The aerial photography for this project was captured within the 2021/22 flying season (September 2021 – April 2022).
Camera and Flying Height All photography was captured using Vexcel's digital UCE camera fitted with the 100 mm lens and flown at an altitude of approximately 15,777 ft (4,808 m) with the lowest ground GSD set at 0.25 m.
Capture Dates The aerial imagery was captured on the following dates: 8 + 10 November 2021, 26 November 2021, 8 December 2021, 18 + 29+ 30 January 2022.
Sun Angle Imagery captured with a minimum sun angle of +35 degrees. The sun angle of the imagery used for the orthorectification ranged from 35 to 71 degrees.
Flight Planning The flight survey number for this project is SN14214 The flight plan is named ’Marlborough Rural 25cm V2 UCE’ and comprises 76 runs, 4,313 frames. All imagery captured in stereo: forward overlap 60%, min 54%; side overlap 35%, min 15%.
Environmental Specification Imagery captured with no cloud or cloud shadow within the area of interest. Identified coastal area for low tide captured within 1.5 hours either side of low tide. All other coastal areas have best efforts to capture within 1.5 hours of low tide if possible.
Ground Control A combination of existing control and LINZ benchmarks were used for aerial triangulation for this project