Surfers catching waves at Manly Beach, sunbathers sprawled on the sand at Shelly Beach, a determined lone swimmer doing laps in an ocean pool, yachts moored on a glittering translucent sea... It's autumn in Sydney, but you wouldn't know it from these aerial photos, taken from a blimp.

Getty Images photographer Cameron Spencer boarded the Appliances Online blimp and flew quietly over Australia's largest city, capturing familiar landmarks such as the Sydney Opera House and Harbour Bridge, as well as a few Australians enjoying the great outdoors.

Sydney aerial photos Appliances Online blimp
The Sydney Opera House from aboveCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Climbers on the Sydney Harbour BridgeCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
The Queenscliff ferry heading from Manly Wharf to Circular QuayCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Speedboats criss-cross Sydney HarbourCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
People working out on the wall around an ocean pool on the Northern BeachesCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A swimmer doing laps in an ocean pool on the Northern BeachesCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Houses and swimming pools in southern SydneyCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Aerial photo of surfers at Manly BeachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A bridge at Warragamba damCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
People relaxing at Redlead Pool in Double BayCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
People swimming laps in North Narrabeen ocean poolCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Hornby Lighthouse at South HeadCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Aerial view of a Manly Point from a blimpCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A stand-up boarder riding a wave at Manly BeachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A swimmer at Lady Bay nudist beachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Rocky Point at Balmoral BeachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
An aerial view of children playing footballCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
An aerial view of hundreds of yachts moored in PittwaterCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A swimmer at Reef BeachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A golfer putting at Terry Hills Pitch and PuttCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
People walking at The BowerCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A yacht moored at Spring CoveCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
The Sea-Cliff Bridge at Stanwell ParkCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A bare tree in Camden casts a long shadowCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A surfer walks down Palm BeachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A tanker refuelling HMAS Adelaide at Garden IslandCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Kimbriki Resource Recovery CentreCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
People swimming at Boy Charlton poolCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A sea plane at Rose BayCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
The Australian Baha'i TempleCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
People sunbathing on Shelly BeachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
People playing beach volleyball at Manly BeachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Surfers at Avalon BeachCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
An aerial view of boats moored in PittwaterCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A horse rider in southern SydneyCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Cars on the M5 freewayCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
People playing a round at Long Reef golf courseCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
A stand-up boarder riding a wave at Manly BeachCameron Spencer/Getty Images

The Appliances Online Legend Blimp is the only airship currently operating in the Southern Hemisphere. It is 11 metres wide, 13.4 metres tall, and 39 metres long (approximately the length of three buses). It is filled with enough helium to fill up 136,000 party balloons.

Its two engines use less fuel in two weeks of operation than a 747 uses to taxi to the end of the runway for take-off. The airship's usual maximum speed is 45mph (72km/h), though it has reached speeds of 57mph with a tail wind.

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Chief Pilot Mark Finney prepares to launch the Appliances Online blimp from Camden Airport in SydneyCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
The Appliances Online blimp makes its way down Sydney's eastern suburbsCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Dover Heights and central SydneyCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
The Sydney Opera House and CBDCameron Spencer/Getty Images
Sydney aerial photos Appliances Online blimp
Mark Finney flies and navigates the Appliances Online blimp towards Barrenjoey HeadlandCameron Spencer/Getty Images

The blimp is never deflated, and the 13-strong crew includes two qualified pilots, two licensed aviation mechanics, a crew chief and a clerk, as well as ground staff that includes watch keepers and ground crew. Its stability and slow-cruising speed make it perfect for capturing amazing aerial photography and video footage.