MPEC 2007-U89 : COMET C/2007 T1 (McNAUGHT)

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M.P.E.C. 2007-U89                                Issued 2007 Oct. 30, 15:26 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/2007 T1 (McNAUGHT)

Observations:
    CK07T010  C2007 10 12.46266 17 16 21.91 -11 45 57.7          14.8 T EU089E00
    CK07T010  C2007 10 12.46989 17 16 21.61 -11 46 16.9          14.0 T EU089E00
    CK07T010  C2007 10 12.47793 17 16 21.37 -11 46 35.2          14.7 T EU089E00
    CK07T010  C2007 10 14.40815 17 15 16.75 -13 05 40.6          13.8 T EU089E00
    CK07T010  C2007 10 14.41199 17 15 16.60 -13 05 48.8          14.1 T EU089E00
    CK07T010  C2007 10 14.42295 17 15 16.28 -13 06 14.2          14.1 T EU089E00
    CK07T010   2007 10 21.39306 17 12 10.65 -17 36 15.7          15.5 T EU089372
    CK07T010   2007 10 21.40058 17 12 10.45 -17 36 32.5                 EU089372
    CK07T010   2007 10 21.40729 17 12 10.37 -17 36 47.5                 EU089372
    CK07T010   2007 10 23.40417 17 11 28.82 -18 50 04.7          15.6 T EU089372
    CK07T010  C2007 10 28.36963 17 10 04.05 -21 45 50.1                 EU089349
    CK07T010  C2007 10 28.37159 17 10 04.03 -21 45 54.0                 EU089349
    CK07T010  C2007 10 28.37354 17 10 03.99 -21 45 58.1          11.9 T EU089349
    CK07T010  C2007 10 28.37502 17 10 03.97 -21 46 00.7                 EU089D88
    CK07T010  C2007 10 28.37860 17 10 03.90 -21 46 08.1                 EU089D88
    CK07T010  C2007 10 28.38220 17 10 03.86 -21 46 15.6          12.7 T EU089D88

Observer details:
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
372 Geisei.  Observer T. Seki.  0.60-m f/3.5 reflector.
D88 Hiratsuka.  Observer Y. Sugiyama.  0.25-m f/5.0 reflector + CCD.
E00 Castlemaine.  Observer M. Mattiazzo.  0.28-m f/3.3 Schmidt-Cassegrain
    + CCD.  Long. = 144.2089, rho cos phi' = 0.79902, rho sin phi' = -0.59937.

Orbital elements:
    C/2007 T1 (McNaught)
T 2007 Dec. 12.519 TT                                   MPC
q   0.96885              (2000.0)            P               Q
                   Peri.  233.725       -0.132080       -0.550104
                   Node   111.429       -0.346637       +0.804983
e   1.0            Incl.  117.648       -0.928653       -0.222235
From 207 observations 2007 Oct. 9-28.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-U89

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