Abstract
I CAN confirm Dr. Schuster's observation of the green flash at sunrise, as in September last I saw a green segment herald the sun as it rose from the sea into a sky which was free from atmospheric glare (see the Observatory, December, 1914). Observations had previously been made at sunset, in one of which the eye was unquestionably fatigued, and the green flash was seen upon turning away from the sun at the instant after sunset. In a later sunset experiment precautions were taken to prevent retinal fatigue, and again the flash was seen.
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DUFFIELD, W. The Green Flash. Nature 95, 66 (1915). https://doi.org/10.1038/095066a0
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DOI: https://doi.org/10.1038/095066a0
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