75 Dra
HIP 100965; 75 Dra
DoubleStar
Draco
(Dra)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.46
Spectral Type
G9III
Star Color
Orange
(B-V 1.02)
Distance
272 ly
Position & Identifiers
RA
20h 28m 14.6s
Dec
+81° 25' 22.0"
Constellation
Draco
(Dra)
HR
7901
HIP
100965
Flamsteed
75 Dra
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
109.5″
Companion Mag
11.3
Position Angle
11°
Star Colors
A: Orange
Discoverer
BUP 211
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 109.5″ · PA: 11° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Size Comparison
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Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
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