Far ultraviolet auroral imager

Reviewing the technology development of imaging the global FUV auroral morphology, we introduce a space-based FUV auroral imager prototype developed by the Center for Space Science and Applied Research (CSSAR). It is designed to obtain continuous observations on the temporal and spatial morphology of the aurora which occupies highly elliptical high-altitude near-polar orbits. Primarily composed of a telescope system, image intensifier system, CCD, and collection and control system, the instrument works in the spectral region from 140–190 nm in the field of view 25°×25°, and the spatial resolution is better than 0.1°.