Rosette Nebula NGC 2244
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2009 January 23rd
from Dengie Marshes, Essex, UK
Canon 20Da DSLR camera with Canon 200mm telephoto lens at f 4.
Tracking on an Astrotrac mount.
39 mins total exposure 13 no x 3 minute exposures stacked using Deep Sky Stacker
800 ISO and IDAS filter mounted over lens front
The night was very cold with occasional interference from high cloud.
