Interesting nebula this one. I shot it some time ago. I woinder about your camera being square to the optical path though. At the bottom of the image the stars are round (near perfect) and at the top they are elongated. What focusor are you using? The trouble with all these focusors is that they flex at different times. Even the feather touch I have flexes just a little and that is all that is needed to get elongated stars in one part of the image.
Overall, I like the shot Steve. I think somewhere in between both for colouring. I think there is a strong hint of Ha in part of this nebula.
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