Nice trick description with the insertion of " northern horizon " in the
explanation. I was startled at first, knowing my geography and that Antartica is south, coupled to the fact I just saw the full moon not too long ago at 48 degrees latitute north. Fish don't smell right and the beer is warm, at first. The light at the end of the tunnel was not another train coming the other way. You are looking north at the South end of the earth.Great shot, I wish I was that good.
[edited to add url... why is that so hard to leave a clue for what a hell you, people, are posting about? not everybody here monitor apod-s every day! - makc]