RAWs processed to 16 bit TIFFs in Capture NX
Images stitched together in PTGUI 8 Pro with exposure fusion option
Sky from EV-1 blend plane blended with exposure fused image and ghosting fixed by blending in sections of EV0 images in Photoshop CS4
Extra sky cloned in at corners of image in Photoshop CS4
Topaz adjust with 'Photo Pop' setting selectively applied in Photoshop CS4