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The Great Aurora of June 16, 1915

Abstract

IN reply to Dr. Chree's note in NATURE for July 22 concerning the auroral display of June 16, I would say that the times (as indicated in my note in NATURE for July 15) were in Greenwich Mean Time. This, of course, begins at Greenwich Mean Noon. It did not occur to me that this might be misleading to the unastronomical reader. If one will subtract twelve hours from the times given by me, he will then have the dates for the morning of June 17 at Greenwich. Thus June 16d. 15h. 30m. G.M.T. will be June iyd. 3h. 30m. a.m., Greenwich Civil Time.

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BARNARD, E. The Great Aurora of June 16, 1915. Nature 95, 703 (1915). https://doi.org/10.1038/095703a0

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