File:Mamluk era astrolabe, 1282.jpg
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Size of this preview: 590 × 599 pixels. Other resolutions: 236 × 240 pixels | 473 × 480 pixels | 756 × 768 pixels | 1,008 × 1,024 pixels | 2,044 × 2,076 pixels.
Original file (2,044 × 2,076 pixels, file size: 735 KB, MIME type: image/jpeg)
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Contents
Summary
Object
An astrolabe with Arabic and Coptic inscriptions | |||||||||||||||||||||
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Artist |
Unknown artistUnknown artist |
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Title |
An astrolabe with Arabic and Coptic inscriptions label QS:Len,"An astrolabe with Arabic and Coptic inscriptions" |
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Object type | astrolabe | ||||||||||||||||||||
Description |
English: Mamluk era astrolabe, dated 1282
inv no. 2970
institution QS:P195,Q525939 |
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Date |
between 1282 and 1283 date QS:P,+1282-00-00T00:00:00Z/8,P1319,+1282-00-00T00:00:00Z/9,P1326,+1283-00-00T00:00:00Z/9 |
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Medium | brass, gold and silver | ||||||||||||||||||||
Dimensions |
diameter: 114 mm (4.4 in) dimensions QS:P2386,+114U174789 |
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Collection |
institution QS:P195,Q525939
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Accession number | |||||||||||||||||||||
Place of creation | Mamluk Sultanate | ||||||||||||||||||||
References | King Catalogue of Medieval Astronomical Instruments, 4036 |
Photograph
Date | |
Source | Own work |
Author | Mustafa-trit20 |
Camera location | 41° 00′ 21.25″ N, 28° 58′ 29.56″ E | View this and other nearby images on: OpenStreetMap | 41.005903; 28.974878 |
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Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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- You are free:
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- Under the following conditions:
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Items portrayed in this file
depicts
some value
21 February 2020
41°0'21.251"N, 28°58'29.561"E
0.039967 second
1.8
4.44 millimetre
212
image/jpeg
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:15, 28 February 2020 | 2,044 × 2,076 (735 KB) | wikimediacommons>Mustafa-trit20 | User created page with UploadWizard |
File usage
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Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | |
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Camera model | Pixel 3 |
Exposure time | 39,967/1,000,000 sec (0.039967) |
F-number | f/1.8 |
ISO speed rating | 212 |
Date and time of data generation | 10:55, 21 February 2020 |
Lens focal length | 4.44 mm |
Latitude | 41° 0′ 21.25″ N |
Longitude | 28° 58′ 29.56″ E |
Altitude | 0 meters above sea level |
Width | 4,032 px |
Height | 3,024 px |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | HDR+ 1.0.291816818nlh |
File change date and time | 10:55, 21 February 2020 |
Subsampling ratio of Y to C |
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Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.31 |
Date and time of digitizing | 10:55, 21 February 2020 |
Meaning of each component |
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Shutter speed | 4.65 |
APEX aperture | 1.7 |
APEX brightness | 0.26 |
Exposure bias | 0 |
Maximum land aperture | 1.7 APEX (f/1.8) |
Subject distance | 0.262 meters |
Metering mode | Center weighted average |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 691376 |
DateTimeOriginal subseconds | 691376 |
DateTimeDigitized subseconds | 691376 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Custom image processing | Custom process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 27 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Macro |
Unique image ID | 6989f25585c5fffb0000000000000000 |
GPS time (atomic clock) | 07:55 |
Measurement precision | Poor (699.999) |
GPS date | 21 February 2020 |
GPS tag version | 0.0.2.2 |
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