File:Fogbow and Brocken spectre, Beinn na Cille - geograph.org.uk - 1779503.jpg
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Fogbow_and_Brocken_spectre,_Beinn_na_Cille_-_geograph.org.uk_-_1779503.jpg (800 × 533 pixels, file size: 38 KB, MIME type: image/jpeg)
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[edit]DescriptionFogbow and Brocken spectre, Beinn na Cille - geograph.org.uk - 1779503.jpg |
English: Fogbow and Brocken spectre, Beinn na Cille. The coloured circle surrounding my shadow is the Brocken spectre (see 1779469). The pale white bow is a fogbow, or white rainbow. These are sometimes visible from clouds illuminated from behind, caused by emerging light from the tiny drops being diffracted so that the rainbow colours overlap. There's a second, less bright fogbow inside the first, known as a supernumerary bow, produced by interference of the light scattered back. (More detail is given in 'Rainbows, Halos and Glories' by Robert Greenler, C.U.P. 1980) |
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Date | |||
Source | From geograph.org.uk | ||
Author | Jim Barton | ||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license. Attribution: Jim Barton
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Attribution (required by the license) InfoField | Jim Barton / Fogbow and Brocken spectre, Beinn na Cille / | ||
InfoField | Jim Barton / Fogbow and Brocken spectre, Beinn na Cille |
Camera location | 56° 37′ 55″ N, 5° 29′ 59″ W | View this and other nearby images on: OpenStreetMap | 56.631820; -5.499800 |
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Object location | 56° 37′ 56″ N, 5° 29′ 58″ W | View this and other nearby images on: OpenStreetMap | 56.632190; -5.499500 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:58, 11 March 2011 | 800 × 533 (38 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Fogbow and Brocken spectre, Beinn na Cille The coloured circle surrounding my shadow is the Brocken spectre (see 1779469). The pale white bow is a fogbow, or white rainbow. These are sometimes v |
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