Anyone would be forgiven for thinking you guys have been smoking some serious stuff the way you carry on about some lights in the sky :-D

Thanks for that fully detailed explanation Dave. Pretty impressive! Did you read that from a book just prior to typing it out or do you have the ability to regurgitate that kind of stuff on demand?

Christmas [lectures] came early!! :-)

L.

... and there is always an individual with no sense for romanticism that have the urgent need to EXPLAIN the northern light! Bah.