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Frederick Hanley Seares - Wikipedia, the free encyclopedia (262 words) |
 | Seares was born in Michigan in 1873 and grew up in Iowa and southern California. |
| Seares served as president of the Astronomical Society of the Pacific in 1929. |
| Seares used astrophotography as part of Jacobus Kapteyn's effort to uncover the structure of the sidereal universe through research of "selected areas." Seares standardized the stellar magnitude system and extended it beyond the 18th magnitude, using absorbing wire gauze screens and reduced apertures to compare stars of varying brightnesses. |
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