We've all seen rainbows, but have you ever heard about the phenomenon of fire rainbow? Scientifically this is called allogeneically arc, and in fact it is an optical effect — a type of halo formed plate ice crystals in high level Cirrus clouds.
On a Sunny day, Cumulus clouds rise upwards, pushing layers of moist air is even higher where they cool down and condense, forming a cloud cap.
When these cloud caps are formed very quickly, their water droplets become approximately the same size, which is the perfect condition for iridescent colors.
Photographer under the nickname daslasher1 was in the perfect place at the perfect time to capture fire rainbow in the sky.
How often do you see this "fuzzy rainbow", depends on your location and latitude.
In the US, for example, is a relatively common phenomenon, which in one summer can be observed several times.
But in Northern Europe is not often seen.