Pixinsight Lerar Link -

In the Screen Transfer Function (STF) , the button (represented by a small chain icon in the top left of the STF window) determines how PixInsight calculates an automatic stretch for your image.

Because raw data is "linear," it looks nearly black to the human eye. pixinsight lerar link

PixInsight calculates a separate, independent stretch for each channel. This effectively "neutralizes" the background by aligning the histograms of the individual colors. Why Linear Images Need "Unlinking" Initially In the Screen Transfer Function (STF) , the

When you use an Unlinked STF (Ctrl + Click the "Radioactive" icon), PixInsight stretches the channels separately, which removes that heavy green or red cast and lets you see the actual nebula or galaxy detail. The Workflow: When to Toggle the Link PixInsight stretches the channels separately

Perform processes like SpectrophotometricColorCalibration (SPCC) or BackgroundNeutralization .