Central Bureau for Astronomical Telegrams
IAUC 3159: 1977m; 1977 HB
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Read IAUC 3160
Circular No. 3159
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 Telex: 921428
Telephone: (617) 864-5758
COMET KOHLER (1977m)
Further precise positions have been reported as follows:
1977 UT R. A. (1950) Decl. m1 Observer
Sept. 8.80228 15 31 15.50 +28 09 18.9 Chernykh
8.80714 15 31 15.45 +28 09 10.1 "
18.74174 15 52 07.20 +24 42 15.1 "
18.7452l 15 52 07.61 +24 42 12.1 "
19.79861 15 54 36.2 +24 18 08 Hempel
19.81042 15 54 37.9 +24 17 55 "
Oct. 1.71927 16 26 20.87 +19 10 15.5 Chernykh
1.73316 16 26 23.31 +19 09 52.2 "
3.80556 16 32 39.10 +18 08 32.2 Benishek
12.75998 17 02 29.11 +13 09 32.7 Hempel
12.77178 17 02 31.51 +13 09 04.4 "
15.75208 17 13 29.96 +11 16 16.2 "
15.76632 17 13 33.20 +11 15 42.2 "
16.74722 17 17 16.92 +10 37 00.4 "
16.78472 17 17 25.47 +10 35 31.3 "
17.74028 17 21 07.07 + 9 57 01.2 "
17.74514 17 21 08.12 + 9 56 50.3 "
31.49375 18 20 28.97 - 0 37 53.5 Candy
Nov. 9.48507 19 05 26.40 - 8 34 50.0 "
9.48889 19 05 27.68 - 8 35 02.1 "
18.49340 19 54 32.96 -16 31 17.4 Jekabsons
24.70212 20 29 57.40 -21 28 29.5 Benishek
30.41111 21 02 59.43 -25 22 40.0 8.8 Seki
30.50003 21 03 30.34 -25 25 54.4 Candy
Dec. 7.50069 21 43 41.79 -29 11 43.6 "
14.51493 22 22 40.19 -31 49 27.7 "
N. S. Chernykh (Crimean Astrophysical Observatory). From Kiev.
Komet. Tsirk. No. 217.
R. Hempel (Meschede, Germany). 15-cm reflector. Long. = -0h33m.1,
10**7 Dxy = -267, 10**7 DZ = -331. Communicated by L. D. Schmadel.
V. Protitch-Benishek (Belgrade Astronomical Observatory).
M. P. Candy and P. Jekabsons (Perth Observatory, Bickley).
T. Seki (Kochi Observatory, Geisei Station).
Total visual magnitude estimates: 1977 Dec. 18.05 UT, 8.0 (P.
Maley, Houston, Texas, 13-cm refractor); 22.04, 8.4 (Maley); 27.96,
8.2 (J. Bortle, Brooks Observatory, 20 x 80 binoculars; coma diameter
3'); 1978 Jan. 2.97, 8.7 (Bortle; coma diameter 2'.6).
1977 HB
The following improved elements, by the undersigned, are from
19 observations 1977 Apr. 24 to June 15, perturbations included:
T = 1978 Feb. 26.9862 FT Epoch = 1978 Apr. 2.0 FT
Peri. = 54.8869 e = 0.349508
Node = 32.7856 1950.0 a = 1.077541 AU
Incl. = 9.4231 n = 0.8811577
q = 0.700932 AU P = 1.119 years
For dT = +1d
1978 ET R. A. (1950) Decl. Delta r dR.A. dDecl. B
Jan. 22 22 40.67 - 9 14.4 1.348 0.817 -1m42 -16'6 20.0
27 22 58.78 - 6 36.5 -1.43 -18.0
Feb. 1 23 17.16 - 3 50.0 1.264 0.766 -1.44 -19.3 19.8
6 23 35.88 - 0 55.7 -1.45 -20.6
11 23 55.00 + 2 05.5 1.169 0.727 -1.46 -21.7 19.7
16 0 14.60 + 5 12.1 -1.47 -22.8
21 0 34.76 + 8 22.3 1.067 0.705 -1.48 -23.6 19.6
26 0 55.63 +11 34.2 -1.50 -24.2
Mar. 3 1 17.37 +14 45.3 0.963 0.703 -1.53 -24.6 19.5
8 1 40.20 +17 53.1 -1.59 -24.7
13 2 04.36 +20 54.6 0.862 0.721 -1.68 -24.7 19.4
18 2 30.13 +23 46.2 -1.82 -24.3
23 2 57.77 +26 23.8 0.772 0.757 -2.02 -23.5 19.4
28 3 27.52 +28 42.3 -2.28 -22.3
Apr. 2 3 59.49 +30 35.8 0.700 0.806 -2.61 -20.5 19.4
7 4 33.58 +31 58.2 -2.98 -17.7
12 5 09.41 +32 43.4 0.649 0.863 -3.37 -14.0 19.3
17 5 46.25 +32 47.1 -3.74 - 9.2
22 6 23.15 +32 08.0 0.624 0.924 -4.02 - 3.6 19.3
27 6 59.13 +30 48.1 -4.20 + 2.4
May 2 7 33.37 +28 53.1 0.625 0.985 -4.25 + 8.3 19.3
7 8 05.31 +26 30.9 -4.19 +13.7
12 8 34.71 +23 50.1 0.651 1.046 -4.04 +18.3 19.4
17 9 01.57 +20 58.9 -3.84 +21.8
22 9 26.05 +18 03.9 0.698 1.104 -3.60 +24.3 19.6
27 9 48.38 +15 10.0 -3.36 +25.8
June 1 10 08.86 +12 20.5 0.762 1.158 -3.13 +26.5 19.8
6 10 27.78 + 9 37.5 -2.90 +26.7
11 10 45.37 + 7 01.9 0.839 1.209 -2.70 +26.3 20.0
16 11 01.87 + 4 34.2 -2.51 +25.7
21 11 17.45 + 2 14.4 0.924 1.255 -2.34 +24.8 20.2
26 11 32.27 + 0 02.2 -2.19 +23.8
July 1 11 46.47 - 2 02.9 1.015 1.297 -2.05 +22.7 20.5
6 12 00.18 - 4 01.3 -1.93 +21.6
11 12 13.50 - 5 53.7 1.110 1.333 -1.83 +20.5 20.7
1978 January 6 (3159) Brian G. Marsden
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