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gptkbp:instance_of
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gptkb:astronomy
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gptkbp:aperture
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15 inches
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gptkbp:associated_with
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gptkb:Russian_Academy_of_Sciences
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gptkbp:constructed_in
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gptkb:Joseph_von_Fraunhofer
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gptkbp:contributed_to
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stellar cartography
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gptkbp:discovery
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various celestial objects
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gptkbp:field_of_study
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astrophysics
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gptkbp:historical_event
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used during the Great Meridian Circle observations
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gptkbp:historical_significance
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one of the largest refractors of its time
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|
https://www.w3.org/2000/01/rdf-schema#label
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Pulkovo 15-inch refractor
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gptkbp:influenced_by
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advancements in optics
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gptkbp:is_a_focal_point_for
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approximately 20 feet
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gptkbp:lighting
|
1839
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gptkbp:location
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gptkb:Pulkovo_Observatory
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gptkbp:maintenance
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ongoing since installation
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gptkbp:mounting_options
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equatorial mount
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gptkbp:notable_for
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gptkb:double_stars
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gptkbp:notable_galaxies
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gptkb:Pulkovo_Observatory
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gptkbp:renovation
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completed in the 20th century
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gptkbp:research
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gptkb:spectroscopy
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gptkbp:type
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gptkb:astronomy
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gptkbp:used_by
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gptkb:astronomy
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gptkbp:used_for
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gptkb:astronomy
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gptkbp:bfsParent
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gptkb:Pulkovo_Observatory
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gptkbp:bfsLayer
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7
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