All that means is that you need to do it again with the 10" RC + ST8XME Fred...
resolution should be better then!
I must ask, the stars through a 3nm Ha filter must be TINY! did you do the star removal purely for the stars in the RGB images? or do you prefer the look minus the foreground stars?
I might add that I aspire to getting images like yours from my SCT... (I aspire to have clear skies first!
)