Central Bureau for Astronomical Telegrams
IAUC 3402: 1979g
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Read IAUC 3403
Circular No. 3402
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
PERIODIC COMET SCHWASSMANN-WACHMANN 3 (1979g)
Further precise positions from the Perth Observatory:
1979 UT R. A. (1950) Decl. Observer
Aug. 19.46910 12 55 56.44 - 5 48 28.8 M. P. Candy
21.46111 13 02 52.81 - 6 58 34.6 C. Pratt
21.47708 13 02 56.14 - 6 59 07.4 "
22.46111 13 06 25.41 - 7 34 08.0 "
Improved orbital elements by the undersigned:
T = 1979 Sept. 2.814 ET
Peri. = 198.823 e = 0.69189
Node = 69.400 1950.0 a = 3.04819 AU
Incl. = 11.383 n = 0.185200
q = 0.93919 AU P = 5.32 years
1979 ET R. A. (1950) Decl. Delta r m1
Sept. 14 14 39.54 -21 27.7 1.083 0.954 12.5
19 15 04.38 -24 24.8
24 15 30.97 -27 09.6 1.053 0.989 12.6
29 15 59.26 -29 37.0
Oct. 4 16 29.05 -31 41.5 1.047 1.043 12.8
9 16 59.99 -33 18.8
14 17 31.55 -34 25.8 1.071 1.111 13.1
19 18 03.10 -35 01.3
24 18 34.01 -35 06.4 1.124 1.190 13.5
29 19 03.71 -34 44.0
Nov. 3 19 31.78 -33 58.1 1.205 1.276 14.0
8 19 57.98 -32 53.4
13 20 22.24 -31 34.4 1.312 1.366 14.4
18 20 44.59 -30 05.2
23 21 05.18 -28 29.1 1.440 1.459 14.9
28 21 24.14 -26 49.1
Dec. 3 21 41.66 -25 07.1 1.585 1.553 15.4
8 21 57.89 -23 24.7
13 22 13.01 -21 43.0 1.744 1.647 15.9
18 22 27.16 -20 02.8
23 22 40.48 -18 24.5 1.913 1.741 16.3
Photoelectric observations by P. Birch, Perth Observatory:
Aug. 22.475 UT, B = 12.11, V = 11.43 (aperture 100").
1979 September 13 (3402) Brian G. Marsden
Read IAUC 3403
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