Bright stars charts in ecliptic coordinates with magnitudes at 2000 angströms
By: by Léo Houziaux and Gérard Houziaux.
Contributors: Houziaux, Gérard, joint author.
Published: 1972
Place of publication: [Mons]
Language: eng
Subjects: Stars -- Observations.
Notes: Bibliography: p. [4]
The plates are accompanied by a transparent paper grid to use to obtain coordinates.