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Processing

Stacked file from the scope Gradient removal Colour calibration Stretch + noise reduction Four steps, in this order, every time Order matters: stretching before removing the gradient bakes the gradient in permanently.

Getting More From Your Data with Free Software

The image your telescope hands you is a starting point, not a finished result. Two free tools do most of the remaining work, and neither requires you to become a retoucher.

3 min read