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physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > equatorial telescope > English equatorial telescope > Hooker Telescope

Hooker Telescope (100 inch)
subject			fact

Hooker Telescope	has comment telescope out of service 1985-92
	has mounting manufacturer FG. Pease and Fore River Shipyards
	has longitude 118° 03' W
	has latitude 34° 13' N
	has mirror maker G.W. Ritchey from Saint-Gobain (Paris)
	has mirror type plate-glass
	has aperture 2.5 m
	has focal ratio f/5, 16, 30
	has synonym 100 inch
	has altitude 1742 m
	has owner Mount Wilson Observatory
	has creation date 1917
	has location Mount Wilson, Calif., US
	is an instance of Cassegrain
	is an instance of optical telescope
	is an instance of English equatorial telescope
English equatorial telescope	has mounting English equatorial
Cassegrain	has secondary mirror shape convex hyperboloid
	has primary mirror shape concave paraboloid
	has optical design Cassegrain
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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