C. Crop of red channel of image after
opening with Photoshop CS2 and
with Photoshop CS2 noise removal.

Most of the noise is removed (some grain remains),
but notice the wavy pattern in the sky.
The image below shows the noise removal with the
Photoshop CS2 Filter -> Noise -> Remove Noise command.
More waves remain in the sky.

(Click on the image to view image D)