This is a very well known object.
A Google search will reveal many examples.
Rob, sorry it's not the Triffid (M20) you've imaged, it's the Lagoon (M8).
Your effort has the highlights burnt out, noisy shadows and the colour is frankly way off.
That said, I suspect the raw data is pretty good, and some more time with Startools or Photoshop will reveal a good rendition.
Stick with it
