File:Cathédrale (Palerme) - héliomètre (« observatoire » solaire).jpg
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Summary
[edit]DescriptionCathédrale (Palerme) - héliomètre (« observatoire » solaire).jpg |
Français : Le but de l'instrument était de normaliser la mesure du temps et le calendrier. Un trou minuscule dans l'un des dômes projette l'image du soleil sur le sol à midi solaire. Une ligne de bronze (méridienne) court sur le sol du nord au sud : les extrémités de la ligne marquent les positions du soleil aux solstices d'été et d'hiver ; les signes du zodiaque montrent les autres dates tout au long de l'année. |
Date | |
Source | Own work |
Author | Colsu |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:39, 21 July 2016 | 2,592 × 3,872 (5.88 MB) | Lidine Mia (talk | contribs) | User created page with UploadWizard |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON 1 J2 |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/3.5 |
ISO speed rating | 1,600 |
Date and time of data generation | 11:41, 13 April 2016 |
Lens focal length | 10 mm |
Short title | Palerme-Cathédrale-méridienne N/S en bronze - 14 |
Image title | les extrémités de la ligne marquent les positions du soleil aux solstices d'été et d'hiver ; les signes du zodiaque montrent les autres dates tout au long de l'année. |
Pixel composition | Color Filter Array |
Orientation | Normal |
Software used | iPhoto 9.6.1 |
File change date and time | 11:41, 13 April 2016 |
Exposure Program | Not defined |
Date and time of digitizing | 11:41, 13 April 2016 |
APEX exposure bias | 0 |
Maximum land aperture | 3.6 APEX (f/3.48) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 27 mm |
Scene capture type | Standard |
Scene control | High gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
IIM version | 2 |
Special instructions | cpMbnpJDQvCo5RJ3%FrYaQ |
Structured data
Items portrayed in this file
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13 April 2016
image/jpeg
0e24394ae6c1ef8a41bf9a6fd7ae156abc2ee177
6,161,386 byte
3,872 pixel
2,592 pixel
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