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DIRN Observatory | Hans-Heinrich Wenk's observatory located at 1000 m above sea level with unobstructed view across Kalkalpen National Park |
Gaisberg Observatory | Richard Gierlinger designs and manufactures high precision telescopes and telescop mounts |
Best description of an OPFM (Austrian Precision Telescop Mount) I ever found. This page is a real treasure chest! | |
Heidenhain GmbH | Measurement and Control Technology for Demanding Positioning Tasks |
PD DDr. Thomas Posch | Thomas Posch is astronomer at the university of vienna and an expert with profound knowlede about light pollution (Das Ende der Nacht). |
Sonderloesungen Wenk | H.-H. Wenk's german IT-site |