Sydney Harbour, Elizabeth Bay off Fleet Base East Garden Island. 17 February 2016
Her mooring was a rounding mark for Wednesday afternoon yachties!
See also http://www.shipspotting.com/gallery/photo.php?lid=2410325#
Approaching launch appears to be bringing sailors back from shore leave
Vessel at 33°51'46.79" S 151°13'55.93" E

RAN web site data:
Class Collins Class, Type Guided Missile Submarine, Diesel-Electric (SSG) , Pennant S78
Home Port Fleet Base West, Builder Australian Submarine Corp, Adelaide
Laid Down 12 May 1995, Launched 7 November 2001, Commissioned 29 March 2003
Displacement: surfaced: 3,100 tonnes, dived: 3,407 tonnes
Length 77.8 metres, Beam 7.8 metres, Draught 7 metres
Top speed: 20 knots. dived: 20 knots, surfaced: 10 knots, snorting: 10 knots
Range: surfaced: 11,500 nautical miles, dived: 400 nautical miles, snorting: 9,000 nautical miles
Complement: Crew sailors: 38, officers: 10. plus trainees
Propulsion Machinery
3 Hedemora/Garden Island Type V18B/14 diesels
3 Jeumont Schneider generators
1 MacTaggart Scott DM 43006 hydraulic motor for emergency propulsion.
Armament
Missiles McDonnell Douglas Sub Harpoon Block 1B (UGM 84C); active radar homing
Torpedoes McDonnell Douglas Sub Harpoon Block 1B (UGM 84C); active radar homing
Mines 44 in lieu of torpedoes.
Physical Countermeasures Decoys: 2 SSE.
Electronic Countermeasures ESM: Condor CS-5600; intercept and warning.
Radars Navigation: Kelvin Hughes Type 1007; I-band.
Sonars
Thomson Sintra Scylla active/passive bow array and passive flank, intercept and ranging arrays.
Thales SHORTAS retractable, passive.
Weapon Control Systems AN-BYG 1. Link 11.