Well it's possible but difficult to bring out the Vela Supernova remnant with an umodded camera and very average zoom lens.
The image required a lot of processing and many different versions before I had something reasonable.
HEQ Pro 5 mount, orion mini guider.
Camera.
Unmodded Cannon 1100D 75 to 300 zoom at 110mm f/4.5 30 x 2 minuye subs at ISO 6400. Stacked in Deep Sky Stacker .Processed in Photoshop Cs2..