Year Book of Astronomy: 1991 by Volume editor CBE, DSc, FRAS, Sir Patrick Moore
The 29th edition of Patrick Moore's guide to the stars includes the usual star charts and data for both hemispheres, as well as articles by prestigious contributors on "The Stars of Intergalactic Space", "The Supernova that Won't Go Away", "The ROSAT Mission", "Jeremiah Horrocks and the Transit of Venus", "Recent Novae", "The Biggest Structures in the Universe" and "Austin's Comet", which recently appeared in our skies.