Big 1m telescope for House of Nature, Austria

ASA EQ1000 in Salzburg (Austria)

The ‘Haus der Natur’ operates one of the most powerful public observatories in Europe on Haunsberg, just outside the city of Salzburg. The VEGA observatory ‘Haus der Natur’ is a platform for science, education, culture and society. In contrast to pure research observatories, the focus is not only on scientific demands, but also on communication and social mission. With this objective, the ‘Haus der Natur’ would like to inspire as many people as possible for astronomy and space research and promote the discussion of these topics in society.

The observatory has two powerful telescopes from ASA, one of them is the ASA EQ1000.


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ASA EQ1000 in Salzburg (Austria)


The telescope is to be used for

  • a project on asteroid and minor planet research.
  • school groups or students. Here, for example, spectroscopic measurements are to be carried out or the presence of certain chemical elements on a celestial body, the temperature of a star’s atmosphere or the rotational speed of planets measured.
  • excellent astrophotographers and public telescopic star tours.

Our Solution

THE ASA EQ1000, a 1 m equatorial telescope:

  • Direct Drive motors
  • All axis with absolute encoder
  • Unguided blind tracking performance
  • Derotator with encoder system

VEGA Report


Products in use

ASA EQ1000 f6.76

1000mm Ritchey-Chrétien equatorial telescope f6.76 f2

  • Optical design: Ritchey-Chrétien RC
  • Linear central obstruction: 35%
  • Focus position: Cassegrain
  • Focal length: 6760mm
  • Focal ratio system: f6.76
  • Clear Aperture / Focal Ratio Primary Mirror: 1000mm / f2
  • Image field: 150mm (1.27 degrees)
  • Mirror material: Fused silica
  • Surface quality: >94 strehl
  • Microroughness: 1nm RMS / <0.7nm Ra
  • Coating: Al+SiO2 >91%
  • Back Focus from flange: 316.61mm
  • Weight tube: 2100kg (4630 lbs)
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