M13 Globular Cluster

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Date: 10 June 2008
Location: My back garden in suburban London.
Exposure: 30 x 4 min at ISO800
Telescope: Celestron C11 with F6.3 focal reducer on Skywatcher EQ6 mount.
Camera: Canon EOS 300D
Guiding: Nikkor 300mm lens with unmodified SPC900 webcam
Filters: Astronomik CLS filter
Processing: Stacked, asinh dynamic range adjustment, 2x2 binning, cropped (all in IRIS)