On a tatty piece of sub-ether David Mitchell at said...
Visible to the south east after 0800 today. Only a small patch but the first
I've seen for some time.


Certain you got the right one mate? Easy to get confused with iridescent
cloud....

http://en.wikipedia.org/wiki/Nacreous_cloud
http://www.psi.edu/iridescent.html
--
Rob C. Overfield
Hull