aurora

Programs Binder - Aurora IGY

IGY Visual Aurora Program - observations and correspondence.  Material from Geoff Gaherty, RASC Montreal Centre.

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Aurora 19170821 #3

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XVI) by A. Steadworthy.

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Aurora 19170821 #2

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XV) by A. Steadworthy.

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Aurora 19170821 #1

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XV) by A. Steadworthy.

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