Bubble Nebula

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Date: 1 & 2 October 2008
Location: My back garden in suburban London.
Exposure: 66 x 5 min at ISO800
Telescope: Celestron C11 with F6.3 focal reducer on Skywatcher EQ6 mount.
Camera: Modified Canon EOS 350D
Guiding: Nikkor 300mm lens with modified Toucam webcam
Filters: Astronomik CLS and IR/UV filters
Processing: Stacking, arcsinh range compression, 2/3 size reduction in IRIS.