Photographic observations of prominences
By: by Giorgio Abetti and Ruth Emily Smith ...
Contributors: Smith, Ruth Emily, joint author.
Series: Contributions from the Mount Wilson Solar Observatory.; no. 51
Published: 1911
Place of publication: [Chicago
Language: eng
Number of pages: 20
Subjects: Sun -- Prominences.
Notes: Cover-title.
At head of title: Carnegie Insitution of Washington.
Reprinted from the Astrophysical Journal, vol. XXXIII, March, 1911.