| Instruments | Basic characteristics |
|---|---|
| Telescope | 3 m Shane Coude Telescope 0.6 m Coude Auxilliary Telescope |
| HES | Wavelength range: 3,500 10,700 Å Echelle grating CCD detector size: 2,048 × 2,048 pixel Other components: slit, decker, shutter, filter wheel, collimator, cross-dispersing prisms, Schmidt camera |