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M16 & M17 (77mm 5D).jpg
M16 and M17 Nebulas, taken with 77mm Borg astrogrpahic refractor at f/4.3 and Hutech-modified Canon 5D camera for stack of 4 x 10 minute exposures at ISO 400. Taken from Coonabarabran, NSW, Australia, April 17, 2007. Scope aimed straight up and so mount wandering somewhat with guiding errors. Focus slightly soft from temperature change thru the night (this was taken at the end of the night).