Just testing out some new narrowband filters - Chroma 3nm OIII and 5nm Ha, replacing my ZWO 7nm ones.
An improvement over my previous attempts I think, and the Chroma filters don't seem to generate halos around brighter stars as easily as the ZWO ones did.
This was about 11 hours OIII and 9 hours Ha taken in suburban Adelaide on an RC8 and Mach1 mount with a ZWO 1600MM-C.
Astrobin version is
here.
Edit: in response to Marcus' comment below, I remembered I had 6 hours (3x2) RGB on this from last year. I've used that for star colours and updated the Astrobin link above. A slight improvement maybe ... but the big change is that it pushes it over the 24 hours of data mark so I can now make a rubbish pun I was toying with that this is a Thor's Day.