Central Bureau for Astronomical Telegrams
IAUC 4122: 1985m; 1985l; N Sco 1985; Z And
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Circular No. 4122
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 THIELE (1985m)
S. Nakano, Tokyo, communicates the following observations:
1985 UT R.A. (1950.0) Decl. m1 Observer
Oct. 8.66200 5 56 27.5 +20 58 53 13 Aisawa
13.66244 5 42 05.13 +23 51 19.3 13 Kaneda
13.67361 5 42 03.42 +23 51 47.9 Watanabe
K. Aisawa (Sewine Station, near Sendai). Prediscovery observation
using 200-mm focal-length lens. Measurer: S. Kasahara.
H. Kaneda (JCPM Sapporo Station). Measurer: K. Watanabe.
K. Watanabe (Sapparo Science Center). Near edge of plate.
COMET HARTLEY-GOOD (1985l)
Total visual magnitude estimates: Sept. 22.00 UT, 8.8 (J.-C.
Merlin, Le Creusot, France, 0.40-m reflector; tail 2' in 335, jet
1'5 in p.a. 270); 24.01, 8.5 (Merlin); Oct. 4.17, 8.8 (D. Machholz,
Saratoga Gap, CA, 0.25-m reflector); 5.14, 7.4 (R. Keen, Mt.
Thorodin, CO, 8 x 40 binoculars; coma diameter 25'); 6.16, 7.5
(Keen; diameter 20'); 8.22, 7.3 (Keen, diameter 20'); 11.26, 6.9
(A. Hale, Whitaker Peak, CA, 10 x 50 binoculars).
NOVA SCORPII 1985
W. Liller, Vina del Mar, Chile, provides further magnitude
estimates (hypered 2415 film, orange filter): Sept. 25.01 UT,
10.5; 27.08, 10.5; 29.02, 10.9; Oct. 3.03, 10.7.
Z ANDROMEDAE
W. Wenzel, Sonneberg Observatory, communicates the following
photometric observations by Luthardt: Sept. 30.01 UT, V = 10.4, BV
= +1.0, U-B = -0.1; Oct. 4.98, V = 9.8, B-V = +0.7, U-B = -0.2;
Oct. 12.96, V = 9.4, B-V = +0.7, U-B = -0.4.
Visual magnitude estimates, in part communicated by J. Mattei,
AAVSO: Sept. 23.87 UT, 10.3 (E. Schweitzer, Strasbourg, France);
24.89, 10.2 (Schweitzer); Oct. 1.1, 10.1 (M. Heifner, Denver, CO);
2.1, 10.0 (C. Scovil, Stamford, CT); 3.1, 9.7 (Heifner); 6.1, 9.6
(L. Hiett, Berkeley Springs, WV); 7.1, 9.7 (C. Favsel, Bay City,
MI); 8.77, 9.6 (Schweitzer); 10.88, 9.6 (Schweitzer).
1985 October 15 (4122) Brian G. Marsden
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