Went for an Aurora (which never turned up), stayed for the moonlight and clear skies. Capturing a moonshine rainbow on the spray from the dam spill was a bonus. Just one other element of magic on a glorious night.

video
Butchers Dam In Moonlight
Butchers Dam In Moonlight
Butchers Dam In Moonlight Startrail and Moonbow
Butchers Dam In Moonlight Startrail and Moonbow