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Hi, Ross,
Lovely photo. I am guessing from the position of Mars that you took the "Mars" frame just before dawn on the 22nd of September. As well as the cone-shaped 4592 around nu scorpii, I can also see the rho ophiuchii complex at bottom right, M80 as a yellowish diffuse blob, and IC 4601 as a small blue patch with a pair of snake eyes.
Some of the star colours are possibly a tiny bit bluer than the catalogue would suggest, but I realize that isn't the point of your shot, which is the beautiful reflection nebulosity. Nice.
Cheers,
Mike
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