William Herschel's 40-foot telescope

URI: https://gptkb.org/entity/William_Herschel%27s_40-foot_telescope
GPTKB entity
Statements (28)
Predicate Object
gptkbp:instance_of gptkb:astronomy
gptkbp:associated_with gptkb:Royal_Astronomical_Society
gptkbp:completed 1789
gptkbp:constructed_in copper and wood
gptkbp:defeated 1840
gptkbp:designed_by gptkb:William_Herschel
gptkbp:focal_ratio f/10
gptkbp:height 13.7 meters
https://www.w3.org/2000/01/rdf-schema#label William Herschel's 40-foot telescope
gptkbp:influenced future telescope designs
gptkbp:inspired Herschel's later work
gptkbp:is_a_focal_point_for 12.2 meters
gptkbp:is_observed_in gptkb:double_stars
gptkb:Uranus
nebulae
gptkbp:is_reflected_in 1.2 meters
gptkbp:lighting 1789
gptkbp:location gptkb:Slough,_England
gptkbp:notable_for being the largest telescope of its time
gptkbp:operated_by gptkb:William_Herschel
gptkbp:replaced_by larger telescopes
gptkbp:significance advancement of observational astronomy
gptkbp:type reflecting telescope
gptkbp:used_for gptkb:astronomy
gptkbp:used_in public demonstrations
gptkbp:weight approximately 3 tons
gptkbp:bfsParent gptkb:Herschel_telescope
gptkbp:bfsLayer 5