Comet Window

Comet Lovejoy (C/2013 R1) is photographed through a window in the ruins of ancient Mörby Castle in Sweden. With a green-glowing coma and tails trailing several degrees in this telephoto image, the comet was visible to the unaided eye from a dark location at that time. Click on the second photo to see another single-exposure image of the comet framed by the window (a wider angle).