Auroral Displays at Saskatoon

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A VERY intense auroral display was observed at Saskatoon during the night of January 24-25. The display began as a red aurora at 6.15 and the red colour persisted until 7.45 ; all times mentioned are Mountain Standard Time (seven hours behind G.M.T.). Some red was present at all times up to midnight. At 7.30 the display consisted of two red sheets in the east and west, and a beautiful corona near the zenith. The corona was green overhead, and red near the eastern and western borders. Three homogeneous arcs were present at 8.00, one in the north at altitude 15°, a second passing through the zenith, and a third in the south at altitude 10°. All auroral forms were present at some time during the display, which lasted until dawn. Newspaper reports indicate that the red aurora was seen in British Columbia and as far south as California.

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PETRIE, W., FORSYTH, P. & MCCONECHY, E. Auroral Displays at Saskatoon. Nature 163, 774 (1949) doi:10.1038/163774b0

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