Circum Borealis

By: Arnaud Besancon


Alsace, France

2017 July 17


From the photographer: "Circumpolar star trails from the radar of the Grand Ballon (1394m), on a night where I noticed aurora borealis from France. You can see a really weak violet halo light of aurora in the background sky."
Technical details: Stacked sequence of 240 photos, each 20s, Canon 6D, 14mm XP Samyang F2.4
Arnaud Besancon

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