With a load capacity of 500 kg / 1,100 lb., on a custom-built pier, the ASA Direct Drive Mount is ready to carry large aperture telescopes with the highest level of pointing and tracking accuracy.

The ASA DDM500 is the perfect workhorse for all areas of research ranging from astronomical observations to laser communication and satellite tracking

DDM500: Starting at $106,000

• Mount Type: Equatorial (with additional equatorial pier) or Alt-Az (with additional mounting unit)
• Telescope Mounting: Three (3) possible configurations: 1) Single Telescope and counterweights; 2) Multiple telescopes on a tandem bar and counterweights; 2) Two telescopes of similar weight (up to 500 kg) on each side of the mount (no counterweights)
• Motor: ASA Direct Drive with Absolute Encoders
• Latitude Range: 0º to 90º
• Max Load Capacity: 500 kg (1.102 lb.)
• Mount Weight (without counterweights): 281 kg (620 lb.)
• Power Supply Included: 120v / 240v AC to 24v DC
• Software: ASA API available Autumn 2023; ASA Autoslew Software (Sequence-windows based) with ASCOM-Alpaca
• Max Slew Speed: Up to 50º / 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