Ajay Talwar was at Devasthal Observatory, Uttarakhand, India, when he took this sequence that shows Comet PANSTARRS setting March 11. He used a Canon EOS 5D Mark II with a 200mm lens, set the camera to ISO 1600, and took 16 shots at one-minute intervals. The exposure times varied between 0.4 second and 3.2 seconds.

Ajay Talwar