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Airglow is the faint shining of the night sky that is present anywhere in the world. It is caused by the energetic sunlight ionising high altitude
oxygen molecules. During the night they recombine and cause a faint glow which is brightest near the horizon. More information can be found on
Atmospheric Optics by Les Cowley.
31/07/2008 - Kurai Steppe, Altay Republic, Russia
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| 800x1200 |
 EF-S 10-22mm f/3.5-4.5 USM @ 12mm f/4 |
 Canon EOS 40D |
 ISO 1600 |
 12x300s |
 Processing Photoshop CS2 and ImageReady |
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| 1000x1500 |
| EF-S 10-22mm f/3.5-4.5 USM @ 12mm f/4 |
| Canon EOS 40D |
| ISO 1600 |
| 12x300s |
| Processing Photoshop CS2 |
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