Optical Ground Station (OGS)

Fully robotic complete system. Delivered within a year, all components manufactured in-house.

ASA OGS - Optical Ground Station

Industrial production for 24/7 applications.



Characteristic features

The only 80 cm turnkey solution worldwide that fits in a 20 feet container.
Ritchey-Chrétien Alt-Az telescope f6 f2.0 with Nasmyth focus.
Direct Drive motors with absolute encoders on all axes.

Main Data  
Focal length 4800 mm
Focal ratio f6
Optical diameter >= 800 mm
Field of View 70 mm
Mirror material Fused Silica (quartz), ultra low thermal expansion 0.55e-6/°C
Software ASA Software, Windows package and Linux SDK (optional)
System Performance  
Pointing accuracy < 8” RMS with pointing model (for altitude 20° to 85°)
Tracking accuracy < 0,25” RMS within 5 minutes (at optimal ambient and sky conditions) over 5 min 0,05” RMS/min
Slewing speed 6°/sec (up to 10°/sec optional)


4800 mm Focal length
f6 Focal ratio
>=800 mm Optical diameter

Basic Equipment

  • ASA AZ800 telescope including fork mount and telescope with ASA optics
  • Telescope electronics rack including all power supplies for telescope, IP-remote power switch, Ethernet switch
  • All tools necessary for telescope installation
  • Laser for optical collimation

Optional Accessories

  • ASA ADR 160 – Derotators
  • ASA filter wheel for 4x 100 x 100 mm filters
  • Customer specific camera adapter
  • Correctors: Field Flattener, Reducers
  • ASA-UPS (uninterruptable power supply)
  • Main mirror cover



seeing is believing.