Step 7: Final noise reduction, switching Tracking off

Switch Tracking off and apply noise reduction. You will now see what all the "signal evolution Tracking" fuss is about, as StarTools seems to know exactly where the noise exists in your image, snuffing it out.

As of StarTools 1.6, you get the choice of two noise reduction styles. One removes nose grain entirely, the other shapes it (some astrophotographers prefer a measure of equalized noise grain for a filmic effect). Which one you choose is down to your personal taste, as well as the noisiness of your dataset.