This was my first attempt on timelapse photography and also shooting northern lights. The video was filmed on 23 March 2012, my first night, in Alaska at -30 degree Celsius! What you're seeing here is really my trial shot because due to bad weather conditions, I never get to see the lights again as it was snowing heavily throughout my stay there.
So I decided to visit the same place again from 9 Feb 2013 to 16 Feb 2013! If you wish to join me, please email me at firstname.lastname@example.org for more information.
For more photos, please visit facebook.com/media/set/?set=a.388039564549681.88758.146105272076446&type=1
As the electrons enter the earth's upper atmosphere, they will encounter atoms of oxygen and nitrogen at altitudes from 20 to 200 miles above the earth's surface. The color of the aurora depends on which atom is struck, and the altitude of the meeting.
Green - oxygen, up to 150 miles in altitude
Red - oxygen, above 150 miles in altitude
Blue - nitrogen, up to 60 miles in altitude
Purple/violet - nitrogen, above 60 miles in altitude
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