Circular No. 4004 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 SHOEMAKER (1984s) Carolyn and Eugene Shoemaker report that they have discovered yet another comet on exposures with the 0.46-m Palomar Schmidt. The object is diffuse with a strong condensation; no tail. 1984 UT R.A. (1950.0) Decl. m1 Oct. 25.37708 1 57 01.21 +18 59 50.0 12 26.29097 1 57 05.59 +18 42 17.0 COMET SHOEMAKER (1984r) The following precise position was measured by E. Bowell, Lowell Observatory, from an exposure by B. A. Skiff with the 0.33-m photographic telescope at the Anderson Mesa Station. The comet's image is diffuse and uncondensed. 1984 UT R.A. (1950.0) Decl. m1 Nov. 1.31319 3 12 43.02 +17 44 47.9 16.2 The orbit of this comet continues to be basically indeterminate. NOVA VULPECULAE 1984 Visual magnitude estimates: Oct. 11.41 UT, 8.8 (R. McNaught, Coonabarabran, NSW); 14.41, 8.9 (McNaught); 16.04, 9.2 (P. Maley, Houston, TX); 18.08, 9.1 (Maley); 20.04, 9.2 (Maley); 25.15, 9.3 (Maley); 27.15, 9.1 (Maley); 29.02, 9.1 (Maley) TT ARIETIS Visual magnitude estimates: Sept. 1.50 UT, [15.5 (J. Bortle, Stormville, NY); 2, 15.3 (M. Verdenet, Bourbon-Lancy, France); 22, 13.6 (Verdenet); 29, 13.8 (Verdenet); Oct. 6.50, 13.5 (Bortle); 16.06, 13.2 (Bortle); 17.06, 13.1 (Bortle). NOTICE TO SUBSCRIBERS Beginning with IAUC 4005, the regular (invoiced) and special (not invoiced) subscription rates to these Circulars will be increased to 65c and 39c, respectively. Normal payments for special subscribers will be $19.50 for 50 issues or $39.00 for 100 issues. Back issues can be purchased at the regular price of 65c. 1984 November 2 (4004) Brian G. Marsden
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