File:Airglow_in_Auvergne_(France)_on_13th_of_August_2015.jpg
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Summary
DescriptionAirglow in Auvergne (France) on 13th of August 2015.jpg |
Français : Plus faible que la lumière zodiacale, cet airglow (ou lumière nocturne) a été photographié dans le ciel de l'Allier en France. Ce phénomène se forme à une altitude comprise entre 90 et 100 km de haut, dans la thermosphère. Il est visible par les nuits très sombres et sans pollution lumineuse. La couleur verte, similaire à celle des aurores boréales, provient de la désexcitation de l'oxygène atomique. Les ondulations observées ont pour origine des phénomènes dynamiques de l'atmosphère (ondes de gravité) qui modulent le rayonnement des espèces. |
Date | |
Source | Own work |
Author | Clame Reporter |
Permission (Reusing this file) |
Veuillez s'il vous plaît obligatoirement citer le nom de l'auteur Clame Reporter si vous êtes amené à utiliser le fichier. |
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some value
13 August 2015
30 second
18 millimetre
6,400
image/jpeg
4f886c64a8f91b9fe58e40b3af0a8c1e8ff4f94e
6,176,161 byte
2,513 pixel
3,872 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 11:46, 6 August 2019 | 3,872 × 2,513 (5.89 MB) | Clame Reporter | Copyright supprimé | |
11:43, 6 August 2019 | 3,872 × 2,513 (5.89 MB) | Clame Reporter | User created page with UploadWizard |
File usage
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Metadata
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Camera manufacturer | SONY |
---|---|
Camera model | ILCE-3000 |
Exposure time | 30/1 sec (30) |
F-number | f/4 |
ISO speed rating | 6,400 |
Date and time of data generation | 01:31, 13 August 2015 |
Lens focal length | 18 mm |
Orientation | Normal |
Horizontal resolution | 350 dpi |
Vertical resolution | 350 dpi |
Software used | Adobe Photoshop 7.0 |
File change date and time | 13:45, 6 August 2019 |
Y and C positioning | Co-sited |
Exposure Program | Manual |
Exif version | 2.3 |
Date and time of digitizing | 01:31, 13 August 2015 |
Meaning of each component |
|
Image compression mode | 4 |
APEX brightness | −5.49453125 |
Exposure bias | 0 |
Maximum land aperture | 3.6171875 APEX (f/3.5) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 27 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
IIM version | 2 |