Sadly, the Jetphotos.net census refered to above is now 18 months out of date; they only managed to update it once after taking over from Bill Harms upon his 'retirement'.
This one is rather more current:
http://www.airfleets.net/recherche/?file=recherche
Alternatively, just try typing a registration into Google.
(I still consider the anorak to be a perfectly serviceable item of clothing!)
RSN.