Central Bureau for Astronomical Telegrams
IAUC 3280: 1978m; 1978k
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Read IAUC 3281
Circular No. 3280
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM Telephone 617-864-5758
COMET SEARGENT (1978m)
The following approximate positions have been reported:
1978 UT R. A. (1950) Decl. m1 Observer
Oct. 2.70556 11 56 -39 20 6 Goodman
2.85903 11 54.7 -38 55 5 Verveer
D. Goodman (Wellington, New Zealand). 12 x 50 binoculars. Diffuse
without condensation, tail < 1o. Communicated by A. C. Gilmore.
A. Verveer (Perth Observatory). Correction to IAUC 3277.
PERIODIC COMET GICLAS (1978k)
H. L. Giclas, Lowell Observatory, provides the following precise
positions. Measurer: M. L. Kantz.
1978 UT R. A. (1950) Decl.
Sept.23.23056 0 05 01.83 -11 50 35.7
27.26319 0 03 51.20 -12 33 03.2
The following improved elliptical elements, by B. G. Marsden,
are from seven observations Sept. 8 to 27:
T = 1978 Nov. 21.587 ET
Peri. = 247.523 e = 0.51243
Node = 141.484 1950.0 a = 3.54688 AU
Incl. = 8.528 n = 0.147548
q = 1.72936 AU P = 6.68 years
1978 ET R. A. (1950) Decl. Delta r m1
Oct. 9 0 00.89 -14 12.5
19 0 00.10 -14 58.7 0.839 1.758 15.6
29 0 01.88 -15 04.1
Nov. 8 0 06.70 -14 29.5 0.927 1.734 15.7
18 0 14.61 -13 19.6
28 0 25.28 -11 40.7 1.061 1.730 16.0
Dec. 8 0 38.36 - 9 39.1
18 0 53.40 - 7 21.1 1.228 1.747 16.4
28 1 10.01 - 4 52.2
m1 = 13.5 + 5 log Delta + 10 log r
1978 October 4 (3280) Brian G. Marsden
Read IAUC 3281
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