I left the lens open for twelve minutes (f/22, ISO 200 w/ a 28mm lens)
One of the coolest things about photography is that it can show us things that we experience everyday, but don’t necessarily perceive. Like the motion of our planet. Check out the trails left by the stars – the earth moved much more than I expected in such a short time.
Here’s the photo with the constellation diagram placed over the stars’ positions.