Nu Cyg

HIP 103413; Nu Cyg; 58 Cyg DoubleStar Cyg Visible Level 5 Expert level - Requires steady seeing

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Physical Properties

Magnitude 3.94

Spectral Type A0IIIn

Star Color White (B-V 0.02)

Distance 373.8 ly

Position & Identifiers

RA 20h 57m 10.4s

Dec +41° 10' 02.0"

Constellation Cyg

HR 8028

HIP 103413

Bayer Nu

Flamsteed 58 Cyg

Visibility

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Multiple Star System

Separation 0.1″

Companion Mag 6.4

Position Angle 176°

Star Colors A: White

Discoverer HDS2986

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.1″ · PA: 176° · N up, E left

Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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Survey Image

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