M42 & Running Man Nebulas AstroTrac TT320X, Modified 40D (clear glass), LPS P2 clip filter, Canon EF 300mm f/4L non IS lens + 1.4x ext
30 lights/30 darks 8 sec iso800
30 lights/15 darks 30 sec iso800
36 lights/10 darks 120 sec iso 800
IP+ 3.5 calibrated, normalized, graded, aligned, stacked for each run
DDP stretched 3 combined files, then blended using PhotoMatix. Final editing in CS3 - sharpening, further stretching, Carbonis tools, cropping.
Shot from central California coast