1           1977-08-25.44  Poutanen et al. (1985) 
 2           1977-08-25.45  Poutanen et al. (1985) 
 3           1977-08-25.48  Poutanen et al. (1985) 
 4           1977-08-25.44  Poutanen et al. (1985) 
 5           1977-09-25.54  Poutanen et al. (1985) 
 6           1977-09-25.57  Poutanen et al. (1985) 
 7           1977-09-25.61  Poutanen et al. (1985) 
 8           1977-09-25.61  Poutanen et al. (1985) 
 9           1977-09-25.53  Poutanen et al. (1985) 
10           1977-09-25.54  Poutanen et al. (1985) 
11           1977-09-25.53  Poutanen et al. (1985) 
12           1977-09-26.53  Poutanen et al. (1985) 
13           1977-09-26.50  Poutanen et al. (1985) 
14           1977-09-26.48  Poutanen et al. (1985) 
15           1977-09-26.49  Poutanen et al. (1985) 
16           1977-09-26.50  Poutanen et al. (1985) 
17           1977-09-26.50  Poutanen et al. (1985) 
18           1977-09-26.51  Poutanen et al. (1985) 
19           1977-09-26.50  Poutanen et al. (1985) 
20           1977-10-21.47  Poutanen et al. (1985) 
21           1977-10-21.51  Poutanen et al. (1985) 
22           1977-10-21.46  Poutanen et al. (1985) 
23           1977-10-21.49  Poutanen et al. (1985) 
24           1977-10-21.51  Poutanen et al. (1985) 
25           1981-06-02.39  Harris et al. (1992) 
26           1981-06-09.34  Harris et al. (1992) 
27           1981-06-25.24  Harris et al. (1992) 
28           1981-07-26.27  Harris et al. (1992) 
29           1984-01-04.97  di Martino et al. (1987) 
30           1987-09-19.12  Debehogne et al. (1990) 
31           1990-04-30.90  Dotto et al. (1992) 
32           1992-09-23.18  Hainaut-Rouelle et al. (1995) 
33           1992-09-25.16  Hainaut-Rouelle et al. (1995) 
34           1993-11-10.21  De Angelis & Mottola (1995) 
35           1993-11-12.30  De Angelis & Mottola (1995) 
36  1998-09-13--2007-08-11  USNO 
37  2004-01-31--2007-11-20  Catalina 
38  2006-04-01--2008-07-28  Siding Spring