Two ASA UWF600 on DDM200 Twin
Two UWF600 f1.7 telescopes installed on the DDM200 Twin in Tibet
ASA successfully completed the installation of two UWF600 f1.7 telescopes on the DDM200 Twin mount in Tibet, at an altitude of over 5,000 meters. This project was carried out in collaboration with our valued partner, Science Discovery Co., LTD. The exceptional performance of these telescopes in such a challenging environment is a testament to ASA’s cutting-edge technology. We are excited about the scientific advancements and discoveries that this installation will enable in the future.
Products in use
ASA UWF600_2+
Ultra Wide Field, prime corrector, pier and DDM200 Direct Drive mount as twin
- Optical design: Ultra Wide Field, prime corrector
- Linear central obstruction: 48%
- Focal length: 1018mm
- Focal ratio system: f1.7
- Clear Aperture / Focal Ratio Primary Mirror: 600mm (23.6 inch) / f1.7
- Image field: 88mm (4.73 degrees)
- Mirror material: Fused silica
- Image Quality FWHM: <6um RMS
- Surface quality: >80 strehl
- Microroughness: 1.3nm RMS / <0.7nm Ra
- Coating: Al+SiO2 >96%
- Back Focus from flange: 62.31mm
- Weight tube: 300kg (661lbs) (no camera or filter)
- Motor: ASA Direct Drive
- Latitude Range: 0 to 90 degrees
- Weight mount (without counterweight): 137kg (302lbs) (without counterweight)
- Software: ASA API (application programming interface) available autumn 2024 ASA Software(Autoslew, Sequence-windows based, ACC) with ASCOM-Alpaca
- Max. slew speeds: Up to 50 degrees per second
- Pointing Accuracy (20° to 85°): <8” RMS with pointing model and ASA telescope
- Tracking Accuracy (20° to 85° – unguided, with current pointingfile): <0,25” RMS within 5 minutes
- System Natural Frequency: 10 Hz or greater
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