The "linear link" in PixInsight typically refers to the Linked Channels mode within the Screen Transfer Function (STF)
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: pixinsight lerar link
Once the LRGB combination is complete, the image usually looks good, but it can be improved. The "linear link" in PixInsight typically refers to
The most common interaction with a "linear link" is the Link RGB Channels icon (the small chain link) within the ScreenTransferFunction (STF). Linear vs