Aurora & Airglow Panorama
Taken by Alan Dyer on September 26, 2014 @ near Bassano, Alberta, Canada
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Date Taken: 2014:09:27 01:28:01
 
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The aurora kicked up again Friday night, Sept 26, with a substorm hitting about 11:30 pm MDT. I shot this panorama as the substorm was dying down and the display was breaking up into patches with some rays shooting up from the main band.

The aurora added more colours to a sky already filled with dim green and red bands of airglow, here most visible to the west (left) of the 180° panorama, stretching from the west to the east, on a rural road in southern Alberta. The grain bins are full with the grain harvest.

The odd structure in the sky to the northwest (left of centre) is the sharp edge to the auroral curtains. This shows up in several frames of this multi-frame panorama, so it is not an artifact of the panorama stitching. It was also not as prominent 5 minutes earlier in photos.

Adding still more colours are the light pollution horizon glows at the ends of the road, from the city of Calgary in the west (left) and the small but nearby town of Bassano in the southeast (right)

This is a stitch of 7 images, each 30-second exposures at f/2.8 with a 16-35mm lens at 16mm, and a Canon 5D MkII at ISO 3200.
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