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Submit a new article| Photographic observations of visual double stars. We present the results of photographic observations of 399 visual doublestars of the Hipparcos Input Catalogue (HIC), observed in the years 1980and 1990-1991 with the 60-cm double-refractor of the Bosscha Observatoryat Lembang, Java.
 
 
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 Observation and Astrometry data
| Constellation: | さいだん座 |  | Right ascension: | 17h01m06.98s |  | Declination: | -58°51'01.0" |  | Apparent magnitude: | 8.261 |  | Distance: | 10000000 parsecs |  | Proper motion RA: | 3.4 |  | Proper motion Dec: | 2.9 |  | B-T magnitude: | 8.263 |  | V-T magnitude: | 8.262 |  Catalogs and designations:
 
 
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