The surface brightness of the galactic system as seen from a distant external point and a comparison with spiral nebulae.
Subtitle: Magnitudes of faint comparison stars for Nova Persei, no. 2
By: by Frederick H. Seares.
Series: Contributions from the Mount Wilson observatory.; nos. 191 and 192
Published: 1920
Place of publication: [Chicago
Language: eng
Number of pages: 21
Subjects: Nebulae.; Stars -- Magnitudes.; Surface brightness (Astronomy); Milky Way.
Notes: Cover-title.
At head of title: Carnegie institution of Washington.
"Reprinted from the Astrophysical journal, vol. LII, 1920."