Sydney Harbour, Chowder Bay Navy wharf. 3 June 2013.
See Google Earth 33°50'25.61" S 151°15'21.30" E
In background : Taylors Bay, Bradleys Head, Clark Island, Darling Point.

IMO number : 9590905
Name of ship : MAERSK MIYAJIMA (since 01/09/2011)
Call Sign : 3FUP9
MMSI : 357616000
Gross tonnage : 28777 (since 01/09/2011)
DWT : 48020
Type of ship : Oil Products Tanker (since 01/09/2011)
Year of build : 2011
Flag : Panama (since 01/09/2011)

Line handler work boat Penrith - no apparent conflict as in http://www.shipspotting.com/gallery/photo.php?lid=1514995