He spent 13 years compiling the seven Pictorial Guides to the Lakeland Fells, tramping the fells in all weathers at weekends, with raincoat, map and camera.
On a good night, this camera will be able to map a swathe of sky approximately the size of the Plough's blade (or, for North Americans, the Big Dipper's bucket).
The satellite-borne phone will map the Earth with its 5 megapixel camera and conduct a number of scientific and engineering experiments, the most significant of which will be to hand total control of the spacecraft over to the Nexus.