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Fig. 3 | Earth, Planets and Space

Fig. 3

From: The AUTUMNX magnetometer meridian chain in Québec, Canada

Fig. 3

Geomagnetic coordinate view oriented to facilitate interhemispheric comparison, with orientation approximately matching that of the top panel of Fig. 2. Northern hemisphere magnetometers are indicated with black dots, except that 10 AUTUMNX magnetometers are indicated by red dots. Southern hemisphere magnetometers are plotted with inverted geomagnetic latitude using blue dots. Orthographic projection centered on the magnetic pole is used to give greater emphasis to polar regions. The grid is 15 degrees in both geomagnetic longitude (marked around edge) and in geomagnetic latitude (not marked). The approximate usual auroral zone is marked in green between geomagnetic latitudes 65 and 75 °. See text for details

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