The Dumbbell Nebula M 27 is a planetary nebula. The classification planetary refers to the time of the discovery of the planet Uranus, as the shape of some nebulae are similar to planets and were mostly classified as...
13. September 2024
GC-heat Social Day for the observatory
For several years now, the Cologne Chamber of Industry and Commerce has held an annual Trainee Social Day. On these days, trainees from participating companies get involved in a “good cause”. The commitment is very...
12. September 2024
A new milestone
We normally work on technical challenges whose solutions usually run in the background. This is also the case with the construction of our large telescope, which places very high demands on the accuracy of its...
29. August 2024
First public observation day
After some interested persons had contacted us via our website for observations, we now used the good weather for an open observation day. We were able to welcome around 30 visitors. As the sun is at its maximum...
10. August 2024
