THE ASTRONOMER Electronic Circular No 238 1989 Jan 07 19.40UT. Telecom Gold 72:MAG60138 Ed:Guy M Hurst, 16, Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP, England. Telephone:(0256)471074.Int:+44256471074 Telex:265871(MONREF G) Quote"72:MAG60138 ATT G.HURST"in FIRST line. ------------------------------------------------------------------- 1989 AC The object appears to be of Apollo type, and the following orbital elements are representative of a range of possibilities. T = 1988 Nov. 15.14 ET Peri. = 258.80 e = 0.5208 Node = 133.42 1950.0 q = 0.8500 AU Incl. = 0.35 a = 1.7737 AU n = 0.41725 P = 2.36 years 1989 ET R.A. (1950) Decl. Delta r V Jan. 4 3 26.13 +16 58.3 0.121 1.066 11.1 5 3 38.50 +17 48.5 6 3 49.96 +18 32.1 0.133 1.080 11.2 7 4 00.57 +19 09.8 8 4 10.39 +19 42.4 0.146 1.095 11.4 9 4 19.49 +20 10.6 10 4 27.91 +20 35.0 0.160 1.110 11.5 11 4 35.73 +20 56.1 12 4 43.00 +21 14.5 0.175 1.125 11.7 13 4 49.78 +21 30.5 14 4 56.09 +21 44.4 0.191 1.140 11.9 15 5 02.01 +21 56.5 16 5 07.54 +22 07.1 0.207 1.155 12.1 17 5 12.75 +22 16.3 18 5 17.65 +22 24.4 0.225 1.171 12.3 IAUC 4702 MIRROR REQUIRED John Hosty (shortly returning to e-mail) asks if anyone has a 12.5 inch f6 mirror for sale. Please reply to the Editor. THE ASTRONOMER Due to postal disruption whereby some letters are taking 2 weeks inland, and further delays at the printers after Christmas, the DEC issue of TA has only just been prepared for despatch and will be sent out in the next few days. COMET BRADFIELD (1989c) Beresford telexes that W.Bradfield, Adelaide, has discovered a comet as follows: 1989 Jan 6.514UT RA 21h09.5m DEC -56 23'(1950) mag 12 6.583 21 10.2 -56 20 The object is of mag 12, diffuse without central condensation. Guy M Hurst