[JohnH]

Here is my fist go at a tri-colour narrowband image - I recently added Sii to my Oiii and Ha Astronimic filter collection.

I have also recently swapped the focuser on my 127 ED for a motorised moonlite CFL and automated the focus routines and filter selection with a script in AA$ so this was run totally hands off for the first time which is great.

There are some issues here - first I did not get enough data due to breaking the power cord to the mount during the meridian flip - just me being clumbsy but I lost 2 hrs of good light time fixing and re-starting everything so there is only about 40 mins (10x 4 min subs) each of Sii, Ha and Oiii, second I should not have collected equal amounts of light with each filter and my processing was a a bit sloppy also. My focus offset for the Oiii filter was not correct so there was a little distortions in star shapes due to that and I need to insert periodic re-focus into my script to compensate for temp shifts - one step at a time -but I am on the road I think...