STScI

Heavy metal positioning

In order for a telescope to accurately correct for the Earth’s rotation and accurately track objects in the sky, its polar axis must be aligned exactly parallel to the Earth’s axis of rotation. To achieve...

Heavy metal in motion

The digital controller, its software and new encoders for our large telescope have now arrived from the USA. We will not only be able to control the telescope but also to completely compensate for structural mechanical...

Digital cameras

Our colleagues Sophia, Katharina and Lucia have tested all our CCD cameras today. This includes shots that provide the pixel noise and give information about the quality of the readout electronics. Other shots provide...