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Scorpius Tail (vertical) (135mm f2.8 5D).jpg
Scorpius Tail (NGC 6231) area, field oriented equatorially, with Hutech-modified Canon 5D camera with 135mm f/2 Canon L lens at f/2.8 for 3 minutes each at ISO400. Stack of 3 exposures, averaged stacked. Taken from Coonabarabran, NSW, Australia, July 2006.