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Old 29-03-2022, 12:29 PM
Startrek (Martin)
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Join Date: Dec 2017
Location: Sydney and South Coast NSW
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Originally Posted by Startrek View Post
Interesting topic
I believe there is always a limit and a point of diminishing returns due to our atmosphere and the physics and maths ( SNR ) involved in capturing and processing a decent image.
Have a look at this presentation by Dr Craig Stark ( inventor of PHD guiding ) which may help answer your question
Thanks for posting

https://m.youtube.com/watch?v=EO4QFb3ydNM

Here’s another excellent article on SNR

https://jonrista.com/the-astrophotog...hy-basics/snr/

More time , more signal means more noise not less noise ( even under darker skies ) as noise comes in various forms ( not just from skyglow or Moon glare)
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