Central Bureau for Astronomical Telegrams
IAUC 4114: 1985l; 1984e
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Read IAUC 4115
Circular No. 4114
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 617-495-7244/7440/7444
COMET HARTLEY-GOOD (1985l)
Ephemeris from the orbital elements on IAUC 4113:
1985/86 ET R.A. (1950.0) Decl. p r m1
Sept.22 0 14.21 -27 54.7 0.644 1.602 9.1
27 23 33.81 -26 55.1
Oct. 2 22 46.43 -24 30.5 0.529 1.457 8.3
7 21 56.19 -20 29.2
12 21 08.60 -15 16.4 0.511 1.311 7.7
17 20 27.53 - 9 42.9
22 19 54.03 - 4 31.6 0.581 1.166 7.5
27 19 27.18 - 0 01.8
Nov. 1 19 05.47 + 3 44.6 0.699 1.026 7.3
6 18 47.43 + 6 52.6
11 18 31.84 + 9 28.0 0.828 0.896 7.1
16 18 17.79 +11 35.0
21 18 04.56 +13 15.8 0.948 0.787 6.8
26 17 51.69 +14 30.1
Dec. 1 17 38.95 +15 16.8 1.044 0.714 6.6
6 17 26.31 +15 34.2
11 17 13.93 +15 21.9 1.106 0.695 6.6
16 17 02.01 +14 41.4
21 16 50.70 +13 35.7 1.127 0.736 6.9
26 16 40.06 +12 09.1
31 16 29.98 +10 25.6 1.109 0.825 7.4
Jan. 5 16 20.25 + 8 28.7
10 16 10.57 + 6 20.7 1.061 0.944 7.9
15 16 00.56 + 4 03.0
20 15 49.79 + 1 35.8 0.991 1.078 8.3
25 15 37.82 - 1 01.0
30 15 24.17 - 3 47.8 0.913 1.221 8.7
PERIODIC COMET GIACOBINI-ZINNER (1984e)
Total visual magnitude estimates: Aug. 27.43 UT, 7.1 (C. S.
Morris, Mt. Wilson, CA, 20 x 80 binoculars; tail 90' in p.a.
290); Sept. 12.08 UT, 7.4 (J.-C. Merlin, Le Creusot, France, 9 x
60 binoculars); 14.34, 8.5 (J. Bortle, Stormville, NY, 20 x 80
binoculars); 15.34, 8.5 (Bortle); 16.37, 8.4 (Bortle); 17.29, 8.3
(D. W. E. Green, Harvard, MA, 20 x 80 binoculars).
1985 September 23 (4114) Brian G. Marsden
Read IAUC 4115
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