Unsharp Mask Filter - How is Unsharp Mask Filter abbreviated?
References in periodicals archive
Immediately after running the Unsharp Mask filter, select: Edit-> Fade Unsharp Mask.
You could apply this kind of sharpening in much the same way as we have with the Unsharp Mask filter, but using a much higher radius.
One important lesson I've learned after considerable experimentation is proper use of Adobe Photoshop's Unsharp Mask filter
. I found that the best setting for the filter's radius (given in pixels) is the one that approximately matches the telescope's limit of resolution.