Pixinsight Lerar Link

Stretch within the Screen Transfer Function (STF), a critical concept for balancing astrophotography data. Overview of Linear Links in PixInsight

Step-by-Step: Enabling the "Lerar Link" (Local Normalization) in WBPP

1. Open WBPP (Script > Batch Processing > WeightedBatchPreprocessing).
2. Load your Lights, Darks, Flats, and Dark Flats.
3. Go to the “Light” tab.
4. Under “Image Grouping,” ensure your filters are correctly assigned.
5. Crucial Step: Scroll down to “Output Normalization.”
6. Select “Local Normalization” from the dropdown.
7. The "Link" Step: For “Reference Frame,” choose one of two options:

   Initial Viewing (Unlinked): Upon first opening an image, use an Unlinked STF to see through the color cast and gradients. pixinsight lerar link

   • avg_ref = Average of Reference
   • std_ref = Standard Deviation of Reference
   • avg_tar = Average of Target
   • std_tar = Standard Deviation of Target