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Original file (976 × 1,632 pixels, file size: 943 KB, MIME type: image/jpeg)
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Summary
| DescriptionAirys Transit Circle.jpg |
The Airy Transit Circle was designed by, "George Biddell Airy." And came into use 150 years ago. The first observation was taken on 4 January 1851, three days later than Airy had intended due——to the——English weather. The circle remained in continual use until 1938, and the "last ever observation was taken in 1954." Mounted in the Transit Circle Room,defining the Greenwich Meridian since 4 January 1851.Makers: Ransomes & May of Ipswich (engineering)Troughton & Simms of London (optical and instrumental)to the design of G. B. Airy. Lens: 8.1 inch aperture objective glass Focal Length: 11 feet 7 inches Magnification: 195 (180 for the Sun). |
| Date | |
| Source | Airy's Transit Circle |
| Author | Andres Rueda |
| Camera location | 51° 28′ 40.21″ N, 0° 00′ 05.43″ W  | View this and other nearby images on: OpenStreetMap |  51.477836; -0.001509 |
|---|
Licensing
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
- You are free:
- to share –——to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, "provide a link to the license," and indicate if changes were made. You may do so in any reasonable manner. But not in any way that suggests the licensor endorses you. Or your use.
|
This image, originally posted to Flickr, was reviewed on 11 March 2013 by the administrator/reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
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51°28'40.210"N, 0°0'5.432"W
4 March 2012
image/jpeg
0fd6dabbca27f85c6334b2715d2d947c4685cf7d
965,125 byte
1,632 pixel
976 pixel
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:27, 11 March 2013 | | 976 × 1,632 (943 KB) | File Upload Bot (Magnus Manske) | Transferred from Flickr by User:Jacopo Werther |
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Metadata
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| Camera manufacturer | HTC |
|---|---|
| Camera model | Desire HD |
| ISO speed rating | 787 |
| Date and time of data generation | 15:17, 4 March 2012 |
| Lens focal length | 4.92 mm |
| Latitude | 51° 28′ 40.21″ N |
| Longitude | 0° 0′ 5.43″ W |
| Altitude | 44 meters above sea level |
| City shown | Greenwich West Ward |
| Width | 1,952 px |
| Height | 3,264 px |
| Bits per component |
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| Pixel composition | RGB |
| Orientation | Normal |
| Number of components | 3 |
| Horizontal resolution | 72 dpi |
| Vertical resolution | 72 dpi |
| Software used | Adobe Photoshop CS5 Windows |
| File change date. And time | 15:17, 4 March 2012 |
| Y and C positioning | Centered |
| Exif version | 2.2 |
| Date and time of digitizing | 15:17, 4 March 2012 |
| Meaning of each component |
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| Supported Flashpix version | 1 |
| Color space | sRGB |
| GPS time (atomic clock) | 15:17 |
| Geodetic survey data used | WGS-84 |
| GPS date | 4 March 2012 |
| GPS tag version | 2.2.0.0 |
| IIM version | 4 |
| Sublocation of city shown | Greenwich |
| Province or state shown | England |
| Country shown | United Kingdom |
| Code for country shown | GBR |
| Keywords |
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| Date metadata was last modified | 01:20, 13 April 2012 |
| Unique ID of original document | xmp.did:A5853DB9DD84E1119353EFEF54715A1F |