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physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > equatorial telescope > Horseshoe equatorial telescope > Nicholas U. Mayall Reflector

Nicholas U. Mayall Reflector (Kitt Peak 4 m)
subject			fact

Nicholas U. Mayall Reflector	has mounting manufacturer Western Gear Corp.
	has longitude 111° 36' W
	has latitude 31° 58' N
	has mirror maker KPNO Optical Shop
	has mirror type Fused-quartz
	has aperture 3.81 m
	has focal ratio f/2.7, 8, 15.7 IR, 190
	has synonym Kitt Peak 4 m
	has altitude 2120 m
	has owner Kitt Peak National Observatory
	has creation date 1973
	has location Kitt Peak, Arizona, US
	is an instance of Ritchey-Chrétien
	is an instance of optical telescope
	is an instance of Horseshoe equatorial telescope
Horseshoe equatorial telescope	has mounting Horseshoe equatorial
Ritchey-Chrétien	has secondary mirror shape convex hyperboloid
	has primary mirror shape concave hyperboloid
	has optical design Ritchey-Chrétien
optical telescope	has optical design
	has reference astroweb
reflector	has mirror diameter equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)
Earth based telescope	has temperature ambient
telescope	has wavelength sensitivity
	has angular resolving power
	has effective diameter
	has operator
	has purpose observe celestial objects
artifact	has creator
physical object	has angular momentum
	has mass
	has velocity
	has momentum
	has volume
	has extent
	has material

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