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The morphology of the dayside auroral activity at high latitudes is discussed on the basis of photometers and low light TV camera observations. Review of the results of different groups of researchers are presented. The auroral activity observed is classified into two event types: (1) Drifting Ray Structures (DRS) and (2) Pulsating Aurora. The connection is discussed between these two events and precipitation particle fluxes of the different magnetospheric regions.
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