THE ASTRONOMER Electronic Circular No 363 1989 Nov 23 19.19UT 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 ------------------------------------------------------------------- COMET AARSETH-BREWINGTON (1989a1) Astrometry and photography by D.Buczynski and G.Marsh at Conder Brow Observatory: /1989a1 1989 11 22.24085 16 18 15.74 +24 33 54.4 978 /1989a1 1989 11 22.25813 16 18 15.54 +24 33 04.8 978 6 star AGK 3 reductions 0.55-m f/5 refl. On the first exposure, comet near edge of plate. Preliminary parabolic elements by Brian Marsden from 8 observations Nov 19-22: T=1989 Dec. 28.238 ET Peri=204.714 Node=346.487 (1950) q=0.30687 AU Incl= 88.593 Ephemeris: 1989 ET RA (1950) DEC Earth Sun m1 Nov 20 16h17.78m +26 13.7' 1.414 1.029 8.9 25 16 18.86 +22 25.6 30 16 19.96 +18 11.8 1.287 0.822 7.7 Dec 5 16 21.15 +13 19.4 10 16 22.69 +07 27.4 1.141 0.605 6.1 15 16 25.39 +00 03.5 20 16 31.72 -09 37.2 0.994 0.396 4.0 25 16 48.52 -22 05.1 30 17 28.93 -35 11.0 0.949 0.312 2.8 Jan 4 18 35.58 -43 41.4 9 19 46.18 -46 01.1 1.119 0.465 4.9 IAUC 4911 Guy M Hurst