A selection of photographs of stars, star-clusters and nebulæ
Subtitle: together with information concerning the instruments and the methods employed in the pursuit of celestial photography.
By: By Isaac Roberts ...
Publisher: The Universal press
Published: 1893
Place of publication: London
Language: eng
Subjects: Stars -- Clusters.; Nebulae.; Astronomical photography.
Notes: Vol. II has title: Photographs of stars, star-clusters and nebulæ ...