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Simultaneous ground and satellite observations of an isolated proton arc at subauroral latitudes
(Journal of Geophysical Research, 2007)
We observed an isolated proton arc at the Athabasca station MLAT: 62◦N) in Canada on 5 September, 2005, using a ground-based allsky imager at wavelengths of 557.7 nm, 630.0 nm, and 486.1 nm (Hβ). This arc is similar to ...