One thing about Scotland; the weather is always going to provide a few surprises from one hour to the next. This image is stitched manually from a few frames. Auto stitching software does tend to struggle a bit with rainbows, probably because of the smooth graduations you need. That’s one of the things I love about digital workflows though. An 18mm lens can quickly become a super-wide angle.
Nikon D300; Tamron 18-270mm PZD @ 18mm; ISO 250; F/8; 1/125s. VC on