MPEC 2009-F54 : COMET C/2009 F4 (McNAUGHT)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2009-F53
Read MPEC 2009-F55
M.P.E.C. 2009-F54 Issued 2009 Mar. 21, 15:43 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/2009 F4 (McNAUGHT)
Observations:
CK09F040 C2009 03 19.68311 15 47 03.25 -23 10 41.8 17.8 T EF054E12
CK09F040 C2009 03 19.69209 15 47 03.10 -23 10 42.9 17.9 T EF054E12
CK09F040 C2009 03 19.70122 15 47 02.97 -23 10 44.2 17.9 T EF054E12
CK09F040 C2009 03 19.71036 15 47 02.85 -23 10 45.2 18.1 T EF054E12
CK09F040 C2009 03 20.36449 15 46 53.57 -23 12 14.5 17.5 T EF054H06
CK09F040 C2009 03 20.37818 15 46 53.38 -23 12 16.6 17.5 T EF054H06
CK09F040 C2009 03 20.40904 15 46 52.87 -23 12 20.0 18.3 N EF054H55
CK09F040 C2009 03 20.41117 15 46 52.85 -23 12 20.5 18.0 T EF054H06
CK09F040 C2009 03 20.41322 15 46 52.80 -23 12 20.7 18.2 N EF054H55
CK09F040 C2009 03 20.41776 15 46 52.73 -23 12 21.3 18.4 N EF054H55
CK09F040 C2009 03 20.44664 15 46 52.36 -23 12 25.1 18.2 N EF054673
CK09F040 C2009 03 20.47269 15 46 51.97 -23 12 28.7 EF054673
CK09F040 C2009 03 20.48414 15 46 51.78 -23 12 30.3 EF054673
CK09F040 C2009 03 20.49583 15 46 51.61 -23 12 31.7 EF054673
CK09F040 C2009 03 20.57164 15 46 50.56 -23 12 41.0 18.2 N EF054F86
CK09F040 C2009 03 20.57760 15 46 50.41 -23 12 42.0 18.4 N EF054F86
CK09F040 C2009 03 20.58411 15 46 50.31 -23 12 42.9 18.7 N EF054F86
CK09F040 C2009 03 20.59356 15 46 50.25 -23 12 43.5 18.0 T EF054E12
CK09F040 C2009 03 20.59590 15 46 50.22 -23 12 44.1 18.1 T EF054E12
CK09F040 C2009 03 20.74792 15 46 47.93 -23 13 04.3 18.0 T EF054E12
CK09F040 C2009 03 20.75168 15 46 47.88 -23 13 05.0 17.9 T EF054E12
CK09F040 C2009 03 20.80842 15 46 47.05 -23 13 13.1 EF054E12
CK09F040 C2009 03 21.28021 15 46 40.14 -23 14 15.6 EF054808
CK09F040 C2009 03 21.29132 15 46 39.94 -23 14 16.9 EF054808
CK09F040 C2009 03 21.30058 15 46 39.81 -23 14 18.0 EF054808
CK09F040 C2009 03 21.31030 15 46 39.68 -23 14 19.3 EF054808
CK09F040 C2009 03 21.31910 15 46 39.52 -23 14 20.6 EF054808
CK09F040 C2009 03 21.38466 15 46 38.63 -23 14 30.3 18.2 N EF054854
CK09F040 C2009 03 21.39137 15 46 38.46 -23 14 30.9 18.2 N EF054854
CK09F040 C2009 03 21.39809 15 46 38.38 -23 14 31.7 18.5 N EF054854
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
808 El Leoncito. Observer H. S. Lepez. 0.5-m f/7.5 double astrograph + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
F86 Moana Observatory, Punaauia. Observer N. Teamo. 0.35-m f/8.0
Ritchey-Chretien + CCD. Long. = 210.38381, rho cos phi' = 0.95330,
rho sin phi' = -0.301004.
H06 RAS Observatory, Mayhill. Observers R. Ligustri, E. Guido, G. Sostero.
0.25-m f/3.4 reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer S. Foglia. 0.81-m reflector + CCD.
Orbital elements:
C/2009 F4 (McNaught)
T 2012 Jan. 10.967 TT MPC
q 5.80600 (2000.0) P Q
Peri. 256.890 +0.000090 +0.608064
Node 53.687 +0.123361 +0.787818
e 1.0 Incl. 80.138 -0.992362 +0.097989
From 30 observations 2009 Mar. 19-21.
Ephemeris:
C/2009 F4 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 03 20 15 46.98 -23 11.4 8.551 9.085 119.7 5.5 17.2
2009 03 30 15 44.19 -23 32.9 8.361 9.036 130.1 4.9 17.2
2009 04 09 15 40.59 -23 52.5 8.192 8.988 140.6 4.1 17.1
2009 04 19 15 36.28 -24 09.9 8.047 8.940 151.1 3.1 17.0
2009 04 29 15 31.40 -24 25.1 7.931 8.892 161.5 2.1 17.0
2009 05 09 15 26.11 -24 38.0 7.845 8.844 171.0 1.0 16.9
2009 05 19 15 20.63 -24 48.8 7.791 8.796 172.7 0.8 16.9
2009 05 29 15 15.16 -24 57.9 7.769 8.748 164.0 1.8 16.9
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-F54
Read MPEC 2009-F53
Read MPEC 2009-F55
Our Web policy. Index to the CBAT/MPC/ICQ pages.
