1           1977-01-17.80  Scaltriti & Zappala (1978) 
 2           1977-02-06.84  Scaltriti & Zappala (1978) 
 3           1979-08-17.20  Schober (1982) 
 4           1979-08-18.21  Schober (1982) 
 5           1979-08-19.17  Schober (1982) 
 6           1979-08-21.14  Schober (1982) 
 7           1980-11-29.88  Zappla et al. (1983) 
 8           1980-12-07.84  Zappla et al. (1983) 
 9           1980-12-07.85  Zappla et al. (1983) 
10           1980-12-07.93  Zappla et al. (1983) 
11           1980-12-12.77  Zappla et al. (1983) 
12           1980-12-12.69  Zappla et al. (1983) 
13           1980-12-12.94  Zappla et al. (1983) 
14           1981-01-14.25  Zappla et al. (1983) 
15           1981-01-14.22  Zappla et al. (1983) 
16           1981-01-30.91  Zappla et al. (1983) 
17           1981-01-30.95  Zappla et al. (1983) 
18           1981-01-31.06  Zappla et al. (1983) 
19           1981-01-31.11  Zappla et al. (1983) 
20           1984-10-18.02  Lagerkvist et al. (1995) 
21           1984-10-18.19  Ziegler & Florence (1985) 
22           1984-10-18.32  Ziegler & Florence (1985) 
23           2003-01-06.35  Torppa et al. (2003) 
24  1998-12-24--2008-05-03  USNO 
25  2003-05-21--2008-05-11  Catalina 
26  1986-01-14--1997-12-07  La Palma 
27  1989-12-23--1992-11-09  Hipparcos