Solar eclipses of 1977
Subtitle: annular solar eclipse of 18 April 1977, total solar eclipse of 12 October 1977
By: by Alan D. Fiala.
Series: Circular - United States Naval Observatory ; no. 156; United States Naval Observatory circular ;; no. 156.
Publisher: U.S. Naval Observatory
Published: 1976
Place of publication: Washington
Language: eng
Number of pages: 39
Subjects: Solar eclipses -- 1977.