"My mate has sleep apnoea and he has this machine to keep him breathing while he's
asleep. So we have to keep the generator running all night for him. I hope the noise
won't disturb you." (The extent of our conversation with our neighbours.) It didn't.
Other pictures taken at Innamincka: http://www.pbase.com/lambsfeathers/innamincka

Note the 10-second exposure; and they weren't even asked to stay still.
But I needed a little help from Photoshop to deal with multiple waving arms.