Photoelectric photometry of sunspots
Subtitle: a preliminary report
By: by Eberhart Jensen and Per Ofstad. The pinhole photometer / by Gunnar Eriksen
Contributors: Ofstad, Per; Eriksen, Gunnar
Series: Report / Institute of Theoretical Astrophysics, Blindern - Oslo -- no. 15; Report (Universitetet i Oslo. Institutt for teoretisk astrofysikk) -- no. 15
Publisher: Universitetsforlaget
Published: 1963
Place of publication: Oslo
Language: eng
Number of pages: 20
Subjects: Sunspots; Astronomical photometry
Other titles: The pinhole photometer.
Notes: Includes bibliographical references (p. 20).