AZ800 f6.85 - Datasheet

ASA AZ800 Ritchey-Chrétien telescope f6.85


A high-end complete telescope system. AZ800 is a 0.8m (800mm) fully automated observatory telescope system. Ritchey-Chrétien Alt-Az telescope f6.85 f2.5 with Nasmyth focus Direct Drive motors with absolute encoders on all axes. Main Facts 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 Total weight 650kg (1433lbs) Azimuth / altitude range of motion 680 degree / 5-90 degree Software ASA Software package with a platform-independent Ascom Alpaca API (via TCP/IP), compatibility with numerous programs, and many additional API features for: • Creating and optimizing pointing files • MLPT (e.g., usable with a N.I.N.A plugin) • Uploading and tracking TLE and CPF satellite orbits • Orbit corrections when satellite tracking (autoguiding with external CCD cameras) • Focus control also via Ascom Alpaca API • Covers (if installed) via Ascom Alpaca API • Full API control over rotator, Nasmyth port Max. slew speeds Up to 50 degrees per second Pointing Accuracy (20° to 85°) <8” RMS with pointing model Tracking Accuracy (20° to 85° – unguided, with current pointingfile) <0,25” RMS within 5 minutes System Natural Frequency 10 Hz or greater Satellite tracking All sky pointing error (20°-85°) 8” RMS more info

Main Facts