Left hand image by Mike Sidonio
6" Starfire F7.5 APO + FLI PL11002 on Tak NJP mount
L SII Ha OIII R G B image
Newcastle, elevation 200ft

Right hand image by Keith Quattrocchi
One of the finest images of The Eagle Nebula taken by an amateur
16"RCOS F9 with Ion milled optics + STL 6303M + AOL on ParamountME
Ha SII Ha OIII image
Sierra Remote Observatories California, elevation 4600ft

Keiths image is certainly spectacular and slightly superior in resolution but
the 6" Starfire hangs in there pretty well with the big gun I recon :-)
See Keiths full frame image here: http://www.lostvalleyobservatory.com/page28m16nb/