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Abstract
An airglow imager which monitors mesospheric OH and O(1S) emissions together with thermospheric O(1D) emission with a capability to map the sky at 150° field of view has been installed at Gadanki (13.5°N, 79.2°E). First measurements with the imager have been made with 90° field of view. We note large amplitudes of mesospheric waves traveling from South to North direction with horizontal wavelengths 10–50km. The thermospheric measurements, at the same time, show occurrence of North–South aligned plasma depletions which were found moving to the East. We present these results to showcase the capability of imager and initial results on the mesospheric wave structures and their linkage to the F-region plasma depletion.
Published Version
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