MPEC 2004-D25 : COMET C/2004 C1 (LARSEN)
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M.P.E.C. 2004-D25 Issued 2004 Feb. 21, 00:23 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 Steven and Michele Kirsch 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/2004 C1 (LARSEN)
Observations:
CK04C010 C2004 02 13.93887 10 16 10.11 +09 51 57.2 ED025213
CK04C010 C2004 02 13.94334 10 16 10.02 +09 51 59.7 ED025213
CK04C010 C2004 02 13.94850 10 16 10.04 +09 52 03.2 19.2 N ED025176
CK04C010 C2004 02 13.95003 10 16 09.89 +09 52 03.9 ED025213
CK04C010 C2004 02 13.95544 10 16 09.87 +09 52 05.6 19.3 N ED025176
CK04C010 C2004 02 13.96238 10 16 09.70 +09 52 08.1 19.0 N ED025176
CK04C010 C2004 02 13.96945 10 16 09.53 +09 52 10.7 18.8 N ED025176
CK04C010 C2004 02 14.39653 10 15 59.02 +09 55 01.9 19.5 T ED025673
CK04C010 C2004 02 14.40000 10 15 58.92 +09 55 03.4 ED025673
CK04C010 C2004 02 14.40486 10 15 58.78 +09 55 05.4 ED025673
CK04C010 C2004 02 14.41123 10 15 58.62 +09 55 07.9 ED025673
CK04C010 C2004 02 15.10455 10 15 41.37 +09 59 43.9 18.5 N ED025204
CK04C010 C2004 02 15.11541 10 15 41.11 +09 59 47.9 18.7 N ED025204
CK04C010 C2004 02 15.70137 10 15 26.56 +10 03 42.8 19.2 T ED025360
CK04C010 C2004 02 15.70564 10 15 26.45 +10 03 44.6 ED025360
CK04C010 C2004 02 15.70959 10 15 26.35 +10 03 45.8 ED025360
CK04C010 C2004 02 17.93624 10 14 30.89 +10 18 36.9 19.6 N ED025493
CK04C010 C2004 02 17.94245 10 14 30.74 +10 18 39.4 19.7 N ED025493
CK04C010 C2004 02 17.94876 10 14 30.39 +10 18 41.1 ED025213
CK04C010 C2004 02 17.95031 10 14 30.34 +10 18 41.5 ED025213
CK04C010 C2004 02 17.95179 10 14 30.27 +10 18 41.8 ED025213
CK04C010 C2004 02 17.95457 10 14 30.20 +10 18 43.0 ED025213
CK04C010 C2004 02 17.97317 10 14 29.89 +10 18 50.1 ED025246
CK04C010 C2004 02 17.97400 10 14 29.84 +10 18 50.9 ED025246
CK04C010 C2004 02 17.97522 10 14 29.82 +10 18 51.4 ED025246
CK04C010 C2004 02 17.97722 10 14 29.81 +10 18 52.6 ED025246
CK04C010 C2004 02 17.97822 10 14 29.74 +10 18 52.6 ED025246
CK04C010 C2004 02 18.59542 10 14 14.35 +10 23 00.5 19.2 T ED025360
CK04C010 C2004 02 18.60034 10 14 14.18 +10 23 02.8 ED025360
CK04C010 C2004 02 18.60554 10 14 14.07 +10 23 04.9 ED025360
CK04C010 C2004 02 19.31770 10 13 55.95 +10 27 47.9 19.7 N ED025850
CK04C010 C2004 02 19.32742 10 13 55.79 +10 27 54.2 20.0 N ED025850
CK04C010 C2004 02 19.34270 10 13 55.44 +10 27 58.6 19.1 N ED025850
CK04C010 C2004 02 19.36285 10 13 55.07 +10 28 12.5 20.1 N ED025850
Observer details:
176 Observatori Astronomic de Consell. Observers A. Lopez, R. Pacheco,
J. Forteza. 0.41-m f/4 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 Newtonian
+ CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/5.5 Schmidt-Cassegrain + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, M. Kocer, J. Ticha. 1.06-m
KLENOT Telescope + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/5.8 Ritchey-Chretien + CCD.
493 Calar Alto. Observers M. Buchmann, M. Busch, F. Hormuth. 1.52-m
reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m
reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, H. M. Perry.
0.30-m f/5.86 Schmidt-Cassegrain + CCD.
Orbital elements:
C/2004 C1 (Larsen)
T 2004 Nov. 23.658 TT MPC
q 7.95375 (2000.0) P Q
Peri. 16.640 -0.848862 +0.227356
Node 151.452 +0.294163 -0.546920
e 1.0 Incl. 86.973 +0.439205 +0.805722
From 44 observations 2004 Feb. 12-19.
Ephemeris:
C/2004 C1 (Larsen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 02 15 10 15.73 +09 59.0 7.156 8.138 173.3 0.8 20.0
2004 02 25 10 11.55 +11 05.9 7.139 8.125 175.2 0.6 19.9
2004 03 06 10 07.41 +12 12.0 7.156 8.113 163.8 2.0 20.1
2004 03 16 10 03.53 +13 15.9 7.205 8.101 152.6 3.2 20.1
2004 03 26 10 00.10 +14 15.9 7.286 8.090 141.5 4.4 20.2
2004 04 05 09 57.27 +15 10.9 7.392 8.079 130.6 5.4 20.3
2004 04 15 09 55.17 +16 00.3 7.519 8.069 120.1 6.2 20.4
2004 04 25 09 53.85 +16 43.6 7.663 8.059 109.8 6.7 20.5
2004 05 05 09 53.37 +17 20.9 7.817 8.049 99.7 7.1 20.5
2004 05 15 09 53.70 +17 52.5 7.976 8.040 90.0 7.2 20.6
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-D25
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