William A. Bradfield discovered 19 comets in his life:
Designation..........Date(UT).....Mag......Comet Name.......IAUC
1972f (E1)*.......Mar. 12........10..........Bradfield........2392
1974b (C1)........Feb. 12..........9..........Bradfield........2633
1975d (E1).........Mar. 12.........9..........Bradfield........2759
1975p (V2).........Nov. 11......10..........Bradfield........2866
1976a (D1).........Feb. 19.........9..........Bradfield........2914
1976d (E1).........Mar. 3..........9...........Bradfield.......2923
1978c (C1)........Feb. 4...........8...........Bradfield.......3170
1978o (T3)........Oct. 10..........9..........Bradfield.......3286
1979c (M1).......June 24.......10..........Bradfield.......3372
1979l (Y1)..........Dec. 24.........5..........Bradfield.......3437
1980t (Y1).........Dec. 17........6 ..........Bradfield.......3554
1984a (A1)........Jan. 7.........11...........Bradfield.......3907
1987s (P1)........Aug. 11.......10...........Bradfield.......4431
1989c (A3)........Jan. 6.........12...........Bradfield.......4703
1991a (A1)........Jan. 7...........9........... **....................5155, 5159
1992b (B1)........Jan. 31......10...........Bradfield........5442
1992i (J2)..........May 3........10...........Bradfield........5514, 5524
1995 Q1.............Aug. 17........6...........Bradfield........6206
2004 F4..............Mar. 23........8............Bradfield........8319
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* 1972f (E1) means 1972f = 1972 E1.
** 97P/Metcalf-Brewington.
"1991a" was discovered as a new comet by three
comet hunters --Howard J. Brewington (USA),
Tsuruhiko Kiuchi (Japan), and William A. Bradfield
(Australia). -- IAUC5155 and 5159.