Very massive stars can show a very strong mass loss in the final stage of their evolution. Here large amounts of stellar stellar matter and the core of the formerly massive star is exposed. Such stars are called Wolf...
Of course, there is no objective “right” or “wrong” in this case, but most amateur astronomers know a subjective one. The inclination of the earth’s axis in relation to the sun influences...
Thanks to a substantial public grant, we were able to finance a spectrograph for our large telescope. With this instrument we will be able to perform professional measurements of stars and participate in the search for...
With the instruments of the school observatory, research campaigns can be carried out on a professional level. Our colleague Christoph Quandt from Lübeck has been working on the study of the yellow hypergiant rho...
A week ago, a new supernova, or exploding star, was discovered in the Pinwheel Galaxy, 21 million light-years away. While this event can’t be seen with the naked eye, the equipment in the school lab makes it easy...
We had already feared it – again and again one warned us that our observatory could attract also dubious figures, but we dismissed this again and again as exaggerated fear. Today it happened. The first rocker...
After all the years of construction, we still experience special machines for our work from time to time. A vibrating plate was in our professional use at some point, but not in the fingers of our club members. Simon...
Together with our sponsors and helpers we celebrated the opening of the observatory on May 6. The appreciation of the supporters by our association board (Dr. Thomas Eversberg), greetings from the Oberbergischer Kreis...
Sodium on the sun. Girls Day at STScI on April 27, 2023: At one of the observation stations in the school lab, the young women were able to experience in their own experiment how astrophysicists gain knowledge with the...
We were lucky! We had good weather and so we could not only present our work and the observatory to sixteen guests for Girl’s Day, but also perform several practical experiments and observations. Probably none of...
STScI won a substantial grant for the digitization of the school observatory in a competition organized by the German Foundation for Engagement and Volunteerism (DSEE), which is funded by the German government. Now all...
Welcome to the Girls’Day at April 27 at the school observatory Waldbröl/Schnörringen. The Schnörringen Telescope Science Institute (STScI) operates an observatory for youngsters in Waldbröl with the largest...