Solar Image Processing - Smart Sharpen
These tutorials demonostrate how to use the Photoshop Filter Smart Sharpen to bring out the details in your solar images. Smart Sharpen is included in Photoshop CS2 or later and is a vast improvement over Unsharp Masking.

Here is the link to more Solar Image Processing by Ken Crawford

See my Solar Images Here
Introduction to Smart Sharpen for Solar Image Processing
Smart Sharpen for Solar Prominences