Astronomy   View all facts   Glossary   Help

physical object > artifact > device > instrument > telescope > electromagnetic telescope > Earth based telescope > equatorial telescope > German equatorial telescope > The Thaw Refractor

The Thaw Refractor (30 inch)
subject			fact

The Thaw Refractor	has comment Originally had a Brashear visual objective (1914); present one is corrected for red light
	has mounting manufacturer Warner and Swasey
	has longitude 80° 01' W
	has latitude 40° 29' N
	has lens maker R.E. Sumner
	has optical design Red-light refractor
	has aperture 0.76 m
	has focal ratio f/18.6
	has synonym 30 inch
	has altitude 380 m
	has owner Allegheny Observatory
	has creation date 1985
	has location Pittsburgh, PA, US
	is an instance of refractor
	is an instance of German equatorial telescope
German equatorial telescope	has mounting German equatorial
refractor	has lens type doublet
optical telescope	has reference astroweb
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

Next German equatorial telescope: Thompson Refractor    Up: German equatorial telescope, refractor    Previous German equatorial telescope: Potsdam Refractor