Heliographic maps of the photosphere for the year 1979
By: by A. Zelenka, S. Cortesi, A. Pittini.
Contributors: Cortesi, S.; Pittini, A.
Series: Publikationen der Eidgenössischen Sternwarte in Zürich ;; Bd. 15, Heft 4
Publisher: Eidgenössische Sternwarte
Published: 1980
Place of publication: Zürich
Language: eng
Number of pages: 123
Subjects: Solar photosphere -- Charts, diagrams, etc.; Sunspots -- Charts, diagrams, etc.; Spectroheliograph.
Notes: Cover title.