IRTF

IRTF (Infrared Telescope Facility, NASA Infrared Telescope Facility, NASA IRTF) is a 3-meter infrared telescope in Mauna Kea, Hawaii operated by the University of Hawaii for NASA. It went into service in 1979. Instruments:

• SpeX - medium-resolution spectrograph.
• iShell - high resolution spectrograph.
• MIRSI - mid infrared spectrometer and imager.
• MOC - MIRSI optical camera.
• MORIS - visible light camera for photometry and for guiding SpeX.

Retired:

• CSHELL - high resolution spectrograph.
• NSFCam2 - 1-5 μm camera.

Planned:

• SPECTRE - integral field unit (IFU).