Imager

QHY600-L back-illuminated CMOS CCD

(Sony IMX455 chip)

12 Slot FLI CFW3-12 filter wheel (2-inch)

In operation since 2022

Installed filters:

Johnson BVRI_c

Sloan g'r'i'z_s

H_α, NII, OIII, SII

Spectrograph #1

Shelyak eShel spectrograph

Echelle-type

QSI-660 CMOS CCD (Sony ICX 694 chip)

fiber-fed

ThAr wavelength lamp

Tungsten/LED flatfield lamp

in operation since 2010

Technical data:

λ range: ~400....700nm

Resolving power: R~10,000

Spectrograph #2

Baader BACHES spectrograph

Echelle type

ASI294MM-Pro CMOS CCD

(Sony IMX492 detector)

ThAr wavelength lamp

Halogen flatfield lamp

currently being commissioned

Technical data: 

λ range: ~392...800nm

Resolving power: up to R~18,000

Slits: 25x125µm, 50x125µm

Spectrograph #3

Shelyak LHIRES III

Long-slit

ASI1600-mm Pro CMOS CCD

(Panasonic MN34230 chip)

in operation since 2020

Technical data: 

λ range: ~400...700nm

Resolving power: R~700.... several thousands (depending on the grating)

Available gratings: 2400, 600, 300, 150 lines/mm

Available slits:

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