Pixinsight Lerar Link -

A frequently cited "workflow for dummies" document that helps beginners understand the order of operations.

The technique is also a favorite among narrowband imagers. If your OIII data appears weak compared to a very strong Ha signal, you can use the OIII channel as the reference and apply LinearFit to the Ha and SII channels to "boost" the signal of the weaker data, making for a more balanced final image. pixinsight lerar link

: Because most astrophotography cameras pick up heavy light pollution, atmospheric gradients, or have natural sensor biases, raw images usually feature a massive green or red color cast. When linked, the STF stretch amplifies this color cast, burying your nebula or galaxy in a wash of ugly background tint. 2. The Unlinked State (The Chain Icon is Disengaged) A frequently cited "workflow for dummies" document that