Central Bureau for Astronomical Telegrams
IAUC 3138: 1977o
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Read IAUC 3139
Circular No. 3138
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Cable Address: SATELLITES, NEWYORK Telex: 921428
Telephone: (617) 864-5758
PERIODIC COMET SCHUSTER (1977o)
The following precise positions have been reported:
1977 UT R. A. (1950) Decl. Mag. Observer
Oct. 10.31771 23 32 31.52 -36 44 14.6 Schuster
13.25556 23 30 06.89 -36 01 49.6 "
17.51042 23 27 12.3 -34 50 45 16 Seki
31.55417 23 22 38.42 -30 04 19.5 Candy
H.-E. Schuster (European Southern Observatory). 100-cm Schmidt
telescope. Measurer: L. D. Schmadel.
T. Seki (Kochi Observatory, Geisei Station). From Orient. Astron.
Assoc. Comet Bull. No. 154.
M. P. Candy (Perth Observatory, Bickley).
The following improved elliptical elements, by B. G. Marsden,
are from 21 observations Sept. 5 to Oct. 31:
T = 1978 Jan. 6.8151 ET
Peri. = 353.9256 e = 0.574322
Node = 50.8293 1950.0 a = 3.823343 AU
Incl. = 20.4467 n = 0.1318376
q = 1.627511 AU P = 7.476 years
1977/78 ET R. A. (1950) Decl. Delta r m2
Dec. 3 23 41.82 -15 37.5 1.197 1.666 16.6
13 23 54.28 -10 47.8
23 0 09.03 - 5 57.5 1.322 1.635 16.7
Jan. 2 0 25.67 - 1 10.9
12 0 43.98 + 3 28.6 1.472 1.628 17.0
22 1 03.79 + 7 58.0
Feb. 1 1 24.95 +12 14.3 1.643 1.648 17.2
11 1 47.40 +16 15.2
21 2 11.08 +19 58.4 1.834 1.691 17.6
Mar. 3 2 35.91 +23 21.8
13 3 01.83 +26 23.6 2.042 1.756 18.0
23 3 28.73 +29 02.6
Apr. 2 3 56.45 +31 17.4 2.262 1.838 18.4
12 4 24.80 +33 07.7
22 4 53.54 +34 33.2 2.489 1.934 18.8
May 2 5 22.39 +35 34.5
12 5 51.10 +36 12.6 2.717 2.040 19.3
1977 November 15 (3138) Brian G. Marsden
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