An attempt to determine photovisual magnitudes without a colour-filter
and a study of the colours and the magnitudes of the stars in the galactic cluster Messier 7 and its surroundings.
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Author
Contributions
- Bosscha-Sterrenwacht, Lembang - Contributor
Publication
1931 - Nix, Bandoeng, Indonesia
Language
English
Subjects
Topics
Series Statement
- Annalen v.d. Bosscha-Sterrenwacht, Lembang, vol, 3, 4e Gedeelte
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