gptkbp:instance_of
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gptkb:observatory
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gptkbp:bfsLayer
|
5
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gptkbp:bfsParent
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gptkb:Alvan_Clark
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gptkbp:associated_with
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gptkb:Harvard_College_Observatory
gptkb:Alvan_Clark_&_Sons
gptkb:Research_Institute
astronomical discoveries
Harvard astronomers
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gptkbp:contributed_to
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development of modern astronomy
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gptkbp:designed_by
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gptkb:Alvan_Clark
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gptkbp:famous_for
|
high-quality images
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gptkbp:focus_area
|
22 feet
18.5 inches
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gptkbp:historical_event
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gptkb:public_outreach
professional astronomy
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gptkbp:historical_period
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gptkb:19th_century
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gptkbp:historical_significance
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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
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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
|