The four large moons of Jupiter regularly cast shadows on their planet during their orbit. Our club member and teacher at the Gesamtschule Waldbröl Günter Dombrowski captured this spectacle with a short image sequence...
14. August 2021
At dizzying heights
Working at the dome slit is not popular in our group. When you are balancing with tools at a height of several meters above our main telescope and actually always lack a hand to hold on to, a certain tension likes to...
14. August 2021
Star trails
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...
25. July 2021
Substation assembly
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...
24. July 2021
