Open Access

Fig. 6.


Rotation of the camera (and chassis) following the telescope elevation (EL). The position of the eight soft rubber pneumatic actuators is shown. Two of them are dedicated to the pulse-tube head. For the six remaining actuators, we indicate (with black arrows) those that are in action for three representative elevation cases.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.