Circular No. 4566 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 LEVY (1988e) David Levy, Tucson, AZ, reports his visual discovery of a comet with a 0.4-m f/5 reflector, as shown below. The object is diffuse, coma diameter 1', with a 1'.5 tail in p.a. about 240 deg. 1988 UT R.A. (1950) Decl. m1 Mar. 19.5 21 30 +16.2 11 20.5 21 32.6 +16 48' 21.49 21 35.2 +17 30 11.6 SUPERNOVAE E. Cappellaro and M. Turatto, Asiago Astrophysical Observatory, report the following V magnitudes obtained on Mar. 16 with the 1.82-m telescope (+ CCD): SN 1988G in anonymous galaxy, 16.0; SN 1988H in NGC 5878, 16.2; SN 1988I in anonymous galaxy, 19.1. Visual magnitude estimates: SN 1987A in the LMC: Mar. 18.5 UT, 7.2 (A. C. Beresford, Adelaide, South Australia); 19.42, 7.2 (Beresford); 20.52, 7.3 (Beresford); 21.49, 7.1 (Beresford). SN 1988A in M58: Feb. 25.75, 14.9 (R. H. McNaught, Siding Spring Observatory); 29.26, 15.0 (J. Griese, Stamford, CT). SN 1988D in MCG +0-20-006: Mar. 12.25, [17.0 (M. Bartels, Springfield, OR). NOVA VULPECULAE 1987 R. Royer, Wrightwood, CA, provides the following photovisual magnitude estimates from photographic plates: Feb. 25.53 UT, about 18; Mar. 17.53, about 15.7-16.0. COMET BRADFIELD (1987s) Further total visual magnitude estimates: Feb. 22.03 UT, 9.4 (J. E. Bortle, Stormville, NY, 0.32-m reflector); Mar. 6.13, 9.4 (A. Hale, Las Cruces, NM, 0.41-m reflector); 12.02, 10.5 (Bortle); 14.07, 9.0 (E. Jacobson, Evansville, MN, 20x80 binoculars). AX PERSEI Visual magnitude estimates: Mar. 13.87 UT, 9.4 (R. Goncalves, Caxias, Portugal); 18.76, 9.2 (A. Boattini, Florence, Italy). 1988 March 21 (4566) Daniel W. E. Green
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