Auroral Pictures from Toolik Lake, Alaska

multiple curls from Poker Flat
Multiple curls in a thin auroral arc. Photo taken from The Poker Flat Research Range near Fairbanks, Spring 2003 (Nikon D100).
Aurora
after sunset
Shortly after nightfall (the sky still has some blue in it): Similar small scale curls in a thin arc. Also not that the upper part of the auroral arcs are blue, indicating sunlight scattered from aurorally ionized molecules (Nikon D100, Mar 2003).
toolik cameras
Cameras and a satellite dish are used in a auroral rocket campaign. The view it towrds the east from Toolik Lake field camp (Canon Powershot G2, Mar 2003)
toolik camp
Aurora over Toolik Lake camp. The view is towards the north-west (Canon Powershot G2, Mar 2003).
purple boarder close up
A close up of a small auroral feature which shows a purple lower boarder. This puple boarder is an indication of very high energy electrons in the aurora. The absence of stars indicates a very short exposure (Canon Powershot G2, Mar 2003).
Substorm
The breakup of an auroral substorm seen from Toolik Lake. View is to the southeast with the Brooks Range in the foreground. The clouds in the center are slightly orange because they are illuminated from below with sodium lights, from a pumpstation on the pipeline (Nikon D100, Mar 2003).

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