MPEC 2007-H32 : COMET C/2007 H1 (McNAUGHT)
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M.P.E.C. 2007-H32 Issued 2007 Apr. 20, 18:41 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2007 H1 (McNAUGHT)
Observations:
CK07H010 C2007 04 17.78663 21 59 34.74 -09 09 15.9 16.1 T EH032E12
CK07H010 C2007 04 17.79411 21 59 35.48 -09 09 13.0 EH032E12
CK07H010 C2007 04 17.80161 21 59 36.25 -09 09 09.8 EH032E12
CK07H010 C2007 04 17.80909 21 59 37.04 -09 09 07.5 EH032E12
CK07H010 C2007 04 17.81840 21 59 38.00 -09 09 03.4 EH032E12
CK07H010 C2007 04 18.43525 22 00 41.82 -09 04 56.0 16.8 T EH032H36
CK07H010 C2007 04 18.43782 22 00 42.13 -09 04 54.3 17.0 T EH032H36
CK07H010 C2007 04 18.44039 22 00 42.37 -09 04 51.7 16.7 T EH032H36
CK07H010 C2007 04 18.46156 22 00 44.64 -09 04 44.6 EH032H06
CK07H010 C2007 04 18.46992 22 00 45.44 -09 04 40.7 16.1 T EH032H06
CK07H010 C2007 04 18.75709 22 01 15.25 -09 02 40.4 16.2 T EH032E12
CK07H010 C2007 04 18.75797 22 01 15.33 -09 02 40.0 EH032E12
CK07H010 C2007 04 18.75885 22 01 15.43 -09 02 39.4 EH032E12
CK07H010 C2007 04 19.47110 22 02 28.99 -08 57 52.9 16.4 T EH032H06
CK07H010 C2007 04 19.47812 22 02 29.73 -08 57 51.1 16.5 T EH032H06
CK07H010 C2007 04 19.58353 22 02 40.58 -08 57 04.3 16.7 N EH032F85
CK07H010 C2007 04 19.59146 22 02 41.43 -08 57 00.9 EH032F85
CK07H010 C2007 04 19.63088 22 02 45.42 -08 56 44.9 16.9 N EH032F85
CK07H010 C2007 04 19.78571 22 03 01.47 -08 55 40.8 16.8 T EH032E03
CK07H010 C2007 04 19.79453 22 03 02.36 -08 55 37.1 16.9 T EH032E03
CK07H010 C2007 04 19.80847 22 03 03.78 -08 55 32.3 EH032E12
CK07H010 C2007 04 20.43614 22 04 08.48 -08 51 20.9 17.2 T EH032H36
CK07H010 C2007 04 20.43873 22 04 08.72 -08 51 18.3 16.9 N EH032H36
CK07H010 C2007 04 20.44132 22 04 08.92 -08 51 17.1 16.2 N EH032H36
CK07H010 C2007 04 20.44389 22 04 09.24 -08 51 18.4 17.8 N EH032H36
Observer details:
E03 RAS Observatory, Victoria. Observers E. Guido, G. Sostero. 0.31-m f/9.0
Ritchey-Chretien + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
F85 Tiki Observatory, Punaauia. Observers N. Teamo, S. Hoenig. Measurer
S. Hoenig. 0.41-m f/8.0 Ritchey-Chretien + CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero. 0.25-m f/3.4
reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.30-m
Schmidt-Cassegrain + CCD.
Orbital elements:
C/2007 H1 (McNaught)
T 2007 June 15.828 TT MPC
q 2.61460 (2000.0) P Q
Peri. 181.324 +0.856820 +0.505410
Node 147.663 -0.471297 +0.847973
e 1.0 Incl. 11.002 -0.209138 +0.159697
From 25 observations 2007 Apr. 17-20.
Ephemeris:
C/2007 H1 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 04 20 22 03.39 -08 54.3 3.045 2.683 59.7 18.9 16.2
2007 04 30 22 20.32 -07 46.9 2.923 2.662 65.1 20.1 16.1
2007 05 10 22 36.70 -06 41.5 2.801 2.644 70.6 21.1 16.0
2007 05 20 22 52.42 -05 40.1 2.680 2.630 76.3 21.9 15.8
2007 05 30 23 07.35 -04 44.7 2.560 2.621 82.1 22.5 15.7
2007 06 09 23 21.36 -03 57.3 2.444 2.616 88.1 22.8 15.6
2007 06 19 23 34.27 -03 19.9 2.331 2.615 94.5 22.8 15.5
2007 06 29 23 45.90 -02 54.7 2.224 2.618 101.2 22.4 15.4
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-H32
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