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Sporadic Aurora near Geomagnetic Equator: In the Philippines, on 27 October 1856. (arXiv:1808.06608v1 [physics.space-ph]) http://arxiv.org/abs/1808.06608
Sporadic Aurora near Geomagnetic Equator: In the Philippines, on 27 October 1856. (arXiv:1808.06608v1 [physics.space-ph]) http://arxiv.org/abs/1808.06608