M17 Swan, Omega, Horseshoe, or Lobster Nebula (NGC 6618)
Size:11-29'(15-40 ly) Mag:6 Dist:5,000 ly

Camera: Canon EOS 300D Digital Rebel
Lens: Sigma 70-300mm APO @ 300mm, f/6.3
Exposure: 10x20s=3.3 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.