"It was a little rough hanging out for an hour at 20 below zero, (between 30 and 40 below with the wind), but it was a great test for my new winter gear!
The stars were exposed for 4 minutes at ISO 1600 using a tracking device (easy to setup at home, kind of tough in the cold with a metal flashlight in my mouth). This seems to let me capture more stars than a quick 30 second exposure, and there's zero trails going on. The canyon was exposed with a combination of twilight and moonlight."
