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...
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 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...
In August, we held a beginners’ course for interested teachers in our school lab. The first goal was the basic operation of the instruments. This included telescope control, taking color images with a digital...
