MPEC 2007-M23 : COMET C/2007 M1 (McNAUGHT)
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M.P.E.C. 2007-M23 Issued 2007 June 21, 20:12 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 M1 (McNAUGHT)
Observations:
CK07M010 C2007 06 18.28029 20 41 03.71 -00 09 35.9 20.0 T EM023H55
CK07M010 C2007 06 18.28493 20 41 03.58 -00 09 35.3 20.0 T EM023H55
CK07M010 C2007 06 18.28954 20 41 03.38 -00 09 34.5 19.6 T EM023H55
CK07M010 C2007 06 18.29413 20 41 03.18 -00 09 34.4 20.0 T EM023H55
CK07M010 C2007 06 18.29882 20 41 03.02 -00 09 34.2 20.1 T EM023H55
CK07M010 C2007 06 19.99887 20 39 58.28 -00 06 31.0 20.0 T EM023A77
CK07M010 C2007 06 20.01326 20 39 57.70 -00 06 29.6 19.6 T EM023A77
CK07M010 C2007 06 20.02744 20 39 57.19 -00 06 27.0 19.9 T EM023A77
CK07M010 C2007 06 21.21665 20 39 11.12 -00 04 25.3 19.1 N EM023850
CK07M010 C2007 06 21.23986 20 39 10.22 -00 04 20.2 19.6 N EM023850
CK07M010 C2007 06 21.63845 20 38 54.38 -00 03 40.2 19.2 N EM023415
CK07M010 C2007 06 21.65532 20 38 53.81 -00 03 38.9 19.3 N EM023415
Observer details:
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig,
T. B. Triplett, J. K. Ross, M. A. O'Donnell. 0.30-m f/3
Schmidt-Cassegrain + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
Measurer C. Rinner. 0.5-m f/3 reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.81-m f/4.0 astrograph + CCD.
Orbital elements:
C/2007 M1 (McNaught)
T 2008 June 7.321 TT MPC
q 7.64206 (2000.0) P Q
Peri. 47.849 +0.251796 -0.900339
Node 326.769 -0.961920 -0.192530
e 1.0 Incl. 139.631 +0.106342 +0.390283
From 29 observations 2007 June 16-21.
Ephemeris:
C/2007 M1 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 06 19 20 40.61 -00 08.3 7.234 7.952 132.1 5.4 19.3
2007 06 29 20 33.89 +00 07.4 7.111 7.935 141.8 4.5 19.3
2007 07 09 20 26.53 +00 18.0 7.016 7.919 150.7 3.6 19.2
2007 07 19 20 18.71 +00 23.3 6.953 7.903 157.6 2.8 19.2
2007 07 29 20 10.69 +00 23.5 6.925 7.887 160.1 2.5 19.2
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-M23
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