Last update

30.04.2024

This Saturday it's time again. We look forward to welcome you to the ATT 2024 in Essen, Germany and wish you a good and safe journey.

You can now download this year's ground-plan from the visitor page.

Your ATT team of the Walter Hohmann Observatory

ATT 2024 in ESSEN

29.01.2024

The next ATT will take place on May, 4th (!) from 10 to 18 o'clock.

Your ATT team of the Walter Hohmann Observatory

ATT 2023 IN ESSEN

16.05.2023

The ATT 2023 was a complete success! Above all, of course, thanks to you, the numerous visitors from all over Europe. We recorded a significant increase this year. We would also like to explicitly thank the many volunteers! We hope you had a great time at the ATT and we would be delighted to welcome you back to Essen in 2024.

Your ATT team of the Walter Hohmann Observatory

ATT 2023 IN ESSEN
The ATT team of the Walter-Hohmann-Sternwarte e. V. is pleased to announce the date for the next ATT:

May 13, 2023, 10 am to 6 pm at the Gymnasium am Stoppenberg, Essen.

Stay healthy and see you at the next ATT,
Your ATT team from the Walter Hohmann Observatory