|A view from above Kofa|
Photo by Chris Hanrahan
As a result, not much actual writing got done. And when I say "not much", I mean no writing got done. Instead, for the uninitiated, here's a step by step process on creating a luminance mask in PixInsight. As you'll see - it's really easy. And in PixInsight, this is a technique you'll use in various ways over and over and over. Enjoy!!