File:Chercheur de comètes Repsold.jpg
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[edit]DescriptionChercheur de comètes Repsold.jpg |
Français : Chercheur de comètes Repsold. 4e quart du 19e s.
Laiton, acajou, chêne, verre, fonte de fer. D'abord utilisé à l'Observatoire de la Krutenau, le chercheur a été ensuite installé sur la terrasse de la coupole de la grande lunette du nouvel observatoire. Il a permis la découverte de plusieurs comètes, dont la comète Winnecke-Pons. Collection de l'Observatoire astronomique de Strasbourg. Exposition Laboratoire d'Europe Strasbourg, 1880-1930 au Musée d'art moderne et contemporain de Strasbourg. |
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Source | Own work |
Author | Ji-Elle |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:37, 11 February 2018 | 3,214 × 5,381 (3.12 MB) | Ji-Elle (talk | contribs) | User created page with UploadWizard |
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F-number | f/2.8 |
ISO speed rating | 1,600 |
Date and time of data generation | 15:37, 8 February 2018 |
Lens focal length | 9.1 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 9.0 Windows |
File change date and time | 21:49, 10 February 2018 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | 15:37, 8 February 2018 |
Meaning of each component |
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APEX exposure bias | 0 |
Maximum land aperture | 2.97265625 APEX (f/2.8) |
Metering mode | Pattern |
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Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 111 |
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DateTimeDigitized subseconds | 111 |
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Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
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White balance | Auto white balance |
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Focal length in 35 mm film | 25 mm |
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Supported Flashpix version | 1 |
Image width | 3,214 px |
Image height | 5,381 px |
Date metadata was last modified | 22:49, 10 February 2018 |
Unique ID of original document | uuid:faf5bdd5-ba3d-11da-ad31-d33d75182f1b |
IIM version | 50,904 |