Circular No. 3443 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Postal Address: Central Bureau for Astronomical Telegrams Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. TWX 710-320-6842 ASTROGRAM CAM Telephone 617-864-5758 COMET BRADFIELD (1979l) Extension of the ephemeris on IAUC 3442: 1980 ET R. A. (1950) Decl. Delta r m1 Jan. 26.0 2 15.09 -57 43.2 0.198 0.943 3.7 26.5 2 26.91 -52 19.9 27.0 2 35.93 -47 01.0 0.203 0.959 3.9 27.5 2 43.02 -41 53.1 28.0 2 48.73 -37 01.1 0.215 0.975 4.1 28.5 2 53.43 -32 28.1 29.0 2 57.36 -28 15.7 0.233 0.992 4.3 29.5 3 00.70 -24 24.3 30.0 3 03.56 -20 53.1 0.255 1.008 4.6 30.5 3 06.06 -17 41.2 31.0 3 08.25 -14 47.1 0.282 1.024 4.9 31.5 3 10.19 -12 09.2 Feb. 1 3 11.92 - 9 45.9 0.310 1.040 5.1 2 3 14.89 - 5 37.3 3 3 17.36 - 2 10.5 0.374 1.073 5.7 4 3 19.46 + 0 43.0 5 3 21.28 + 3 10.1 0.441 1.106 6.2 6 3 22.88 + 5 16.0 7 3 24.31 + 7 04.8 0.511 1.138 6.6 8 3 25.60 + 8 39.7 9 3 26.79 +10 03.1 0.583 1.171 7.0 10 3 27.90 +11 16.9 11 3 28.94 +12 22.7 0.655 1.203 7.4 13 3 30.85 +14 14.9 15 3 32.61 +15 47.3 0.802 1.268 8.1 17 3 34.26 +17 04.8 19 3 35.85 +18 10.8 0.948 1.333 8.6 21 3 37.40 +19 07.9 23 3 38.91 +19 57.9 1.094 1.396 9.1 25 3 40.41 +20 42.1 27 3 41.90 +21 21.6 1.239 1.460 9.6 29 3 43.39 +21 57.3 Mar. 2 3 44.87 +22 29.7 1.382 1.522 10.0 4 3 46.37 +22 59.3 6 3 47.87 +23 26.6 1.523 1.585 10.4 1980 January 16 (3443) Brian G. Marsden
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