1990 SA

1990 SM = 1987 SB4

1990 SQ.

1990 SS

1990 summer observations in Canada.

1990 TG1

1990 TG1 =

1990 TG1, 1990 UN, 1990 UO.

1990 TR.

1990 UA = 2009 FJ44

1990 UL3.

1990 UO = 2007 UV3

1990 VB

1990-1992 Photometry of UU Her (Zsoldos+ 1993)

1990-1994 Saturn's satellites astrometry (Harper+ 1997)

1990-The beginning of a new decade at Icarus

1990JUL Cloudy Solar Eclipse

1991 - 92 fall and winter U.K. visual results.

1991 AQ = 1994 RD

1991 B, V, Rc, Ic Light Curves of the Southern Very Short Period Eclipsing Binary V676 Centauri