Abhijit Patil, taken from Lick Observatory, California

Comet Tsuchinshan-ATLAS appears over the crest of the Cordillera Diablo as seen on September 28. The photographer captured the comet with a 10-second tracked exposure at ISO 100 with an astromodified Nikon mirrorless camera and a 200mm f/2.8 zoom lens. The close-up is a separate 25 second exposure.