Location: Edelweißspitze, Salzburg, Austria (2571m)
Date: August 23-24, 2011
Time: Whole night, from dusk till dawn
Camera: Canon EOS 350D with Baader UV-IR cut filter
Lens: AF-S Nikkor 18-70mm set to 18mm
F/stop: 3.5
Exposure: 264 x 10s, one every 2 minutes
Speed: ISO 800
Remarks: Very noisy, I had to destripe the image.
Two steps of increasing enhancement are visible during the dusk phase, and vice versa during the dawn phase.

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