No visible central blobs using the other telescopes.

I do have moderately high light pollution (I'm just outside Brisbane) but not extreme. It all seems pretty strange that I didn't get any of the with the Canon 550D (other than the prior mention of the possibility of it being IR).
I don't currently have any filters in the setup although am pondering adding some filtering to dry and reduce the sky glow. An area I need to do some more reading on.