STScI

Preparation of an observation night in time lapse

In our school lab, it is possible to make nocturnal observations of the sky without extensive effort. The telescopes are already completely installed on their mountings under their weather protection cubes and are...

The moon in the smartphone

At our observatory, clever young astronomers appear again and again, who have techniques that the old hands do not have on their screen. One of these colleagues has now shown us what he can do with his smartphone...

Digital positioning

In old times, telescopes were positioned with so-called circular scales, which mapped the celestial coordinate system. The positioning accuracy was increased like a caliper with an angular vernier to then track the...

The darkness returns

The announced electricity price increases seem to be having a positive effect on our evening skies at the moment. Many outdoor lights simply stay off. The darkness of the evening sky, which was already thought to be...