If seeking the free version, the Astra Image website offers trial or older versions securely.
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“...the standard denoise always seems to give a smoother result than the high-quality setting , which often creates jpeg-like artefacts on astro images...” Stargazers Lounge · 7 years ago If seeking the free version, the Astra Image
It is frequently praised for having phenomenal deconvolution routines, which some users find superior to standard Wavelet tools like those in Registax for reducing image blur. it also has excellent contrast enhancement
“I'm surprised I don't see more people using Astra Image for image adjustments. It has phenomenal deconvolution routines that work better than Registax wavelets on some images. it also has excellent contrast enhancement, wavelet, multiscale sharpening and...” Stargazers Lounge · 7 years ago