I see a shot that suffers from several issues. Soft focus, frame alignment that is off and tracking that is a bit suspect. This is also a narrowband image and they are very hard to process. I wouldn't use this image to judge the optics IMO.
CS's
-------------------- Bobby
StonyHill Observatory Skywatcher EQ6 Pro (On it's way)
AT 130 F/6 Prototype
Royce 10" f/4 Astrograph (Under Construction)
Self Modded 40D
70-200 F2.8 L IS
SSAG