Felly sgrifennodd Mike Causer :
What I saw was not an aircraft.

It wasn't a traffic light reflecting in your windscreen was it? Sorry if that
sounds flippant, but you haven't given enough detail to rule out that
possibility.

Adrian
--
Adrian Shaw ais@
Adran Cyfrifiadureg, Prifysgol Cymru, aber.
Aberystwyth, Ceredigion, Cymru ac.
http://users.aber.ac.uk/ais uk