GSO 12" - barlow GSO 2x - Cannon 350 D - 17 frames - 10 minutes and 18 seconds.
The same serie of frames but under diferent image stacking tools.
Deep Sky Stacker - Photoshop
http://multiply.com/mu/jsmoraes/imag...nmid=532528860
Rot'n'Stack - Photoshop (Min, Mean and Sort files)
http://multiply.com/mu/jsmoraes/imag...nmid=532528860