I liked your capture of homunculus. It is very similar with mine, This target is very difficult. Eta is very strong, and the nebula very faint.
I stacked with Registax 6 and I used the wavelets to enhance the image.
http://astronomia-e-astrofotos.10697...ubble-blur.jpg
http://astronomia-e-astrofotos.10697...arina-rgtx.jpg
note: one of the best image you can see in
http://www.iceinspace.com.au/forum/s...unculus&page=3