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Imager
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QHY600-L back-illuminated CMOS
(Sony IMX455 chip)
12 Slot FLI CFW3-12 filter wheel (2-inch)
In operation since 2022
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Installed filters:
Johnson BVRIc
Sloan g'r'i'zs
Hα, [N II], [O III], [S II]
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Spectrograph #1
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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
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Technical data:
wavelength range: ~400....700nm
Resolving power: R=λ/Δλ~10,000
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Spectrograph #2
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Baader BACHES spectrograph
cross dispersed Echelle type
Camera: ASI294MM-Pro CMOS (Sony IMX492)
ThAr wavelength lamp
Halogen flatfield lamp
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Technical data:
wavelength range: ~392...800nm
Resolving power: R=λ/Δλ~18,000
Slits: 25x125µm, 50x125µm
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Spectrograph #3
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Shelyak LHIRES III
Long-slit with Littrow optical system
Camera: ASI1600-mm Pro CMOS
(Panasonic MN34230)
in operation since 2020
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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
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