Image was taken with a Canon 7D camera and a 10-20mm lens set at 10mm to capture the full 22-degree halo around the Moon, the exposure was for 10 seconds. With long exposure photos always use a tripod or rest your camera on a stable surface so you get a nice clear image without any movement.
To view some more lunar halo’s please go to Les Cowley’s ‘Atmospheric Optics’ website at: http://www.atoptics.co.uk/halo/circmoon.htm