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IAU Minor Planet Center

Minor Planet Center

MPEC 2007-G43 : COMET C/2007 F1 (LONEOS)

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M.P.E.C. 2007-G43                                Issued 2007 Apr. 13, 14:41 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://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                           COMET C/2007 F1 (LONEOS)

Observations:
    CK07F010  C2007 04 05.83948 10 56 44.48 +23 54 14.4          18.3 T EG043585
    CK07F010  C2007 04 05.84801 10 56 43.62 +23 54 19.2          19.3 N EG043585
    CK07F010  C2007 04 05.85753 10 56 43.01 +23 54 25.4          19.3 N EG043585
    CK07F010  C2007 04 05.86249 10 56 42.44 +23 54 27.6          19.3 N EG043585
    CK07F010  C2007 04 08.81944 10 52 23.97 +24 26 21.8                 EG043246
    CK07F010  C2007 04 08.82031 10 52 23.85 +24 26 21.7                 EG043246
    CK07F010  C2007 04 08.82170 10 52 23.65 +24 26 22.7                 EG043246
    CK07F010  C2007 04 08.82355 10 52 23.48 +24 26 23.6                 EG043246
    CK07F010  C2007 04 08.82517 10 52 23.38 +24 26 26.0                 EG043246
    CK07F010  C2007 04 08.82593 10 52 23.27 +24 26 27.0                 EG043246
    CK07F010  C2007 04 08.82687 10 52 23.21 +24 26 26.2                 EG043246
    CK07F010  C2007 04 10.84921 10 49 29.39 +24 47 06.3                 EG043246
    CK07F010  C2007 04 10.85029 10 49 29.29 +24 47 07.8                 EG043246
    CK07F010  C2007 04 10.85111 10 49 29.27 +24 47 07.9                 EG043246
    CK07F010  C2007 04 10.85191 10 49 29.13 +24 47 09.4                 EG043246
    CK07F010  C2007 04 10.85285 10 49 29.10 +24 47 09.5                 EG043246
    CK07F010  C2007 04 10.85448 10 49 28.99 +24 47 09.6                 EG043246

Observer details:
246 Klet Observatory-KLENOT.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
585 Kiev comet station.  Observer A. Baransky.  0.70-m f/4 reflector + CCD.

Orbital elements:
    C/2007 F1 (LONEOS)
T 2007 Oct. 28.769 TT                                   MPC
q   0.40229              (2000.0)            P               Q
                   Peri.  153.720       +0.913838       +0.390536
                   Node   172.884       -0.082946       -0.088720
e   1.0            Incl.  116.072       +0.397517       -0.916303
From 76 observations 2007 Mar. 19-Apr. 10.

Ephemeris:
    C/2007 F1 (LONEOS)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 04 10    10 50.70   +24 38.6    2.669    3.428   132.7    12.4  17.5
2007 04 20    10 37.13   +26 09.2    2.684    3.304   120.1    15.2  17.3
2007 04 30    10 25.49   +27 17.4    2.718    3.177   108.0    17.5  17.2
2007 05 10    10 16.21   +28 05.2    2.764    3.049    96.5    19.2  17.0
2007 05 20    10 09.49   +28 35.9    2.814    2.918    85.7    20.2  16.9
2007 05 30    10 05.31   +28 53.3    2.859    2.784    75.5    20.6  16.7

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-G43

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