It vanished as quickly as it appeared. A strange contraption that I can only guess checks the accuracy of rail lines that have been laid or repaired.
Part of the reconstruction of the rail line which is used to transport coal from the Leigh Creek mines to the Port Augusta powerhouse.
Anyone who has visited the plains on the western side of the Flinders ranges on a cloudless evening will appreciate the stunning afterglow that occurs on the horizon about 30 minutes after sunset.
Shot at f5.6, ISO 400, shutter speed 3 seconds.