Clark refractor

GPTKB entity

Statements (58)
Predicate Object
gptkbp:instance_of gptkb:observatory
gptkbp:bfsLayer 5
gptkbp:bfsParent gptkb:Alvan_Clark
gptkbp:associated_with gptkb:Harvard_College_Observatory
gptkb:Alvan_Clark_&_Sons
gptkb:Research_Institute
astronomical discoveries
Harvard astronomers
gptkbp:contributed_to development of modern astronomy
gptkbp:designed_by gptkb:Alvan_Clark
gptkbp:famous_for high-quality images
gptkbp:focus_area 22 feet
18.5 inches
gptkbp:historical_event gptkb:public_outreach
professional astronomy
gptkbp:historical_period gptkb:19th_century
gptkbp:historical_significance one of the largest refracting telescopes
pioneering telescope technology
symbol of 19th-century astronomy
https://www.w3.org/2000/01/rdf-schema#label Clark refractor
gptkbp:influenced gptkb:Research_Institute
amateur astronomy
future telescope designs
gptkbp:influenced_by Alvan Clark's earlier telescopes
gptkbp:is_capable_of deep-sky objects
gptkbp:is_observed_in gptkb:Jupiter
Nebulae
gptkbp:is_used_by gptkb:observatory
gptkbp:is_used_for gptkb:musician
gptkb:observatory
educational demonstrations
planetary observation
gptkbp:launch_date 1861
gptkbp:legacy influenced telescope design
gptkbp:lens_type equatorial mount
gptkbp:lighting 1861
gptkbp:location gptkb:Harvard_College_Observatory
gptkbp:maintenance requires regular upkeep
gptkbp:material gptkb:beer
gptkbp:notable_achievement discovery of new celestial objects
gptkbp:notable_feature high-resolution images
large aperture
precision optics
gptkbp:notable_for gptkb:double_stars
gptkb:Mars
gptkb:Saturn's_rings
comets
star clusters
solar system objects
gptkbp:objective 18.5 inches
gptkbp:owner gptkb:Harvard_University
gptkbp:part_of Harvard Observatory collection
gptkbp:significant_event first public demonstration
gptkbp:type gptkb:musician
gptkbp:type_of achromatic refractor
gptkbp:used_in educational purposes
scientific studies
gptkbp:year 1861