The metadata below is somewhat misleading and I now feel somewhat irresponsible for not dealing with it beforehand.
It must be noted that this picture has been retouched by desaturating the sky and water, boosting the contrast of the sky and by vignetting the sky in 3 passes and the water in 2. The shrubbery remains unedited, though is under one layer of the sky vignetting and one layer of the water vignetting.
The photograph was taken at approximately 2:15PM, 22 January, 2008 at Woy Woy Channel.

As a trivial sidenote, I was standing almost precisely at this point photographing the shrubbery at the centre of this map.

Oh, and the obvious steps in vignette were intentional.
If it displeases anyone, I can supply a copy with a more seamless vignette. I did it as such to illustrate the "digital imaging" point in Vignetting.

I went through this in the Wikipedia upload but I'll try it again, with a bit more articulation.

The EXIF information is slightly incorrect.
Obviously the picture was not taken at 5:13AM on the morning of March 16, 2008, because that would imply that I have travelled through time.
Instead, the photo was taken at approximately 2:15PM on Monday 22 January, 2008.

The light source was the humble sun.

The purpose of posting the picture was to supplement the vignetting article on Wikipedia by adding digital imaging as a means of vignetting. As such, I manually vignetted the picture post shoot.
I did this by first creating a desaturation mask for the sky and water, and then adding three heavily feathered masked black layers to the sky and two to the water. This is what created the vignetting.

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拍攝地點	33° 29′ 03.8″ 南, 151° 19′ 41.6″ 東	位於此地的本圖片與其他圖片： OpenStreetMap	-33.484389; 151.328222

• 2008-01-22 11:53 TheDefiniteArticle 2048×1536× (778143 bytes) {{Information |Description=Woy Woy Channel vignetted in post-shoot phase |Source=self-made |Date=22 January, 2008 |Location=Woy Woy Channel |Author=[[User:TheDefiniteArticle]] |Permission=Multi-license |other_versions= }}