The first image is a 7-image stitch looking west through north, and you can barely see the red haze of the edge of the aurora on the right horizon.
This second image shows the red 'curtaining' of the aurora a bit more clearly, with the Vasquez peaks below and left:
Lastly, a composite from a time-lapse I compiled of 159 images spanning 90 minutes. You can see three hikers descending the ridge line:

I also threw together a short 9-image time-lapse that shows the red veils of the aurora moving a bit, which you can see here:
http://jeffwarnerphoto.com/2013/10/09/1 ... d-pass-co/" onclick="window.open(this.href);return false;
If you want the backstory on the hikers (interesting story!), check out this post:
http://jeffwarnerphoto.com/2013/10/09/1 ... d-pass-co/" onclick="window.open(this.href);return false;
Cheers!