THE ASTRONOMER Electronic Circular No 357 1989 Nov 03 17.10UT. Microlink:MAG60138 JANET:GMH at UK.AC.RO-GREENWICH.STARLINK Ed:Guy M Hurst, 16, Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP, England. Telephone:(0256)471074.Int:+44256471074 Telex:94082518 Answerback: TAGUY ------------------------------------------------------------------- Q1989/80 (=Asteroid 5, Manning) Brian Manning, Stakenbridge, reports his discovery of mag 16.5 asteroidal object on an exposure centred on (449) Hamburga. A preliminary computer check by the Editor shows no numbered object in the approximate position so far derived: 1989 Oct 31.98UT RA 03h15.7m DEC +14 50'(1950) Q1989/81 (=Asteroid 6, Manning) Brian Manning also reports discovery of another asteroid on the same exposure for which computer checks yield no candidate: 1989 Oct 31.98UT RA 03h17.5m DEC +14 30'(1950) mag 16.5 P/COMET HELIN-ROMAN-ALU 2 (1989y) This further discovery by Helin, Roman and Alu was made on Oct 26 when the comet was of mag 16. IAUC 4886 Orbital elements: T=1989 Oct 31.749ET Peri=199.994 e=0.5432 Node=203.062 (1950) q=1.97617 AU Incl= 7.826 a=4.34632 AU n=0.108773 P=9.06 years IAUC 4893 An ephemeris can be supplied on e-mail request. 1989 UP D.L.Rabinowitz and J.V.Scotti, University of Arizona report their discovery of this fast-moving asteroid at V=15.5 on Oct 27. Orbital elements: T=1989 Nov 26.2099ET Peri= 17.1501 e=0.475531 Node= 52.8523 (1950) q=0.982345 AU Incl= 3.8701 a=1.873029 AU n=0.3844920 P=2.563 years IAUC 4894 An ephemeris is available on request. SN 1989S IN IC 226 Jean Mueller reports her discovery of a supernova in IC 226 located: RA 02h24.8m DEC +27 58'(1950). The mag 19 SN is 10"E,30"S of the nucleus. IAUC 4888 1989 UQ C.Pollas, Observatoire de la Cote d'Azur reports discovery of a fast-moving asteroid on Oct 26 at mag 14. Orbital elements: T=1990 Mar. 2.954 ET Peri= 13.805 e=0.45019 Node=187.357 (1950) q=0.47230 AU Incl= 2.713 a=0.85902 AU n=1.237944 P=0.80 years IAUC 4890 An ephemeris can be supplied on request. 1989 UR J.Mueller and D.Mendenhall report discovery of a fast-moving asteroid on Oct 28 at R=18. Orbital elements: T=1990 Feb. 11.702ET Peri=289.905 e=0.36509 Node=233.769 (1950) q=0.68748 AU Incl= 10.652 a=1.08281 AU n=0.874734 P=1.13 years IAUC 4891 Guy M Hurst