[tilbrook@rbe.ne (Justin Tilbrook)]

Thor's Helmet with an hour and twelve minutes of data.
This is a repro, and the maximum I can extract from the data. The faint back ground nebulosity showing up well.
This really shows the value of using ISO 6400 with a cooler box under dark skies.
8” F/4 imaging newtonian / astrograph , baader type 3 coma corrector,. HEQ Pro 5 mount, orion mini guider....
Camera.
Unmodded Cannon 1100D plus cooler box. 36 subs at ISO 6400. Stacked in Deep Sky Stacker .Processed in Photoshop Cs2..

Cheers,

Justin.