North American Nebula (NGC 7000)
Size:120'x100' Dist:1,600 ly
Camera: Canon EOS 300D Digital Rebel
Lens: Sigma 70-300mm APO @ 214mm, f/5.6
Exposure: 23x25s=9.6 min @ ISO1600
Mount: ETX-90EC polar aligned
Processing: Dark, flat and bias calibration, alignment, stacking and digital development in IP 2.5.
Levels, curves, skyglow & noise removal and shapening in Photoshop CS with Neat Image & Gradient Exterminator.