The decreasing length of the day allows us to open the observatory from 7 p.m. on Fridays, weather permitting, from November until the end of February. Special events this month include the occultation of Venus...

After the equinox on 23.09., the length of the nights predominates again. The observatory opens at 8 p.m., weather permitting. As every year, on the last Sunday of the month, this October the...

The nights are now long enough. From now on, the observatory will again be offering public observation evenings on Friday evenings from 9 pm, provided the night sky is cloudless. A ticker on the main page will provide information about the night sky from Friday noon at the latest.

Every year in August, countless shooting stars, the Perseids, can be observed. They get their name from their apparent origin in the direction of the constellation Perseus, which slowly rises above the eastern horizon during the month....

The summer starry sky has arrived. After nightfall, the so-called summer triangle dominates, consisting of the bright stars Vega in Lyra, Deneb in the Swan and the slightly lower star Atair (also known as...

The nights around June 21, when the sun only sets for a short time, i.e. it is still at least twilight or even daylight, are called the White Nights....

Due to the increasing length of the day, the useful observation times during the month of May are reduced from five hours at the beginning to just two hours at the end of the month. This would mean that the start of observations of galaxies...