Noctilucent Twilight

I have never seen noctilucent clouds that I am certain of although on a few occasions I've extremely high altitude clouds that made me wonder if they were such despite the fact such clouds are not supposed to be seen elsewhere than the high latitudes and polar regions. This image of such clouds was captured by M.J.S. Ferrier at Barassie Beach, Troon, Scotland before dawn today. I particularly like the fact this photographer doubled our pleasure by treating us to the reflection of the noctilucent clouds upon the water.