SS Speke Ahoy!
A 155 second exposure of the SS Speke shipwreck at Kitty Miller Bay on Phillip Island. The image was taken during daylight using ND400 and ND8 filters stacked together to give about 12 stops of darkness.
The image is available to purchase as a quality print at Redbubble.
You can see more long exposure images of the SS Speke shipwreck here.