If one points a fixed camera at the sky and leaves the shutter open, the rotating earth causes star trails in the image because of the long exposure. The length of these trails depends on the exposure time. This image...
The “foundation stones” for our secondary station in the student laboratory in the form of a row of bricks are bricked and the telescope foundation with the telescope column are concreted. Soon a wooden...
Almost exactly two years after the first “wedding” between our main telescope and the dome building, we could celebrate the second “wedding” between the main telescope and its optics. This...
On Thursday, June 10, 2021, an annular solar eclipse took place over the north polar region, which could be observed here as a partial solar eclipse. Around noon, the moon covered up to a maximum of 13% of the solar...
