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Ernie Mastroianni | all galleries >> Astrophotography >> Deep Sky > M-57, more processing, tighter crop
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M-57, more processing, tighter crop
Ernie Mastroianni

M-57, more processing, tighter crop

This is a better-processed and tighter-cropped version of the previous photo. The easy to find planetary nebula is in Lyra and is a favorite target for summer star parties. This image was made with a 8-inch f/6.1 Newtonian and a Nikon D300 using a 1.4x teleconverter, for an effective focal length of 1680mm. It is a combination of seven exposures of two minutes each, layered in Photoshop CS3. The moon was 82 percent full when I took this shot from my light polluted back yard in Whitefish Bay, Wis. on Sept. 30, 2009.

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