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physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > altazimuth telescope > Bol'shoi Teleskop Azimutal'nyi

Bol'shoi Teleskop Azimutal'nyi (6 m)
subject			fact

Bol'shoi Teleskop Azimutal'nyi	has comment Primary mirror replaced in about 1984, and a third made of Sitall glass was figured in 1992
	has mounting manufacturer LOMO
	has longitude 41° 26'E
	has latitude 43° 39' N
	has mirror maker LOMO
	has mirror type Sitall glass
	has aperture 6.00 m
	has focal ratio f/4, 30
	has synonym 6 m
	has altitude 2100 m
	has owner Special Astrophysical Obs.
	has creation date 1975
	has location Mount Pastukhov, Russia
	is an instance of Ritchey-Chrétien
	is an instance of optical telescope
	is an instance of altazimuth telescope
altazimuth telescope	has mounting altazimuth
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
Earth based telescope	has temperature ambient
reflector	has mirror diameter equal to aperture (except for Schmidt which has aperture smaller than mirror diameter)
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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