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HIP 99968

HIP 99968 DoubleStar Cygnus (Cyg) Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.24
Spectral Type K3.5IIab-IIb
Star Color Red (B-V 1.65)
Distance 815 ly

Position & Identifiers

RA 20h 16m 55.3s
Dec +40° 21' 54.0"
Constellation Cygnus (Cyg)
HR 7759
HIP 99968
Double Cat 13640

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 12.3″
Companion Mag 11.5
Position Angle 69°
Star Colors A: Red
Discoverer BU 661

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 69° A (5.2) B (11.5)

Sep: 12.3″ · PA: 69° · N up, E left

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

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