1           1979-09-14.44  Harris & Young (1983) 
 2           1979-09-15.21  Schober (1983) 
 3           1979-09-16.11  Schober (1983) 
 4           1979-10-08.49  Harris & Young (1983) 
 5           1979-10-09.10  Harris & Young (1983) 
 6           1979-10-24.46  Harris & Young (1983) 
 7           1979-10-27.45  Harris & Young (1983) 
 8           1980-12-15.29  Harris & Young (1989) 
 9           1980-12-30.24  Harris & Young (1989) 
10           1980-12-31.21  Harris & Young (1989) 
11           1981-01-02.28  Harris & Young (1989) 
12           1981-01-04.22  Harris & Young (1989) 
13           1981-01-06.34  Harris & Young (1989) 
14           1981-01-14.27  Harris & Young (1989) 
15           1982-04-22.30  Harris et al. (1999) 
16           1982-04-23.27  Harris et al. (1999) 
17           1982-04-24.29  Harris et al. (1999) 
18           1982-04-25.29  Harris et al. (1999) 
19           1992-09-02.10  Piironen et al. (1998) 
20           1992-09-03.12  Piironen et al. (1998) 
21           1992-09-05.12  Piironen et al. (1998) 
22           1992-09-06.10  Piironen et al. (1998) 
23  1997-11-08--2004-03-21  USNO