best astrophotography software

Started Feb 1, 2012 | Discussions thread
MJSfoto1956
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Re: best astrophotography software
In reply to paulpci, Apr 2, 2013

paulpci wrote:

If I may ask a rudimentary question: what is the purpose/goal of stacking astrophotography photos? I understand merging exposures for hdr, but what is the deal with stars, the moon, whichever? I would like to find out as my girlfriend loves everything astronomy.

it is primarily to reduce noise. Typical is ten shots or more in a stack. Once you have a totally noise-free image you can then sharpen/deblur the image to bring out the details. Sharpening a noisy image is pointless.

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