M18 Black Swan (NGC 6613)
Size:9'(17 ly) Mag:7.5 Dist:4,900 ly Age:32 my


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 2.0.
Levels, curves, skyglow & noise removal and sharpening in Photoshop CS with Neat Image and Focus Magic. Image cropped.