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This is a three exposure HDR using NIK HDR Efex Pro 2 for the merger and tonemapping as well as some exposure and structure adjustment. The three kayaks in the scene are from the middle value exposure which is the default frame for NIK HDR Efex Pro 2 when anti-ghosting is applied; I used a 60% setting which seems to work very well for preventing ghosts when objects in the scene are moving in one direction. The anti-ghosting also worked very well for the women walking along the landing at this 60% setting. After completing my NIK HDR Efex Pro 2 adjustments I returned the image to Aperture 3 where I adjusted the separate color channels to get the image I wanted.