Current configuration of the observatoryPlaneWave CDK14 f/7.2 and Takahashi Epsilon 130D f/3.3 mounted on 10 Micron GM2000 HPS II.
The ConstructionThe construction of the 14m² observatory began with a detailed planning, took 5 months and was completed in July 2017. The location is a few kilometres outside of Ansbach, at 420m above sea level, due to the light pollution of the city. The sky brightness is class 4 according to the Bortle scale (SQM-L value Ø 21.0 mag/arcsec²).
A roll-roofed hut was deliberately chosen instead of a dome, as this makes it easier to carry out observation evenings with several people in the open air. For this purpose, the roll-up roof can be pushed open very far towards the east so as not to obstruct the view when it is open. The 2.2-tonne foundation for the sand-filled steel column was built separately from the hut's foundation to prevent vibrations from being transmitted to the telescopes.
Originally, the main telescope was a Celestron 14" EdgeHD f/11, which was replaced by the CDK14 f/7.2 in 2021. More information about the observatory on my website.
Please feel free to ask questions in the comments or via PM.
Clear Skies
Andi
Links:
Sternwarte17:
http://www.sternwarte17.de/Baader Planetarium Telescope Installations:
https://www.baader-planetarium.com/de/mapped-posts/sternwarteninstallationen/#sternwarte-17-andreas-hauf 
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