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Tropical Twilight Behaviour of the [01] 6300 Å Air Glow at Townsville
Nature, 1963AMONG the effects of upper atmosphere [01] 6300 A emission described by Barbier1 is a twilight enhancement which was afterwards observed in northern tropical latitudes at Hawaii by Barbier, Roach and Steiger2. Twilight enhancement consisting of at least two components has now been observed in southern tropical latitudes at Townsville (geomagnetic ...
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