Images of Comet ISON, taken by the spectrograph SUMER on board the solar observatory SOHO on November 28, 2014, at 6:01 p.m. Central European Time, reveal the tail’s shape. The red dots mark the predicted positions of the comet’s nucleus in intervals of one minute, the red cross depicts the last position at the time of the picture recording. The white arrow indicates the direction to the Sun. Brightness contours and center line of the tail clarify its appearance.