This is 10X2 min for each of RGB. It was an attempt to get a star field to give me a better idea of correctly adjusting the alignment.
Native resolution image 4MB
http://d1355990.i49.quadrahosting.co...05/bcrux_N.jpg
Upsized image X1.6 8MB
http://d1355990.i49.quadrahosting.co...05/bcrux_L.jpg
I upsized all the images by a factor of 1.6 before stacking to improve resolution.
This animated gif shows this quite well 3MB
http://d1355990.i49.quadrahosting.co..._05/resc01.gif
The B&W image is a corrected single green frame.
Bert