05 05 19.78 -41 23.9 2.997 3.141 89.0 18.4 13.9
2008 03 15 05 14.34 -39 59.5 2.974 3.030 83.6 19.0 13.7
2008 03 25 05 11.88 -38 34.8 2.947 2.917 78.5 19.6 13.5
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-B25
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