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The Sea Serpent
(Hya)
This constellation meanders its way through a large part of the sky and so has been drawn at a smaller scale than the other maps.
Brightest stars:
______epoch 2000.0______
R Ascension Declination m Spectrum parallax common name
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Alpha 9h 27m 35.2s - 8° 39' 31" 1.98 K3II-III 0.022" Alphard
Gamma 13h 18m 55.3s -23° 10' 18" 3.00 G8-IIIa 0.027"
Zeta 8h 55m 23.6s 5° 56' 44" 3.11 G9II-III 0.035"
Nu 10h 49m 37.5s -16° 11' 37" 3.11 K2III 0.028"
Pi 14h 6m 22.3s -26° 40' 57" 3.27 K2III 0.049"
Epsilon 8h 46m 46.6s 6° 25' 8" 3.38v G5III 0.027"
Xi 11h 33m 0.1s -31° 51' 28" 3.54 G7III 0.027"
Lambda 10h 10m 35.3s -12° 21' 15" 3.61 K0III 0.027"
Mu 10h 26m 5.4s -16° 50' 11" 3.81 K4.5III 0.018"
Theta 9h 14m 21.9s 2° 18' 51" 3.88 B9.5V 0.027"
Iota 9h 39m 51.4s - 1° 8' 34" 3.91 K2.5III 0.026"
Upsilon1 9h 51m 28.7s -14° 50' 48" 4.12 G7III 0.021"
Delta 8h 37m 39.4s 5° 42' 13" 4.16 A1Vn 0.033"
Beta 11h 52m 54.6s -33° 54' 29" 4.28v B9IIIp 0.010"
Eta 8h 43m 13.5s 3° 23' 55" 4.30v B3V
12 8h 46m 22.5s -13° 32' 52" 4.32 G8III 0.013"
Rho 8h 48m 26.0s 5° 50' 16" 4.36 A0Vn 0.014"
58 14h 50m 17.3s -27° 57' 37" 4.41 K4III 0.011"
Sigma 8h 38m 45.4s 3° 20' 29" 4.44 K1III 0.035"
Tau 2 9h 31m 58.9s - 1° 11' 6" 4.57 A3V 0.027"
Upsilon2 10h 5m 7.5s -13° 3' 53" 4.60 B9III-IV
Tau 1 9h 29m 8.9s - 2° 46' 8" 4.60 F6V 0.072"
Omicron 11h 40m 12.8s -34° 44' 41" 4.70 B9V
Deep sky objects:
___epoch 2000.0___ m
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NGC2548 M48 8h 13.6m - 5° 48' 5.5 open cluster
NGC3242 10h 25.0m -18° 38' -- planetary nebula
NGC4590 M68 12h 39.4m -26° 45' 9.0 globular cluster
NGC5236 M83 13h 37.1m -29° 52' 8.5 galaxy
Neighbours: Centaurus - Lupus - Libra -Virgo - Corvus - Crater -Sextans - Leo - Cancer -Monceros - Pyxis - Antlia
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