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Delta Hya

HIP 42313; Delta Hya; 4 Hya DoubleStar Hydra (Hya) Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 4.16
Spectral Type A1Vnn
Star Color White (B-V 0.00)
Distance 99 ly

Position & Identifiers

RA 08h 37m 39.4s
Dec +05° 42' 13.0"
Constellation Hydra (Hya)
HR 3410
HIP 42313
Bayer Delta
Flamsteed 4 Hya

Visibility

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Multiple Star System

Separation 2.7″
Companion Mag 10.7
Position Angle 263°
Star Colors A: White
Discoverer DRS 9

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 263° A (4.2) B (10.7)

Sep: 2.7″ · PA: 263° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″

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