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| Objective-prism discoveries in the northern sky - II.
Five tables list the observed characteristics of 244 northern hemispherestars recorded in 100 108 A/mm dispersion plates at H-gamma wavelengths.The 5 x 5 deg fields contained a number of suspected weak-metal objects.Listings are divided into peculiar A stars, metallic line and deltaDelphini stars, high luminosity objects, Ca II emission stars of the Gand K type, and composite spectra.
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Observation and Astrometry data
| Constellation: | ヘルクレス座 |
| Right ascension: | 17h09m32.94s |
| Declination: | +30°42'20.2" |
| Apparent magnitude: | 8.144 |
| Distance: | 106.383 parsecs |
| Proper motion RA: | 6.4 |
| Proper motion Dec: | -8.9 |
| B-T magnitude: | 8.487 |
| V-T magnitude: | 8.173 |
Catalogs and designations:
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