M57 Ring Nebula (NGC 6720)
Size:1.4'x1.0' Mag:8.8 Dist:2,300 ly Age:7,000 y

Camera: Canon EOS 300D Digital Rebel
Telescope: Celestron 9.25" SCT, 2350mm @ f/10
Exposure: (6x15s)+(7x20s)=3.8 min @ ISO1600
Mount: Celestron ASGT
Processing: Dark, flat and bias calibration, stacking and digital development in IP 2.5. Alignment in Registar.
Levels, curves, skyglow & noise removal and shapening in Photoshop CS with Neat Image & Gradient exterminator. Image cropped.