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Mu Ser

HIP 77516; Mu Ser; 32 Ser DoubleStar Serpens (Ser) Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 3.53
Spectral Type B9.5III
Star Color Blue-white (B-V -0.04)
Distance 170 ly

Position & Identifiers

RA 15h 49m 37.2s
Dec -03° 25' 49.0"
Constellation Serpens (Ser)
HR 5881
HIP 77516
Bayer Mu
Flamsteed 32 Ser

Visibility

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Multiple Star System

Separation 0.5″
Companion Mag 5.4
Position Angle 309°
Star Colors A: Blue-white B: Yellow-white
Discoverer CHR 259

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 309° A (3.5) B (5.4)

Sep: 0.5″ · PA: 309° · N up, E left

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

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