Tautenburg, 2-m telescope: Coude echelle spectrograph, iodine cell R=67000 467 to 740 nm Mercator, 1.2-m telescope: HERMES, fibre-fed echelle spectrograph, simultaneous ThArNe wavelength reference R=62000 377 to 900 nm NOT, 2.5-m telescope: FIES, fibre-red echelle spectrograph, ThAr wavelength calibration R=67000 370 to 730 nm McDonald, 2.7-m telescope: Coude echelle spectrograph, iodine cell R=60000 376 to 1075 nm