I took a couple of photos flying over Poland a few weeks back and haven't had a chance to put them up until now. These are parhelic circles, and I've only seen these once before. If you're lucky they can wrap the whole sky, with a number of special nodes like these. Anyway, these were the shots I got from the plane, as we descended through the lower layers of cloud.
and a close up:
Heading back to the English garden with friends and colleagues yesterday afternoon the light was perfect and I got a few nice Autumnal shots: