Instruments in operation:

Imager

QHY600-L back-illuminated CMOS (Sony IMX455 chip)
12 Slot FLI CFW3-12 filter wheel (2-inch)

In operation since 2022

Installed filters:
Johnson BVRIc
Sloan g'r'i'zs
Hα, [N II], [O III], [S II]

Spectrograph #1

Shelyak eShel spectrograph
Cross dispersed Echelle
Camera: QSI-660 CMOS (Sony ICX 694)
fiber-fed
ThAr wavelength lamp
Tungsten+LED flatfield lamp

In operation since 2010

Technical data:
wavelength range: ~400....700nm
Resolving power: R=λ/Δλ~10,000

Spectrograph #2

Baader BACHES spectrograph
cross dispersed Echelle type
Camera: ASI294MM-Pro CMOS (Sony IMX492)
ThAr wavelength lamp
Halogen flatfield lamp

Technical data: 
wavelength range: ~392...800nm
Resolving power: R=λ/Δλ~18,000
Slits: 25x125µm, 50x125µm

Spectrograph #3

Shelyak LHIRES III
Long-slit with Littrow optical system
Camera: ASI1600-mm Pro CMOS
               (Panasonic MN34230)

in operation since 2020

Technical data: 
wavelength range: ~400...700nm
Resolving power: R~700 with grating 150 and small slit
     .... x2, x4, x16 with other gratings
Available gratings: 2400, 600, 300, 150 lines/mm

Available slits:

• long slit standard: 19, 50, 75, and 100µm widths;
• photometric:  23x200µm, 27x250µm, 31x300µm and 35x350µm