Radarcontact
Great to see almost the full circle of rainbow in your second photo.
If you took the shot do you recall the met conditions and time of day.
My first sighting was from a Bristol Frightener/Freighter early morning about FL 50 heading west through rain showers between Edinburgh and Maralinga S Oz
My second was late afternoon at about FL40 descending in vicinity of showers into Canberra Oz. This one was very vivid and could only be viewed with considerable awe!!!
Wish I had had a camera because it seems that they are VERY rarely seen.