M8 Lagoon Nebula (NGC 6523) & M20 Trifid Nebula (NGC 6514)
M20: Size:28' Mag:9 Dist:5,200 ly
M8: Size:90'x40' (140x60 ly dia.) Mag:6 Dist:5,200 ly
Camera: Canon EOS 300D Digital Rebel
Lens: Sigma 70-300mm APO @ 190mm, f/5.6
Exposure: 6x15s=1.5 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.