1991 January 11 meeting of the Royal Astronomical Society

1991 JG1

1991 JX

1991 JX.

1991 JX.

1991 LH =

1991 March 8 meeting of the Royal Astronomical Society

1991 May 10 meeting of the Royal Astronomical Society

1991 November 5: No meteor outburst, but what was it?

1991 November 8 meeting of the Royal Astronomical Society

1991 NR2

1991 NT3

1991 OA

1991 October 11 meeting of the Royal Astronomical Society

1991 Photometry of the W UMa-Type Binary CK Boo

1991 RB

1991 RC

1991 TB1

1991 TB2

1991 TC