Improving sky backgrounds in astro images
Expert processing tips to enhance your astrophotos
Astrophotography processing is about more than just stretching data and reducing noise, those unwanted artefacts. It is also important to create an even, realistic-looking background for your deep-sky objects. A flat, dark background will enhance the appearance of the target, but depending on the conditions you are imaging in, this can be a challenging thing to achieve.
Generally, you don’t want to focus on making the background sky completely black,