| 1. | In 1906-a tower with dome for Zeiss double astrograph.
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| 2. | For astrophotography an astrograph on a separate socket is available.
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| 3. | It boasted of an 8 " Cooke Astrograph and a 15 " Grubb refractor telescope.
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| 4. | The move was supervised by the precision engineering company, who also manufactured an astrograph and a meridian circle.
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| 5. | Tombaugh used the observatory's 13-inch astrograph to take photographs of the same section of sky several nights apart.
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| 6. | After its minor planet discoveries at the observatory using its 50-centimeter " Cavagna Telescope ", a Ritchey Chr�tien astrograph.
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| 7. | As the main instrument of the observatory, an astrograph was ordered to Carl Zeiss Jena in Germany on December 11, 1935.
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| 8. | The Boyden Station of Phoebe, an outer moon of Saturn, by William Henry Pickering using photographic plates captured with the Bruce Astrograph.
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| 9. | One well-known case of an astrograph used in a discovery is Clyde Tombaugh s discovery of the dwarf planet Pluto in 1930.
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| 10. | Tombaugh used Lowell Observatory's ( 3 lens element ), f / 5.3 refractor astrograph, which recorded images on glass plates.
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