| 31. | Automated plate-measuring machines and more sophisticated computer technology of the 1960s allowed more efficient compilation of star catalogues.
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| 32. | The first star catalogue to contain Achernar accompanied the chart of Eridanus in Johann Bayer's " Uranometria ".
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| 33. | The Almagest also contains a star catalogue, which is an appropriated version of a catalogue created by Hipparchus.
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| 34. | There are major star catalogues, like the Palomar Sky Atlas, listing thousands of identifiable stars and their locations.
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| 35. | In 1906, he published the " Burnham Double Star Catalogue ", containing 13, 665 pairs of double stars.
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| 36. | The principal product of the astronomical observations was the Hessian star catalogue, a catalogue of about a thousand stars.
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| 37. | This eventually formed part of the 1932 Aitken Double Star Catalogue ( ADS ), the successor to the BDS.
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| 38. | In the past, this star catalogued as a spectroscopic binary and a companion was apparently detected through lunar occultation.
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| 39. | He also made an independent reduction of the astrometric star catalogue AGK3, using a technique involving overlapping photographic plates.
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| 40. | The star catalogue compiled by Claudius Ptolemy in the 2nd century CE lists 1, 022 fixed stars visible from Alexandria.
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