I hope I don`t bore you.
Here my last trial, I put the 350d into the refrigerator for makeing more darks. I marked 3 other galaxies:
http://www.prokyon.startime.at/Bilde...y_NGC_4236.jpg
And just for fun a 100% cut:
http://www.prokyon.startime.at/Bilder/NGC4236zoom.jpg
cheers
werner