
ASA H400 on DDM500
ASA telescope at Australia
ASA H400 on ASA DDM50 mount, made up of two identical arrays on opposite sides of the planet, will track down sources of gravitational waves.
The Gravitational-wave Optical Transient Observer (GOTO), led by the University of Warwick, will use the ASA H400 to help shepherd in a new era of gravitational wave science.
ASA telescope at Australia

ASA Impressions
Products in use
ASA H400 f2.4
Lightweight and compact with 0,4m aperture
- Optical design: Hyperbolic
- Linear central obstruction: 45%
- Focal length: 960mm
- Focal ratio system: f2.4
- Clear Aperture / Focal Ratio Primary Mirror: 400mm (15.7 inch) / f3
- Image field: 70mm (4.2 degrees)
- Mirror material: Fused silica
- Surface quality: >94 strehl
- Microroughness: 1nm RMS / <0.7nm Ra
- Coating: Al+SiO2 >96 %
- Back Focus from flange: 91.56mm
- Weight tube: 57kg / 126lbs
