These pictures were taken on 6th April 2007. We were in a little town called Moonta in South Australia, about 2 hours drive from Adelaide City. I took these photos from the local scenic railway tour. They were taken at 2:15 PM on the date mentioned above.
After stopping on the train with a guided tour, he preceded to tell a story about the local mining town. I noticed an object in the sky just to his left, and I managed to snap of the photo, after looking at it for a couple of seconds. I went in for a second photo, but by time I grabbed my camera I could not find the object. The object made no noise and it was completely stationary.

