Our member Frank Bohlscheid is an experienced astrophotographer and regularly shows what is possible with a small telescope. He uses a Newton telescope with an aperture of 20cm (even smaller than at our school...
14. October 2020
Gas nebula in the summer milky way
The Cocoon Nebula (IC 5146) in the constellation Cygnus (above) has an apparent extension of about 10 arc minutes. This is one third of the diameter of the full moon. It is about 3000 light-years away from Earth, so its...
9. October 2020
Small work – big effort
After the drive units of the large dome were overhauled, we had to seal some joints and ducts. Since these cannot be reached by ladders from the outside, we used a lifting platform and also cleaned the dome from pollen...
12. September 2020
New professional publication with the STScI
Eleven years ago, the STScI, together with professional astronomers, was the main organizer of a long-term observation campaign at the Teide Observatory on Tenerife. At that time we investigated the behaviour of a...
31. August 2020
