Three colleagues of ours supported a science team around Prof. Dr. Antje Boetius on Polarstern’s campaign PS101 to Karasik Seamount in the Arctic. They were responsible for the ship’s IT infrastructure, the operation of the echosounders ATLAS Hydrosweep and Parasound as well as analysis, processing and documentation of acquired datasets e. g. from underwater navigation systems. Additionally to all that they found a new sea mount close to the Gakkel Ridge.