Astra Image 3.0 Pro _verified_ -

Features robust noise reduction that preserves sharp edges while smoothing grain, offering separate controls for luminance and colour noise.

It handles 32-bit and 64-bit floating-point images, ensuring that no data is lost during intensive mathematical transformations. System Requirements & Compatibility astra image 3.0 pro

Its denoising routines are often preferred over more modern tools for their ability to maintain the "truthfulness" of faint nebulae while managing background noise. Features robust noise reduction that preserves sharp edges