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gptkbp:instance_of
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gptkb:astronomy
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gptkbp:accessibility
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public viewing events
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gptkbp:aperture
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26 inches
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gptkbp:associated_with
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astronomical discoveries
historical astronomy
US Naval Observatory history
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gptkbp:collaborated_with
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international observatories
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gptkbp:collaboration
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various astronomical institutions
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gptkbp:collaborative_projects
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gptkb:NASA_missions
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gptkbp:construction_started
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1920s
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gptkbp:contributed_to
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understanding of star formation
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gptkbp:contribution
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stellar parallax measurements
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gptkbp:design
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gptkb:Alvan_Clark_&_Sons
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gptkbp:educational_use
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astronomy education programs
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gptkbp:exhibits
|
astronomical artifacts
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gptkbp:has_ability
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deep-sky observations
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gptkbp:historical_event
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World War II observations
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gptkbp:historical_role
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military astronomy
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gptkbp:historical_significance
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contributed to the field of astronomy.
one of the largest refractors in the US
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|
https://www.w3.org/2000/01/rdf-schema#label
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Naval Observatory 26-inch refractor
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gptkbp:influenced
|
modern telescope technology
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gptkbp:influenced_by
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19th-century telescope design
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gptkbp:instruments
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gptkb:Seimas
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gptkbp:involved_in
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public outreach programs
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gptkbp:is_a_focal_point_for
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20 feet
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gptkbp:legacy
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influential in telescope design
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gptkbp:lighting
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gptkb:1930
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gptkbp:location
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gptkb:United_States_Naval_Observatory
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gptkbp:maintenance
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regularly scheduled
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gptkbp:mounting_options
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equatorial mount
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gptkbp:notable_achievement
|
discovery of variable stars
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gptkbp:notable_contributor
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mapping of the moon
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gptkbp:notable_event
|
public star parties
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gptkbp:notable_feature
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high-quality optics
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gptkbp:notable_for
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supernova events
comet observations
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gptkbp:notable_galaxies
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Flagstaff Station
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gptkbp:notable_users
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astronomers and researchers
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gptkbp:notable_work
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exoplanet studies
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gptkbp:operator
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USNO staff
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gptkbp:owner
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gptkb:United_States_Naval_Observatory
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gptkbp:part_of
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USNO Flagstaff Station
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gptkbp:publications
|
research papers
observational data reports
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gptkbp:renovation
|
2000s
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gptkbp:research_focus
|
planetary science
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gptkbp:resolution
|
0.5 arcseconds per pixel
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gptkbp:type
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gptkb:astronomy
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gptkbp:used_for
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gptkb:astronomy
solar observations
stellar spectroscopy
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gptkbp:used_in
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educational workshops
astrophysics research
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gptkbp:bfsParent
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gptkb:United_States_Naval_Observatory
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gptkbp:bfsLayer
|
5
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