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Submit a new article| Objective-Prism Spectral Classifications of 26 Northern Stars Classifications are given for 26 northern stars noted in an inspectionof 33 Burrell Schmidt objective-prism plates. Most are believed topossess peculiar spectra that have not previously been noted; none arecontained in the Henry Draper Catalogue.
 
 
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 Observation and Astrometry data
| Constellation: | Cygnus |  | Right ascension: | 20h28m22.36s |  | Declination: | +51°41'17.3" |  | Apparent magnitude: | 9.107 |  | Proper motion RA: | 4.1 |  | Proper motion Dec: | 2.8 |  | B-T magnitude: | 9.272 |  | V-T magnitude: | 9.121 |  Catalogs and designations:
 
 
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