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gptkbp:instance_of
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gptkb:constellation
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gptkbp:abbreviation
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Hya
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gptkbp:area
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243 square degrees
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gptkbp:atmosphere
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gptkb:NGC_2442
gptkb:NGC_2022
gptkb:NGC_2462
gptkb:NGC_1514
gptkb:NGC_2438
gptkb:NGC_2441
gptkb:NGC_2443
gptkb:NGC_2444
gptkb:NGC_2445
gptkb:NGC_2446
gptkb:NGC_2447
gptkb:NGC_2448
gptkb:NGC_2449
gptkb:NGC_2450
gptkb:NGC_2455
gptkb:NGC_2456
gptkb:NGC_2457
gptkb:NGC_2440
gptkb:NGC_2451
gptkb:NGC_2452
gptkb:NGC_2453
gptkb:NGC_2454
gptkb:NGC_2458
gptkb:NGC_2459
gptkb:NGC_2460
gptkb:NGC_2461
gptkb:NGC_2463
gptkb:NGC_2464
gptkb:NGC_2465
gptkb:NGC_2466
gptkb:NGC_2467
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gptkbp:constellation
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gptkb:Carina
gptkb:Pictor
gptkb:Reticulum
gptkb:Octans
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gptkbp:contains
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the star Alpha Hydri
the star Beta Hydri
the star Gamma Hydri
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gptkbp:contains_star
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gptkb:Alpha_Hydri
gptkb:Beta_Hydri
gptkb:Delta_Hydri
gptkb:Gamma_Hydri
approximately 50
Chi Hydri
Epsilon Hydri
Eta Hydri
Iota Hydri
Kappa Hydri
Lambda Hydri
Mu Hydri
Nu Hydri
Omega Hydri
Omicron Hydri
Phi Hydri
Pi Hydri
Psi Hydri
Rho Hydri
Sigma Hydri
Tau Hydri
Theta Hydri
Upsilon Hydri
Xi Hydri
Zeta Hydri
the stars of magnitude 6.5 or fainter.
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gptkbp:first_appearance
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16th century
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gptkbp:has_area
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243 square degrees
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gptkbp:has_historical_significance
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used for navigation by sailors.
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https://www.w3.org/2000/01/rdf-schema#label
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Hydrus
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gptkbp:included
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star charts.
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gptkbp:introduced_in
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gptkb:Nicolas_Louis_de_Lacaille
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gptkbp:is_adjacent_to
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gptkb:Carina
gptkb:Apus
gptkb:Pictor
gptkb:Reticulum
gptkb:Volans
gptkb:Octans
gptkb:Centaurus
gptkb:Vela
gptkb:Lupus
gptkb:Mensa
gptkb:Phoenix
gptkb:Indus
gptkb:Scorpius
gptkb:Columba
gptkb:Grus
gptkb:Circinus
gptkb:Dorado
gptkb:Ara
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gptkbp:is_associated_with
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the mythology of water.
the southern cross.
the water snake in mythology.
various star clusters.
water themes in mythology.
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gptkbp:is_home_to
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several deep-sky objects.
several variable stars.
the Hydrus constellation.
the Hydrus globular cluster.
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gptkbp:is_known_for
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its unique shape.
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gptkbp:is_located_in
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southern celestial hemisphere
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gptkbp:is_mentioned_in
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various astronomical texts.
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gptkbp:is_notable_for
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its faintness.
its faint stars.
its lack of bright stars.
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gptkbp:is_part_of
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gptkb:the_Milky_Way
the celestial sphere.
the southern sky.
the 88 modern constellations.
the celestial navigation.
the modern constellation system.
the southern constellations.
the southern sky constellations.
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gptkbp:is_recognized_by
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gptkb:IAU
amateur astronomers.
the International Astronomical Union.
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gptkbp:is_represented_in
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a water snake.
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gptkbp:is_studied_for
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its star formation.
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gptkbp:is_studied_in
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astronomy.
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gptkbp:is_used_in
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astrophotography.
constellation identification.
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gptkbp:is_visible_from
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gptkb:April
gptkb:August
gptkb:December
gptkb:February
gptkb:June
gptkb:May
gptkb:November
gptkb:October
gptkb:March
January
July
September
southern latitudes
northern latitudes
clear nights.
southern hemisphere.
the southern hemisphere sky.
the tropics.
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gptkbp:mythology
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gptkb:none
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gptkbp:named_after
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the 18th century.
the water snake
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gptkbp:notable_person
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gptkb:Beta_Hydri
gptkb:Delta_Hydri
gptkb:Gamma_Hydri
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gptkbp:produced
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Hydri
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gptkbp:bfsParent
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gptkb:chamois
gptkb:Argo
gptkb:sculpture
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gptkbp:bfsLayer
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4
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