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Fully automated observation with an 1.5m telescope

Fully automated observation

Project for Research Infrastructure 2020-2027

The ASA AZ1500 telescope, with a 1.5 m aperture, was built by ASA Astrosysteme GmbH under a project funded by the National Roadmap for Research Infrastructure 2020-2027, coordinated by the Ministry of Education and Science.

Observations with the new facility will be fully automated and without the presence of an operator. The optical system of the telescope itself, consisting of three mirrors with a very precise computerized telescope-pointing system, guarantees diffraction-limited performance and does not require further adjustments.

Used product

Products in use

ASA AZ1500 f6

An evolution milestone of high-end telescope systems (1.5m aperture)

  • Optical design: Ritchey-Chrétien RC
  • Linear central obstruction: 43%
  • Focus position: Nasmyth 2 as standard, 4 as option
  • Focal ratio system: f6
  • Clear Aperture / Focal Ratio Primary Mirror: 1500mm (59,1 inch) / f2
  • Image field: 200mm (1.27 degrees)
  • Mirror material: Zerodur
  • Surface quality: >94 strehl
  • Microroughness: 1nm RMS / <0.7nm Ra
  • Coating: Al+SiO2 >91%
  • Back Focus from flange: 513mm
  • Weight tube: 5000kg (11023lbs)
  • Software: ASA API (application programming interface) available autumn 2024 ASA Software(Autoslew, Sequence-windows based, ACC) with ASCOM-Alpaca
  • 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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