| Title: | Photographic magnitudes of bright stars north of +57⁰.5. |
| Alternate title: | Harvard catalogue of photographic magnitudes of bright stars north of +57⁰.5 |
| Author: | Gaposchkin, Cecilia Helena Payne, 1900- |
| Author: | Shapley, Harlow, 1885-1972 |
| Author: | Harvard College Observatory |
| Note: | [Harvard College Observatory?], 1933 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Northern sky (Astronomy) |
| Subject: | Stars -- Catalogs |
| Subject: | Stars -- Magnitudes |
| Subject: | Stars -- Photographic measurements |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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