Observatory Zimmerwald, Switzerland

Assembled and put to operation within 6 hours!

ASA Astrosysteme Austria delivered to observatory Zimmerwald in Bern, Switzerland the most recent version. The first ASA AZ800 of the latest generation! The customer, the Astronomical Institute of the University of Bern is one of the world’s successful stations in satellite ranging and space debris detection. ASA staff and AIUB crew assembled the telescope and put it to operation within 6 hours.

Used Products

Assembled and put to operation within 6 hours!

Products in use

ASA AZ800 f6.85

A high-end complete telescope system with 0.8m aperture

  • Optical design: Ritchey-Chrétien RC
  • Linear central obstruction: 41%
  • Focus position: Nasmyth 2 as standard, 4 as option
  • Focal length: 5480mm
  • Focal ratio system: f6.85
  • Clear Aperture / Focal Ratio Primary Mirror: 800mm (31,5 inch) / f2.5
  • Image field: 120mm (1.25 degrees)
  • Mirror material: Fused silica
  • Surface quality: >94 strehl
  • Microroughness: 1nm RMS / <0.7nm Ra
  • Coating: Al+SiO2 >96 %
  • Back Focus from flange: 252.7mm
  • Weight tube: 800 kg (1763.7 lbs)
  • Azimuth / altitude range of motion: 680 degree / 5-90 degree
  • Software: ASA API (application programming interface) available autumn 2024 ASA Software(Autoslew, Sequence-windows based, ACC) with ASCOM-Alpaca
  • Max. slew speeds: Up to 50 degrees per second
  • Pointing Accuracy (20° to 85°): <8” RMS with pointing model
  • Tracking Accuracy (20° to 85°): <0,25” RMS within 5 minutes tracking time over 5 min 0,05” RMS/min
  • System Natural Frequency: 10 Hz or greater
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