Central Bureau for Astronomical Telegrams
IAUC 2709: 1972 XII; 1974d; 1974 MA
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Read IAUC 2710
Circular No. 2709
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 ARAYA (1972 XII)
Mr. A. C. Gilmore, Carter Observatory, communicates the
following precise position, measured by Pamela M. Kilmartin from a
60-min exposure with the 41-cm reflector. A 32-min exposure with the
10-cm astrograph shows a diffuse image of total magnitude about 15.
1974 UT R. A. (1950) Decl. m2
Sept.12.60836 22 25 11.07 -41 44 10.2 18
PERIODIC COMET FINLAY (1974d)
The following precise position has been measured by C. Y. Shao
from a plate taken by R. E. McCrosky and J. Bulger with the 155-cm
reflector at Harvard College Observatory's Agassiz Station:
1974 UT R. A. (1950) Decl.
July 20.32512 4 19 11.74 +20 27 19.8
1974 MA
The following ephemeris is from the elements on IAUC 2705:
1974/75 ET R. A. (1950) Decl. Delta r mpg
Nov. 29 13 46.38 -36 31.1 2.110 1.433 19.5
Dec. 9 14 09.28 -40 09.9
19 14 31.46 -43 27.5 2.212 1.654 19.9
29 14 52.82 -46 28.4
Jan. 8 15 13.21 -49 16.1 2.256 1.852 20.2
18 15 32.40 -51 54.2
28 15 50.03 -54 25.3 2.246 2.029 20.4
Feb. 7 16 05.67 -56 52.3
17 16 18.66 -59 17.4 2.191 2.187 20.5
27 16 28.11 -61 41.8
Mar. 9 16 32.85 -64 05.7 2.108 2.329 20.5
19 16 31.16 -66 26.3
29 16 20.96 -68 36.8 2.020 2.456 20.5
Apr. 8 16 00.2 -70 24.5
18 15 28.4 -71 30.2 1.957 2.570 20.5
mpg = 16.5 + 5 log Delta + 5 log r + 0.023 (phase angle)
1974 October 15 (2709) Brian G. Marsden
Read IAUC 2710
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