Caption: "Comet Lovejoy (AKA C/2011 W3) is visible near Earth's horizon behind airglow in this nighttime image photographed by NASA astronaut Daniel C. Burbank, Expedition 30 commander, onboard the International Space Station (ISS), 2011 Dec22." (Slightly edited.)
Daniel C. Burbank (1961--),
(uploaded to Wikimedia Commons
Image link: Wikimedia Commons: File:Iss030e015472 Edit.jpg.
Local file: comet_lovejoy.html.
Comet file: comet_lovejoy.html.