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Old 03-02-2017, 11:50 AM
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Slawomir (Suavi)
Amateur Photon Collector

Slawomir is offline
 
Join Date: Sep 2014
Location: Proserpine
Posts: 3,037
Thank you Ray for bringing this up - very interesting read.

I think stretching data alters it in such way that background noise generally gets amplified, thus some sensible noise reduction can be applied.

Personally I use noise reduction less and less and my affinity with noise-reduced smooth astroimages weakens.
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