September 23, 2007
M27 Dumbell Nebula
Focussed with Canon 40D Liveview on Sham mag 4.37
Scope: Celestron 6in SCT @ f6.3 ( with wires for diffraction spikes), No Filters
Mount: CG5-GT (ASGT)
Camera: Canon 40D (unmodded)
Exposure: 42min total, each frame ~3min, ISO 800, darks and flats
Guiding: DSI-C with SW Equinox 80mm APO, PHD Guiding
Processing: Deep Sky Stacker, PS (Curves, Levels, Saturation, Noels Space Noise action)