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physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > equatorial telescope > Fork equatorial telescope > Oschin 48-inch Telescope

Oschin 48-inch Telescope (Oschin Schmidt)
subject			fact

Oschin 48-inch Telescope	has comment a new achromatic corrector plate (Grubb-Parsons) was installed in about 1984
	has mounting manufacturer California Institute of Technology
	has longitude 116° 51' W
	has latitude 33° 21' N
	has mirror maker Don O. Hendrix
	has mirror diameter 1.83 m
	has aperture 1.24 m
	has focal ratio f/2.47
	has synonym Oschin Schmidt
	has altitude 1706 m
	has owner Palomar Observatory
	has creation date 1948
	has location Palomar Mountain, Calif., US
	is an instance of Schmidt
	is an instance of Fork equatorial telescope
Fork equatorial telescope	has mounting equatorial fork
Schmidt	has secondary mirror shape none
	has primary mirror shape concave spheroid
	has optical design Schmidt
reflector	has mirror type material and other engineering details
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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