Sydney Harbour, Walsh Bay near Millers Point. 13 May 2014.
See Google Earth 33°51'11.54" S 151°12'11.60" E

Built : 2006 ... Builder/Naval Architects : Sensation Yachts ... Interior Designer : Mitchell Rubin ... Exterior Designer : Jon Overing Custom Yacht Designs
Steel hull with a aluminium superstructure
Length : 52.88m (173'5"ft) ... Beam : 9.75m (31'11"ft) ... Draft : 3.29m (10'9"ft)
Guests : 12 ... Cabins : 6 ... Crew :11 ... Speed : 16 Knots

More data available from http://www.superyachts.com/motor-yacht-3378/noble-house-specification.htm