Central Bureau for Astronomical Telegrams
IAUC 3148: 1977f; 1977m
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Read IAUC 3149
Circular No. 3148
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
PERIODIC COMET KOWAL (1977f)
Extension of the ephemeris on IAUC 3085. Observations are
urgently required.
1978 ET R. A. (1950) Decl. Delta r m2
Jan. 12 16 26.85 -23 47.7 5.499 4.817 20.2
22 16 36.09 -24 13.1
Feb. 1 16 44.68 -24 35.8 5.278 4.836 20.2
11 16 52.48 -24 56.2
21 16 59.34 -25 14.3 5.012 4.857 20.1
Mar. 3 17 05.12 -25 30.6
13 17 09.70 -25 45.2 4.724 4.878 20.0
23 17 12.94 -25 58.4
Apr. 2 17 14.76 -26 10.1 4.443 4.900 19.9
12 17 15.08 -26 20.4
22 17 13.92 -26 28.9 4.201 4.923 19.7
May 2 17 11.35 -26 35.3
12 17 07.54 -26 39.3 4.032 4.947 19.6
22 17 02.77 -26 40.4
June 1 16 57.39 -26 38.5 3.964 4.971 19.5
11 16 51.81 -26 33.9
21 16 46.47 -26 27.1 4.011 4.997 19.6
July 1 16 41.76 -26 19.0
11 16 38.00 -26 10.6 4.169 5.023 19.8
21 16 35.43 -26 03.0
31 16 34.20 -25 56.9 4.416 5.050 20.0
Aug. 10 16 34.36 -25 53.0
20 16 35.91 -25 51.6 4.723 5.077 20.2
m2 = 9.5 + 5 log Delta + 10 log r
COMET KOHLER (1977m)
Further precise positions have been reported as follows:
1977 UT R. A. (1950) Decl. m1 Observer
Oct. 4.77469 16 35 39.36 +17 38 44.2 Benishek
5.75350 16 38 45.49 +17 08 10.7 "
10.80928 16 55 35.42 +14 19 35.7 Waterfield
15.75295 17 13 30.15 +11 16 14.0 Wlodarczyk
15.76927 17 13 33.72 +11 15 34.0 "
16.73409 17 17 13.98 +10 37 32.4 Szczepanski
16.74142 17 17 15.63 +10 37 13.2 ~9.2 Bielicki
17.74864 17 21 08.78 + 9 56 35.8 Benishek
18.72790 17 24 59.30 + 9 16 26.3 Szczepanski
19.45625 17 27 53.09 + 8 46 02.5 K. Suzuki
19.45972 17 27 53.82 + 8 45 54.0 "
19.73337 17 28 59.91 + 8 34 18.4 Benishek
21.40174 17 35 46.69 + 7 22 35.0 Tsuchiya
21.40451 17 35 47.58 + 7 22 30.4 "
21.72991 17 37 07.95 + 7 08 08.2 Benishek
22.40451 17 39 56.42 + 6 38 25.1 Tsuchiya
22.40799 17 39 57.42 + 6 38 12.2 "
23.41007 17 44 10.39 + 5 53 12.4 "
23.72711 17 45 30.81 + 5 38 48.6 Benishek
24.38646 17 48 20.59 + 5 08 34.8 Tsuchiya
25.39479 17 52 42.92 + 4 21 43.0 "
25.43021 17 52 52.39 + 4 19 57.7 "
26.38993 17 57 05.30 + 3 34 34.1 "
31.8253 18 22 03.25 - 0 55 05.6 7.0 Baguley
Nov. 2.76447 18 31 24.38 - 2 35 37.7 Codina
2.77836 18 31 28.06 - 2 36 25.9 "
3.40625 18 34 32.43 - 3 09 21.4 T. Suzuki
3.40903 18 34 33.20 - 3 09 30.0 "
3.41528 18 34 34.94 - 3 09 38.1 Herald
3.7799 18 36 22.79 - 3 29 06.5 ~7.0 Manning
3.79426 18 36 27.02 - 3 29 45.9 Torras
3.81509 18 36 33.20 - 3 30 56.8 "
5.41215 18 44 30.48 - 4 55 34.7 Herald
5.41667 18 44 31.69 - 4 55 49.1 "
7.41771 18 54 42.22 - 6 43 15.3 "
11.72501 19 17 19.29 -10 35 57.3 Benishek
12.70005 19 22 33.88 -11 28 23.6 "
13.42847 19 26 30.86 -12 06 59.0 Herald
15.74770 19 39 13.52 -14 09 57.6 Waterfield
V. Protitch-Benishek (Belgrade Astronomical Observatory).
R. L. Waterfield (Woolston Observatory). Oct. 10: outer coma 3' in
diameter, inner coma 1', straight diffuse tail 12' in p.a. 80o.
J. Wlodarczyk and M. Szczepanski (Chorzow Observatory). Long. =
-1h15m58s, Lat. = +50o17'.6. Communicated by M. Bielicki.
M. Bielicki (Warsaw Observatory). Micrometric measurement.
K. Suzuki (JCPM Oi Station) and T. Suzuki (JCPM Yakiimo Station).
Measurer: T. Urata. From Nihondaira Obs. Circ. No. 918.
K. Tsuchiya (JCPM Asahikawa Station). 20-cm f/6 reflector. Measurer:
M. Takeishi. From Japan Astron. Circ. No. 127.
J. Baguley (Mickleover, Derby, England) and B. Manning (Stakenbridge,
England). Measurer: P. Birtwhistle. Tail 15' (Oct. 31)
or 40' (Nov. 3) in p.a. 75o. Communicated by G. M. Hurst.
J. M. Codina and N. Torras (Fabra Observatory, Barcelona).
D. Herald (Kambah, near Canberra). 31-cm reflector.
1977 December 8 (3148) Brian G. Marsden
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