In lunar astronomy, a phenomenon known as libration is the perception that the Moon is wavering or swaying in the sky when viewed from Earth. Astrophotographer
For nearly a month, he traveled around the state of Arizona in search of clear skies, dodging bad weather and a dust storm to capture clear images of the Moon as it reached its zenith every night. In total, over 2 million individual photographs comprise the final timelapse, and each full image in the animation includes between 30,000 and 200,000 image files. A print edition is also available on