Circular No. 3022 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 D'ARREST (1976e) Further precise positions have been reported as follows: 1976 UT R. A. (1950) Decl. m1 Observer July 19.89301 19 39 31.53 +18 02 18.7 Benisek 19.9451 19 39 41.0 +18 00 49 Hoffmann 28.9333 20 13 01.09 +11 02 11.6 " 28.9486 20 13 04.96 +11 01 12.8 " Aug. 14.45486 21 50 30.16 -14 18 40.0 Herald 20.55796 22 33 12.37 -24 13 21.7 Gilmore 22.38887 22 45 42.07 -26 44 28.7 " 22.39127 22 45 43.04 -26 44 39.8 " Sept.12.45347 0 27 25.20 -40 05 56.6 Herald 18.67706 0 42 18.36 -40 38 27.5 Gilmore 18.68730 0 42 19.38 -40 38 27.2 " 28.58472 0 56 58.97 -40 03 16.4 9 Suzuki 28.58993 0 56 59.37 -40 03 14.6 " Oct. 20.46042 1 10 44.69 -35 07 19.5 Herald 26.80382 1 13 17.24 -33 09 07.4 Hers V. P. Benisek (Belgrade Observatory). 12.5-cm f/8 refractor. M. Hoffmann and H. W. Radeke (Hoher List Observatory). D. Herald (Kambah, near Canberra). The Aug. 14 position corrects that on IAUC 2985. 30-cm reflector. A. C. Gilmore (Carter Observatory). Measurer: P. M. Kilmartin. K. Suzuki (JCPM Oi Station). From Nihondaira Obs. Circ. No. 806. J. Hers (Linden Observatory). Image faint, measurement difficult. Total visual magnitude estimates by J. Bortle, Brooks Observatory (32-cm reflector): Dec. 14.02, 11.3; 16.0, 11.6; 19.01, [11.7. NOVA VULPECULAE 1976 J. Mattei, American Association of Variable Star Observers, communicates the following photoelectric V measures by D. Skillman: Dec. 1.00 UT, 8.42; 14.00, 8.77; 18.00, 9.07; also visual magnitude estimates, apparently indicating a rather precipitous decline: Dec. 21.10 UT, 9.4 (R. Annal); 22.10, 9.6 (Annal); 23.13, 9.0 (J. Morgan); 24.14, 9.0 (Morgan); 25.06, 9.3 (Morgan); 25.10, 9.9 (Annal); 26.10, 10.3 (Annal); 26.11, 10.5 (Morgan); 27.06, ~ 10.8 (Morgan); 27.10, ~ 10.8 (Annal); 28.08, ~ 11.0 (Annal). 1976 December 28 (3022) Brian G. Marsden
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