NASA Infrared Telescope Facility
Comparison to contemporaries
Dedicated infrared telescopes require a high and dry location, special instrumentation, and similar high-quality mirrors and optics as for visible wavelength observations.

NASA Infrared Telescope Facility

Section Title: Comparison to contemporaries
Table Section Text: Dedicated infrared telescopes require a high and dry location, special instrumentation, and similar high-quality mirrors and optics as for visible wavelength observations.

#	Name(s) / Observatory	Image	Aperture	Spectrum	Altitude	First Light

1	United Kingdom Infrared Telescope Joint Astronomy Centre	-	380 cm (150 in)	Infrared	4,205 m (13,796 ft)	1979

2	ESO 3.6 m Telescope ESO La Silla Obs.	-	357 cm (141 in)	Visible Infrared	2,400 m (7,874 ft)	1977

3	NASA Infrared Telescope Facility Mauna Kea Observatory	-	300 cm (118 in)	Infrared	4,205 m (13,796 ft)	1979

Sentence(s)

The NASA Infrared Telescope Facility has a 3.0 m (118" aperture).

final_sentence: The NASA Infrared Telescope Facility has a 3.0 m (118" aperture).