The University of Bonn team displays the world’s largest shutter in
front of the Schmidt telescope dome of the “Hoher List” Observatory.
Members of the team are (from left to right) Franz-Josef Willems
(mechanics) Philipp Müller (electronics design, head of the electronics
lab) Martin Polder (mechanical design, head of the workshop) Klaus Reif
(project management, head of the instrumentation group). Credit:
Argelander-Institut für Astronomie der Universität Bonn.