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Abstract
This paper describes some of the contributions to research being made by photographic techniques in conjunction with the British high altitude research rocket Skylark. The role of photography in general in such research is briefly reviewed. An account is then given of the special ballistic photography developed for the grenade method of measuring high altitude winds and temperature. Work in progress on obtaining star photograbhs in the ultra-violet (1700Å) and on measuring the solar X-ray flux (near 10Å) is described. Some account is also given of a photoelectric method of satellite tracking and of the part played by photography in this.