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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-L17 : COMET C/2005 L3 (McNAUGHT)

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M.P.E.C. 2005-L17                                Issued 2005 June 5, 17:01 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.

                  Supported in part by the Brinson Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                          COMET C/2005 L3 (McNAUGHT)

Observations:
    CK05L030  C2005 06 03.67556 21 36 01.71 -33 05 00.3          17.7 T EL017E12
    CK05L030  C2005 06 03.68537 21 36 01.51 -33 05 01.1          17.8 T EL017E12
    CK05L030  C2005 06 03.69520 21 36 01.26 -33 05 03.1          18.4 T EL017E12
    CK05L030  C2005 06 03.70509 21 36 01.00 -33 05 04.3          18.1 T EL017E12
    CK05L030  C2005 06 03.74339 21 36 00.14 -33 05 09.2          18.2 T EL017E12
    CK05L030  C2005 06 03.74985 21 35 59.99 -33 05 10.3          17.8 T EL017E12
    CK05L030  C2005 06 03.75637 21 35 59.81 -33 05 10.3          18.0 T EL017E12
    CK05L030  C2005 06 03.76321 21 35 59.65 -33 05 11.8          17.7 T EL017E12
    CK05L030  C2005 06 03.82198 21 35 58.26 -33 05 19.4          18.1 T EL017E12
    CK05L030  C2005 06 03.82516 21 35 58.16 -33 05 20.3          18.8 T EL017E12
    CK05L030  C2005 06 03.82836 21 35 58.09 -33 05 20.5          18.0 T EL017E12
    CK05L030  C2005 06 04.59676 21 35 40.03 -33 06 57.8          18.3 T EL017474
    CK05L030  C2005 06 04.60150 21 35 39.88 -33 06 58.1          18.0 T EL017474
    CK05L030  C2005 06 04.60373 21 35 39.84 -33 06 59.0          18.5 T EL017E12
    CK05L030  C2005 06 04.60938 21 35 39.73 -33 06 59.1          17.7 T EL017E12
    CK05L030  C2005 06 04.61088 21 35 39.70 -33 06 59.6          18.1 T EL017474
    CK05L030  C2005 06 04.61497 21 35 39.74 -33 07 00.2          18.4 T EL017E12
    CK05L030  C2005 06 04.62059 21 35 39.49 -33 07 01.3          18.6 T EL017E12
    CK05L030  C2005 06 04.69808 21 35 37.57 -33 07 11.0          18.1 N EL017428
    CK05L030  C2005 06 04.70081 21 35 37.51 -33 07 11.3          17.9 N EL017428
    CK05L030  C2005 06 04.70625 21 35 37.41 -33 07 11.9          18.0 N EL017428
    CK05L030  C2005 06 04.70900 21 35 37.36 -33 07 12.2          17.9 N EL017428
    CK05L030  C2005 06 05.59230 21 35 15.99 -33 09 05.9          18.3 T EL017474
    CK05L030  C2005 06 05.59647 21 35 15.87 -33 09 06.4          18.1 T EL017474
    CK05L030  C2005 06 05.59764 21 35 15.86 -33 09 07.0          17.9 T EL017E12
    CK05L030  C2005 06 05.60237 21 35 15.71 -33 09 07.5          18.2 T EL017474
    CK05L030  C2005 06 05.60727 21 35 15.62 -33 09 08.1          18.4 T EL017E12
    CK05L030  C2005 06 05.61692 21 35 15.38 -33 09 09.3          18.6 T EL017E12
    CK05L030  C2005 06 05.62651 21 35 15.15 -33 09 10.7          17.9 T EL017E12

Observer details:
428 Reedy Creek.  Observer J. Broughton.  0.51-m f/2.7 reflector + CCD.
474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  1.0-m f/7.7
    reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers E. C. Beshore,
    C. M. Casey, E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill,
    S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.

Orbital elements:
    C/2005 L3 (McNaught)
T 2008 Jan. 10.955 TT                                   MPC
q   5.33517              (2000.0)            P               Q
                   Peri.   50.099       -0.335480       -0.706906
                   Node   289.093       -0.930415       +0.352187
e   1.0            Incl.  138.781       +0.147585       +0.613391
From 29 observations 2005 June 3-5.

Ephemeris:
    C/2005 L3 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2005 05 30    21 37.72   -32 55.4    8.183    8.609   111.7     6.3  17.9
2005 06 09    21 33.81   -33 16.6    7.983    8.558   121.6     5.8  17.8
2005 06 19    21 28.82   -33 39.7    7.800    8.507   131.5     5.1  17.8
2005 06 29    21 22.79   -34 03.4    7.640    8.456   141.2     4.3  17.7
2005 07 09    21 15.80   -34 26.1    7.505    8.406   150.6     3.4  17.6
2005 07 19    21 08.01   -34 45.9    7.401    8.355   158.5     2.6  17.6
2005 07 29    20 59.66   -35 01.4    7.329    8.304   162.7     2.1  17.5

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-L17

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