1           1985-08-10.28  Schober et al. (1994) 
 2           1985-08-11.20  Schober et al. (1994) 
 3           1985-08-12.17  Schober et al. (1994) 
 4           1985-08-15.23  Schober et al. (1994) 
 5           1985-08-15.23  Schober et al. (1994) 
 6           1985-09-16.09  Lagerkvist et al. (1987) 
 7           1985-09-17.06  Lagerkvist et al. (1987) 
 8           1985-09-18.02  Lagerkvist et al. (1987) 
 9           1989-02-23.33  Erikson et al. (1991) 
10           1989-02-24.30  Erikson et al. (1991) 
11           1989-02-25.32  Erikson et al. (1991) 
12           1989-02-28.31  Erikson et al. (1991) 
13           1989-03-06.98  Miles (1990) 
14           1989-03-07.86  Miles (1990) 
15           1989-03-28.92  Miles (1990) 
16           1989-04-03.94  Miles (1990) 
17           1989-04-14.92  Miles (1990) 
18           1989-05-09.97  Miles (1990) 
19           2006-12-28.34  Ďurech et al. (2009) 
20           2007-01-21.19  Ďurech et al. (2009) 
21           2007-01-26.20  Ďurech et al. (2009) 
22           2007-01-29.97  Ďurech et al. (2009) 
23           2007-01-30.10  Ďurech et al. (2009) 
24           2007-02-09.09  Ďurech et al. (2009) 
25  1998-02-12--2003-05-23  USNO