THE ASTRONOMER Electronic Circular No 239 1989 Jan 08 16.58UT. 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. ------------------------------------------------------------------- COMET BRADFIELD (1989c) D. Herald, Kambah, near Canberra, provides the following precise positions: 1989 UT R.A. (1950) Decl. m1 Jan. 7.45612 21 20 11.60 -55 56 21.1 11 7.46557 21 20 18.13 -55 55 58.3 7.47259 21 20 22.68 -55 55 50.6 This was the fourteenth comet to be found by Bill Bradfield. IAUC 4704 COMET HELIN-ROMAN-CROCKETT (1989b) The following parabolic orbital elements satisfy four accurate positions Jan. 3-6 but are extremely uncertain. It is at least equally likely that the object is a distant short-period comet with very low e. T = 1988 June 24.31 ET Peri. = 327.91 Node = 86.52 1950.0 q = 2.2137 AU Incl. = 3.58 1988/89 R.A. (1950) Decl. Delta r m1 Dec. 25 8 41.62 +20 53.0 2.161 3.023 15.5 Jan. 4 8 36.62 +21 25.2 14 8 30.37 +21 58.7 2.201 3.171 15.7 24 8 23.69 +22 29.8 Feb. 3 8 17.39 +22 55.5 2.354 3.323 16.1 IAUC 4704 Guy M Hurst