Pixinsight Lerar Link -

If the image hasn't been calibrated, a linked stretch often looks heavily green or red because raw sensor data is usually unbalanced. Unlinked STF (Link Icon OFF): Calculates an independent stretch for each channel. When to use:

The EzLinearFit script (part of the EZ Processing Suite) is widely used. It automates the "Lerar Link" across up to 12 images simultaneously. pixinsight lerar link

STF applies the exact same transformation to the Red, Green, and Blue channels. If your raw data has a heavy green or orange cast (common with light pollution or Bayer filters), a linked stretch will show that cast prominently. If the image hasn't been calibrated, a linked

If you want a structured curriculum from start to finish: If the image hasn't been calibrated