Guided tours take place on request only
If you would like to find out more about our foundation and facilities and experience the fascination of the sky with us, please make an appointment. You can reach us by phone and e-mail, see under contacts on this homepage.
If the weather is suitable, we will then observe with our telescopes, including the T1T, provided it is available for observations.
We offer you free access and do not charge an entrance fee.
Please arrange appointment by emailThe members of the Astronomy Foundation Trebur team work on a voluntary basis.
T1T - The Trebur-1 Meter-Telescope
Mirror diameter: 1,200 mm
Effective focal length: 9,510 mm
Mass of mirror: 480 kg
Total mass of T1T: 7,500 kg
Relative light intensity: approx. 40,000 compared to the human eye