Central Bureau for Astronomical Telegrams
IAUC 2263: 1970g; 1969i
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Read IAUC 2264
Circular No. 2263
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
Western Union: RAPID SATELLITE CAMBMASS
COMET ABE (1970g)
The following precise positions have been obtained at the
Perth Observatory, Bickley, by D. Harwood and D. Gans. The comet
is diffuse, with central condensation.
1970 UT R. A. (1950) Decl. Observer
July 6.86907 2 18 38.59 +24 40 24.4 Harwood
7.90035 2 18 52.48 +25 04 35.6 Gans
8.88819 2 19 04.44 +25 28 15.2 Harwood
The elements below, by M. P. Candy, Perth Observatory, are
from positions July 5-8, the maximum residual from 1" to 5":
T = 1970 Oct. 24.739 ET Peri. = 94.23
Node = 20.87 1950.0
q = 1.1748 AU Incl = 123.53
1970 ET R. A. (1950) Decl. Delta r Mag.
July 8 2 18.9 +25 07
13 2 19.7 +27 13 2.072 1.950 9.5
18 2 19.9 +29 34
23 2 19.3 +32 16 1.786 1.841 8.9
28 2 17.6 +35 22
Aug. 2 2 14.3 +38 59 1.505 1.735 8.3
Magnitudes have been added, calculated from 5.0 + 5 log Delta +
10 log r.
COMET BENNETT (1969i)
Mr. T. Seki, Kochi, provides the following precise positions:
1970 UT R. A. (1950) Decl.
Apr. 12.82847 23 01 20.51 +42 29 04.1
20.81054 23 43 23.81 +53 05 17.9
28.81398 0 22 01.71 +58 40 49.2
May 11.79601 1 20 58.36 +63 50 19.0
18.79257 1 45 37.82 +65 20 37.6
1970 July 10 (2263) Brian G. Marsden
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