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Steve Mastellotto | all galleries >> Galleries >> Astrophotos > The North American Nebula
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03-SEP-2005

The North American Nebula

This image is a combination of three 10 minute exposures. Each image was
shot at 200mm, f/2.8 and ISO400. I subtracted a dark frame from each image
and then combined them in Photoshop CS2. I applied a slight curves adjustments
and noise reduction with Noise Ninja.


other sizes: small medium original auto
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