My plan worked. Multi-exposition time and stacking as group in DSS.
The weird black line are causing problems. I lost the sensor. The session was terrible, with many problems: PHD, BackyardEos, clouds and others.
The sky was more than beautiful, black, clean, dark... and I fighting against all.
Now I am very tired to continue with the processing. I would like to experiment another way to mix Halfa information.
I know it can be a little better. I have signal !
GSO 305 mm - Canon T3 - OAG - Coma corrector
ISO 400 - 22 x 2 min - Skyglow Filter
ISO 800 - 4 x 2 min - Skyglow Filter
ISO 3200 - 20 x 2 min - Halfa 12 nm
http://www.astrobin.com/110524/0/