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Understanding deconvolution

June 2013: This complicated technique performs one simple task: It sharpens your images.
RELATED TOPICS: ASTRIMAGING
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I first heard about deconvolution many years ago from a friend who told me about the image-processing software CCD Sharp from Santa Barbara Instrument Group. When you used the software, and if everything was just right, you watched in awe as your celestial image mysteriously sharpened.

The one drawback to this procedure was the background of your image: More often than not, it “curdled” and ended up looking like cottage cheese.

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