THE ASTRONOMER Electronic Circular No 519 1991 May 05 17.27UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP, England. Telephone: (0256)471074 Int:+44256471074 Telex: 9312111261 Answerback: TA G JANET BOXES: GMH at UK.AC.CAM.ASTRONOMY.STARLINK or GUYH at UK.AC.SUSSEX.CLUSTER TELECOM GOLD: 10074:MIK2885 PRESTEL 256471074 ------------------------------------------------------------------- POSSIBLE SUPERNOVA IN NGC 4902 (=Q1991/41) Rob H.McNaught, Australia, e-mails that Bob Evans, Hazelbrook, NSW, Australia, has discovered a possible supernova in NGC 4902 (RA 12h58.3m DEC -14 15',1950). On 1991 May 5.49UT the magnitude was 13.5-14.0 and offsets from the nucleus are: 12" east, 5" north. It was not visible to a limit of magnitude 15.5v on 1991 April 20. A photograph of this galaxy appears in 'The Colour Atlas of Galaxies' by James D.Wray on page 69. The Coeli catalogue has the following details for the galaxy: mpg 11.7, size 2.1'x2.0', type SBb, distance modulus 32.1, Vir. Guy M Hurst