ASA 0.8-Meter Telescope

Starting at $259,000

The ASA 0.8-Meter Telescope f/6.85 is a fully automated observatory telescope system with a Ritchey-Chrétien optical design. It’s equipped with an Alt-Az mount, Nasmyth focus and ASA Direct Drive motors with absolute encoders on all axes.

ASA 0.8-Meter Telescope

Starting at $259,000

The ASA 0.8-Meter Telescope f/6.85 is a fully automated observatory telescope system with a Ritchey-Chrétien optical design. It’s equipped with an Alt-Az mount, Nasmyth focus and ASA Direct Drive motors with absolute encoders on all axes.

The ASA 0.8-Meter Telescope f/6.85 is a fully automated observatory telescope system with a Ritchey-Chrétien optical design. It’s equipped with an Alt-Az mount, Nasmyth focus and ASA Direct Drive motors with absolute encoders on all axes.

  • Optical Design: Ritchey-Chrétien (RC)
  • Central Obstruction: 41%
  • Focus Position: Nasmyth; 2 as standard; 4 as option
  • Focal Length: 5,480 mm
  • Focal Ratio System: f/6.85
  • Clear Aperture / Focal Ratio Primary Mirror: 800 mm (31.5 inch) / f/2.5
  • Image Field: 120 mm (1.25 degrees)
  • Back Focus from Flange: 252.7 mm
  • Mirror Material: Fused Silica
  • Surface Quality: <94 Strehl
  • Micro-roughness: 1nm RMS / <0.7nm Ra
  • Coating: Al+SiO2 >96%
  • Tube Weight: 800 kg (1,763.7 lb.)
  • Azimuth / Altitude Range: 680º/ 5º to 90º
  • Software: ASA API (application programming interface) available Autumn 2023. ASA Software (Autoslew, Sequence-windows based) with ASCOM-Alpaca.
  • Max. Slew Speed: Up to 50 degrees per second
  • Pointing Accuracy (20° to 85°): <8” RMS with pointing model and ASA telescope
  • 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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